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Parent(s):
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Browse files- README.md +45 -0
- data/pdbbind_with_contacts.parquet +3 -0
- pdbbind.ipynb +783 -0
- pdbbind.py +108 -0
- pdbbind.slurm +9 -0
- protein_ligand_contacts.py +130 -0
README.md
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---
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tags:
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- molecules
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- chemistry
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- SMILES
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---
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## How to use the data sets
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This dataset contains more than 16,000 unique pairs of protein sequences and ligand SMILES with experimentally determined
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binding affinities and protein-ligand contacts (ligand atom/SMILES token vs. Calpha within 5 Angstrom). These
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are represented by a list that contains the positions of non-zero elements of the flattened, sparse (2048,512)
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sequence x smiles tokens matrix.
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It can be used for fine-tuning a language model.
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The data solely uses data from PDBind-cn.
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### Use the already preprocessed data
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Load a test/train split using
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```
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from datasets import load_dataset
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train = load_dataset("jglaser/protein_ligand_contacts",split='train[:90%]')
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validation = load_dataset("jglaser/protein_lgiand_contacts",split='train[90%:]')
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```
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### Pre-process yourself
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To manually perform the preprocessing, download the data sets from P.DBBind-cn
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Register for an account at <https://www.pdbbind.org.cn/>, confirm the validation
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email, then login and download
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- the Index files (1)
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- the general protein-ligand complexes (2)
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- the refined protein-ligand complexes (3)
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Extract those files in `pdbbind/data`
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Run the script `pdbbind.py` in a compute job on an MPI-enabled cluster
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(e.g., `mpirun -n 64 pdbbind.py`).
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Perform the steps in the notebook `pdbbind.ipynb`
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data/pdbbind_with_contacts.parquet
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version https://git-lfs.github.com/spec/v1
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oid sha256:f12e5a389dad93a0f2a2f5505fb6cacb12cc224047b87b0f2fa6d79084653567
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size 16032905
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pdbbind.ipynb
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{
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"cells": [
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+
{
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"cell_type": "markdown",
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5 |
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"id": "834aeced-c3c5-42a0-bad1-41e009dd86ee",
|
6 |
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"metadata": {},
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"source": [
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"### Preprocessing"
|
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]
|
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},
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{
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"cell_type": "code",
|
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"execution_count": 1,
|
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"id": "86476f6e-802a-463b-a1b0-2ae228bb92af",
|
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"metadata": {},
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"outputs": [],
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"source": [
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"import pandas as pd"
|
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]
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},
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{
|
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"cell_type": "code",
|
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"execution_count": 2,
|
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"id": "9b2be11c-f4bb-4107-af49-abd78052afcf",
|
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"metadata": {},
|
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"outputs": [],
|
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"source": [
|
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"df = pd.read_table('data/pdbbind/index/INDEX_general_PL_data.2020',skiprows=4,sep=r'\\s+',usecols=[0,4]).drop(0)\n",
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"df = df.rename(columns={'#': 'name','release': 'affinity'})\n",
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"df_refined = pd.read_table('data/pdbbind/index/INDEX_refined_data.2020',skiprows=4,sep=r'\\s+',usecols=[0,4]).drop(0)\n",
|
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"df_refined = df_refined.rename(columns={'#': 'name','release': 'affinity'})\n",
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"df = pd.concat([df,df_refined])"
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]
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},
|
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{
|
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+
"cell_type": "code",
|
37 |
+
"execution_count": 3,
|
38 |
+
"id": "68983ab8-bf11-4ed6-ba06-f962dbdc077e",
|
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"metadata": {},
|
40 |
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"outputs": [],
|
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"source": [
|
42 |
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"quantities = ['ki','kd','ka','k1/2','kb','ic50','ec50']"
|
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]
|
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},
|
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{
|
46 |
+
"cell_type": "code",
|
47 |
+
"execution_count": 4,
|
48 |
+
"id": "3acbca3c-9c0b-43a1-a45e-331bf153bcfa",
|
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"metadata": {},
|
50 |
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"outputs": [],
|
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"source": [
|
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"from pint import UnitRegistry\n",
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"ureg = UnitRegistry()\n",
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"\n",
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"def to_uM(affinity):\n",
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" val = ureg(affinity)\n",
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" try:\n",
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" return val.m_as(ureg.uM)\n",
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" except Exception:\n",
|
60 |
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" pass\n",
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" \n",
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" try:\n",
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63 |
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" return 1/val.m_as(1/ureg.uM)\n",
|
64 |
+
" except Exception:\n",
|
65 |
+
" pass"
|
66 |
+
]
|
67 |
+
},
|
68 |
+
{
|
69 |
+
"cell_type": "code",
|
70 |
+
"execution_count": 5,
|
71 |
+
"id": "58e5748b-2cea-43ff-ab51-85a5021bd50b",
|
72 |
+
"metadata": {},
|
73 |
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"outputs": [],
|
74 |
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"source": [
|
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"df['affinity_uM'] = df['affinity'].str.split('[=\\~><]').str[1].apply(to_uM)\n",
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"df['affinity_quantity'] = df['affinity'].str.split('[=\\~><]').str[0]"
|
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]
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},
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{
|
80 |
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"cell_type": "code",
|
81 |
+
"execution_count": 6,
|
82 |
+
"id": "d92f0004-68c1-4487-94b9-56b4fd598de4",
|
83 |
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"metadata": {},
|
84 |
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"outputs": [
|
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+
{
|
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"data": {
|
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"text/plain": [
|
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"<AxesSubplot:>"
|
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+
]
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90 |
+
},
|
91 |
+
"execution_count": 6,
|
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"metadata": {},
|
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"output_type": "execute_result"
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},
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{
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"data": {
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+
"image/png": 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],
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"source": [
|
109 |
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"df['affinity_quantity'].hist()"
|
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]
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},
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{
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"source": [
|
119 |
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"df_filter = df[df['affinity_quantity'].str.lower().isin(quantities)]"
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"metadata": {},
|
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"outputs": [],
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"source": [
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"df_complex = pd.read_parquet('data/pdbbind_complex.parquet')"
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]
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},
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{
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"metadata": {},
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137 |
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"outputs": [],
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"source": [
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139 |
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"import dask.array as da\n",
|
140 |
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"import dask.dataframe as dd\n",
|
141 |
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"from dask.bag import from_delayed\n",
|
142 |
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"from dask import delayed\n",
|
143 |
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"import pyarrow as pa\n",
|
144 |
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"import pyarrow.parquet as pq"
|
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]
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},
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{
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"id": "cd26125b-e68b-4fa3-846e-2b6e7f635fe0",
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151 |
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"metadata": {},
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152 |
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"outputs": [],
|
153 |
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"source": [
|
154 |
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"contacts_dask = da.from_npy_stack('data/pdbbind_contacts')\n",
|
155 |
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"contacts_dask = contacts_dask.reshape(-1,contacts_dask.shape[-2]*contacts_dask.shape[-1])"
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" <td>2lbv</td>\n",
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" name seq \\\n",
|
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"0 2lbv MTVPDRSEIAGKWYVVALASNTEFFLREKDKMKMAMARISFLGEDE... \n",
|
228 |
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"1 1lt6 APQTITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGE... \n",
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" smiles \n",
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"0 CCCCCCCCCCCCCCCCCCCC(=O)O \n",
|
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|
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"3 COC1C(O)C(n2ccc(=O)[nH]c2=O)OC1C(OC1OC(C(=O)NC... \n",
|
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"4 CC1(C)Cc2ccccc2C(NC(Cc2ccccc2)C(=O)O)=N1 "
|
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"source": [
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|
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|
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"id": "9c7c9849-2345-4baf-89e7-d412f52353b6",
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396 |
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397 |
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405 |
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" <th>4</th>\n",
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" <td>4i11</td>\n",
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" name seq \\\n",
|
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"0 2lbv MTVPDRSEIAGKWYVVALASNTEFFLREKDKMKMAMARISFLGEDE... \n",
|
437 |
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"1 1lt6 APQTITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGE... \n",
|
438 |
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|
439 |
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|
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|
441 |
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|
443 |
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|
444 |
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|
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446 |
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|
447 |
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"4 CC1(C)Cc2ccccc2C(NC(Cc2ccccc2)C(=O)O)=N1 \n",
|
448 |
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|
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|
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"source": [
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"outputs": [],
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"source": [
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483 |
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"ddf_all = ddf.merge(df_filter, on='name').drop(columns=['affinity','affinity_quantity'],axis=1)"
|
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]
|
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},
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{
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"metadata": {},
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"outputs": [],
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"source": [
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]
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"metadata": {},
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"outputs": [],
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"source": [
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"df_all_contacts['neg_log10_affinity_M'] = 6-np.log10(df_all_contacts['affinity_uM'])"
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],
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"source": [
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"from sklearn.preprocessing import StandardScaler\n",
|
525 |
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"scaler = StandardScaler()\n",
|
526 |
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"df_all_contacts['affinity'] = scaler.fit_transform(df_all_contacts['neg_log10_affinity_M'].values.reshape(-1,1))\n",
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"source": [
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"source": [
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"df_all = df_complex.merge(df_filter,on='name').drop('affinity',axis=1)"
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598 |
+
" <td>500.000</td>\n",
|
599 |
+
" <td>IC50</td>\n",
|
600 |
+
" </tr>\n",
|
601 |
+
" <tr>\n",
|
602 |
+
" <th>2</th>\n",
|
603 |
+
" <td>4lwi</td>\n",
|
604 |
+
" <td>VETFAFQAEIAQLMSLIINTFYSNKEIFLRELISNSSDALDKIRYE...</td>\n",
|
605 |
+
" <td>COc1ccc(-c2c(-c3cc(C(C)C)c(O)cc3O)noc2NC(=O)C2...</td>\n",
|
606 |
+
" <td>0.023</td>\n",
|
607 |
+
" <td>IC50</td>\n",
|
608 |
+
" </tr>\n",
|
609 |
+
" <tr>\n",
|
610 |
+
" <th>3</th>\n",
|
611 |
+
" <td>6oyz</td>\n",
|
612 |
+
" <td>VQLQESGGGLVQTGGSLTLSCATSGRSFSLYAMAWFRQAPGKEREF...</td>\n",
|
613 |
+
" <td>COC1C(O)C(n2ccc(=O)[nH]c2=O)OC1C(OC1OC(C(=O)NC...</td>\n",
|
614 |
+
" <td>0.185</td>\n",
|
615 |
+
" <td>IC50</td>\n",
|
616 |
+
" </tr>\n",
|
617 |
+
" <tr>\n",
|
618 |
+
" <th>4</th>\n",
|
619 |
+
" <td>4i11</td>\n",
|
620 |
+
" <td>GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGA...</td>\n",
|
621 |
+
" <td>CC1(C)Cc2ccccc2C(NC(Cc2ccccc2)C(=O)O)=N1</td>\n",
|
622 |
+
" <td>27.200</td>\n",
|
623 |
+
" <td>IC50</td>\n",
|
624 |
+
" </tr>\n",
|
625 |
+
" <tr>\n",
|
626 |
+
" <th>...</th>\n",
|
627 |
+
" <td>...</td>\n",
|
628 |
+
" <td>...</td>\n",
|
629 |
+
" <td>...</td>\n",
|
630 |
+
" <td>...</td>\n",
|
631 |
+
" <td>...</td>\n",
|
632 |
+
" </tr>\n",
|
633 |
+
" <tr>\n",
|
634 |
+
" <th>20822</th>\n",
|
635 |
+
" <td>2bok</td>\n",
|
636 |
+
" <td>IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQ...</td>\n",
|
637 |
+
" <td>C[N+](C)(C)CCCN1C(=O)C2C(C1=O)C(c1ccc(C(=N)N)c...</td>\n",
|
638 |
+
" <td>0.280</td>\n",
|
639 |
+
" <td>Ki</td>\n",
|
640 |
+
" </tr>\n",
|
641 |
+
" <tr>\n",
|
642 |
+
" <th>20823</th>\n",
|
643 |
+
" <td>4j46</td>\n",
|
644 |
+
" <td>GTIYPRNPAMYSEEARLKSFQNWPDYAHLTPRELASAGLYYTGIGD...</td>\n",
|
645 |
+
" <td>CCC(C)C(NC(=O)C1CCCN1C(=O)C(NC(=O)C(C)[NH3+])C...</td>\n",
|
646 |
+
" <td>5.240</td>\n",
|
647 |
+
" <td>Ki</td>\n",
|
648 |
+
" </tr>\n",
|
649 |
+
" <tr>\n",
|
650 |
+
" <th>20824</th>\n",
|
651 |
+
" <td>4j46</td>\n",
|
652 |
+
" <td>GTIYPRNPAMYSEEARLKSFQNWPDYAHLTPRELASAGLYYTGIGD...</td>\n",
|
653 |
+
" <td>CCC(C)C(NC(=O)C1CCCN1C(=O)C(NC(=O)C(C)[NH3+])C...</td>\n",
|
654 |
+
" <td>5.240</td>\n",
|
655 |
+
" <td>Ki</td>\n",
|
656 |
+
" </tr>\n",
|
657 |
+
" <tr>\n",
|
658 |
+
" <th>20825</th>\n",
|
659 |
+
" <td>2c80</td>\n",
|
660 |
+
" <td>DHIKVIYFNGRGRAESIRMTLVAAGVNYEDERISFQDWPKIKPTIP...</td>\n",
|
661 |
+
" <td>CCCCCCSCC(NC(=O)CCC([NH3+])C(=O)O)C(=O)NCC(=O)O</td>\n",
|
662 |
+
" <td>4.700</td>\n",
|
663 |
+
" <td>Kd</td>\n",
|
664 |
+
" </tr>\n",
|
665 |
+
" <tr>\n",
|
666 |
+
" <th>20826</th>\n",
|
667 |
+
" <td>2c80</td>\n",
|
668 |
+
" <td>DHIKVIYFNGRGRAESIRMTLVAAGVNYEDERISFQDWPKIKPTIP...</td>\n",
|
669 |
+
" <td>CCCCCCSCC(NC(=O)CCC([NH3+])C(=O)O)C(=O)NCC(=O)O</td>\n",
|
670 |
+
" <td>4.700</td>\n",
|
671 |
+
" <td>Kd</td>\n",
|
672 |
+
" </tr>\n",
|
673 |
+
" </tbody>\n",
|
674 |
+
"</table>\n",
|
675 |
+
"<p>20827 rows × 5 columns</p>\n",
|
676 |
+
"</div>"
|
677 |
+
],
|
678 |
+
"text/plain": [
|
679 |
+
" name seq \\\n",
|
680 |
+
"0 2lbv MTVPDRSEIAGKWYVVALASNTEFFLREKDKMKMAMARISFLGEDE... \n",
|
681 |
+
"1 1lt6 APQTITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGE... \n",
|
682 |
+
"2 4lwi VETFAFQAEIAQLMSLIINTFYSNKEIFLRELISNSSDALDKIRYE... \n",
|
683 |
+
"3 6oyz VQLQESGGGLVQTGGSLTLSCATSGRSFSLYAMAWFRQAPGKEREF... \n",
|
684 |
+
"4 4i11 GSFVEMVDNLRGKSGQGYYVEMTVGSPPQTLNILVDTGSSNFAVGA... \n",
|
685 |
+
"... ... ... \n",
|
686 |
+
"20822 2bok IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQ... \n",
|
687 |
+
"20823 4j46 GTIYPRNPAMYSEEARLKSFQNWPDYAHLTPRELASAGLYYTGIGD... \n",
|
688 |
+
"20824 4j46 GTIYPRNPAMYSEEARLKSFQNWPDYAHLTPRELASAGLYYTGIGD... \n",
|
689 |
+
"20825 2c80 DHIKVIYFNGRGRAESIRMTLVAAGVNYEDERISFQDWPKIKPTIP... \n",
|
690 |
+
"20826 2c80 DHIKVIYFNGRGRAESIRMTLVAAGVNYEDERISFQDWPKIKPTIP... \n",
|
691 |
+
"\n",
|
692 |
+
" smiles affinity_uM \\\n",
|
693 |
+
"0 CCCCCCCCCCCCCCCCCCCC(=O)O 0.026 \n",
|
694 |
+
"1 O=[N+]([O-])c1cccc(OC2OC(CO)C(O)C(O)C2O)c1 500.000 \n",
|
695 |
+
"2 COc1ccc(-c2c(-c3cc(C(C)C)c(O)cc3O)noc2NC(=O)C2... 0.023 \n",
|
696 |
+
"3 COC1C(O)C(n2ccc(=O)[nH]c2=O)OC1C(OC1OC(C(=O)NC... 0.185 \n",
|
697 |
+
"4 CC1(C)Cc2ccccc2C(NC(Cc2ccccc2)C(=O)O)=N1 27.200 \n",
|
698 |
+
"... ... ... \n",
|
699 |
+
"20822 C[N+](C)(C)CCCN1C(=O)C2C(C1=O)C(c1ccc(C(=N)N)c... 0.280 \n",
|
700 |
+
"20823 CCC(C)C(NC(=O)C1CCCN1C(=O)C(NC(=O)C(C)[NH3+])C... 5.240 \n",
|
701 |
+
"20824 CCC(C)C(NC(=O)C1CCCN1C(=O)C(NC(=O)C(C)[NH3+])C... 5.240 \n",
|
702 |
+
"20825 CCCCCCSCC(NC(=O)CCC([NH3+])C(=O)O)C(=O)NCC(=O)O 4.700 \n",
|
703 |
+
"20826 CCCCCCSCC(NC(=O)CCC([NH3+])C(=O)O)C(=O)NCC(=O)O 4.700 \n",
|
704 |
+
"\n",
|
705 |
+
" affinity_quantity \n",
|
706 |
+
"0 Kd \n",
|
707 |
+
"1 IC50 \n",
|
708 |
+
"2 IC50 \n",
|
709 |
+
"3 IC50 \n",
|
710 |
+
"4 IC50 \n",
|
711 |
+
"... ... \n",
|
712 |
+
"20822 Ki \n",
|
713 |
+
"20823 Ki \n",
|
714 |
+
"20824 Ki \n",
|
715 |
+
"20825 Kd \n",
|
716 |
+
"20826 Kd \n",
|
717 |
+
"\n",
|
718 |
+
"[20827 rows x 5 columns]"
|
719 |
+
]
|
720 |
+
},
|
721 |
+
"execution_count": 128,
|
722 |
+
"metadata": {},
|
723 |
+
"output_type": "execute_result"
|
724 |
+
}
|
725 |
+
],
|
726 |
+
"source": [
|
727 |
+
"df_all"
|
728 |
+
]
|
729 |
+
},
|
730 |
+
{
|
731 |
+
"cell_type": "code",
|
732 |
+
"execution_count": 14,
|
733 |
+
"id": "8f75499c-8895-4395-867e-7d9a9d394910",
|
734 |
+
"metadata": {},
|
735 |
+
"outputs": [],
|
736 |
+
"source": [
|
737 |
+
"df_all.to_parquet('data/pdbbind.parquet')"
|
738 |
+
]
|
739 |
+
},
|
740 |
+
{
|
741 |
+
"cell_type": "code",
|
742 |
+
"execution_count": 15,
|
743 |
+
"id": "0af83f72-5bf6-4643-aa0e-0a94d51e7da7",
|
744 |
+
"metadata": {},
|
745 |
+
"outputs": [
|
746 |
+
{
|
747 |
+
"data": {
|
748 |
+
"text/plain": [
|
749 |
+
"20827"
|
750 |
+
]
|
751 |
+
},
|
752 |
+
"execution_count": 15,
|
753 |
+
"metadata": {},
|
754 |
+
"output_type": "execute_result"
|
755 |
+
}
|
756 |
+
],
|
757 |
+
"source": [
|
758 |
+
"len(df_all)"
|
759 |
+
]
|
760 |
+
}
|
761 |
+
],
|
762 |
+
"metadata": {
|
763 |
+
"kernelspec": {
|
764 |
+
"display_name": "Python 3 (ipykernel)",
|
765 |
+
"language": "python",
|
766 |
+
"name": "python3"
|
767 |
+
},
|
768 |
+
"language_info": {
|
769 |
+
"codemirror_mode": {
|
770 |
+
"name": "ipython",
|
771 |
+
"version": 3
|
772 |
+
},
|
773 |
+
"file_extension": ".py",
|
774 |
+
"mimetype": "text/x-python",
|
775 |
+
"name": "python",
|
776 |
+
"nbconvert_exporter": "python",
|
777 |
+
"pygments_lexer": "ipython3",
|
778 |
+
"version": "3.9.6"
|
779 |
+
}
|
780 |
+
},
|
781 |
+
"nbformat": 4,
|
782 |
+
"nbformat_minor": 5
|
783 |
+
}
|
pdbbind.py
ADDED
@@ -0,0 +1,108 @@
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
from mpi4py import MPI
|
2 |
+
from mpi4py.futures import MPICommExecutor
|
3 |
+
|
4 |
+
import warnings
|
5 |
+
from Bio.PDB import PDBParser, PPBuilder, CaPPBuilder
|
6 |
+
from Bio.PDB.NeighborSearch import NeighborSearch
|
7 |
+
from Bio.PDB.Selection import unfold_entities
|
8 |
+
|
9 |
+
import numpy as np
|
10 |
+
import dask.array as da
|
11 |
+
|
12 |
+
from rdkit import Chem
|
13 |
+
|
14 |
+
import os
|
15 |
+
import re
|
16 |
+
|
17 |
+
# all punctuation
|
18 |
+
punctuation_regex = r"""(\(|\)|\.|=|#|-|\+|\\|\/|:|~|@|\?|>>?|\*|\$|\%[0-9]{2}|[0-9])"""
|
19 |
+
|
20 |
+
# tokenization regex (Schwaller)
|
21 |
+
molecule_regex = r"""(\[[^\]]+]|Br?|Cl?|N|O|S|P|F|I|b|c|n|o|s|p|\(|\)|\.|=|#|-|\+|\\|\/|:|~|@|\?|>>?|\*|\$|\%[0-9]{2}|[0-9])"""
|
22 |
+
|
23 |
+
cutoff = 5
|
24 |
+
max_seq = 2048
|
25 |
+
max_smiles = 512
|
26 |
+
chunk_size = '1G'
|
27 |
+
|
28 |
+
def parse_complex(fn):
|
29 |
+
try:
|
30 |
+
name = os.path.basename(fn)
|
31 |
+
|
32 |
+
# parse protein sequence and coordinates
|
33 |
+
parser = PDBParser()
|
34 |
+
with warnings.catch_warnings():
|
35 |
+
warnings.simplefilter("ignore")
|
36 |
+
structure = parser.get_structure('protein',fn+'/'+name+'_protein.pdb')
|
37 |
+
|
38 |
+
# ppb = PPBuilder()
|
39 |
+
ppb = CaPPBuilder()
|
40 |
+
seq = []
|
41 |
+
for pp in ppb.build_peptides(structure):
|
42 |
+
seq.append(str(pp.get_sequence()))
|
43 |
+
seq = ''.join(seq)
|
44 |
+
|
45 |
+
# parse ligand, convert to SMILES and map atoms
|
46 |
+
suppl = Chem.SDMolSupplier(fn+'/'+name+'_ligand.sdf')
|
47 |
+
mol = next(suppl)
|
48 |
+
smi = Chem.MolToSmiles(mol)
|
49 |
+
|
50 |
+
# position of atoms in SMILES (not counting punctuation)
|
51 |
+
atom_order = mol.GetProp("_smilesAtomOutputOrder")
|
52 |
+
atom_order = [int(s) for s in list(filter(None,re.sub(r'[\[\]]','',mol.GetProp("_smilesAtomOutputOrder")).split(',')))]
|
53 |
+
|
54 |
+
# tokenize the SMILES
|
55 |
+
tokens = list(filter(None, re.split(molecule_regex, smi)))
|
56 |
+
|
57 |
+
# remove punctuation
|
58 |
+
masked_tokens = [re.sub(punctuation_regex,'',s) for s in tokens]
|
59 |
+
|
60 |
+
k = 0
|
61 |
+
token_pos = []
|
62 |
+
token_id = []
|
63 |
+
for i,token in enumerate(masked_tokens):
|
64 |
+
if token != '':
|
65 |
+
token_pos.append(tuple(mol.GetConformer().GetAtomPosition(atom_order[k])))
|
66 |
+
token_id.append(i)
|
67 |
+
k += 1
|
68 |
+
|
69 |
+
# query protein for ligand contacts
|
70 |
+
atoms = unfold_entities(structure, 'A')
|
71 |
+
neighbor_search = NeighborSearch(atoms)
|
72 |
+
|
73 |
+
close_residues = [neighbor_search.search(center=t, level='R', radius=cutoff) for t in token_pos]
|
74 |
+
residue_id = [[c.get_id()[1]-1 for c in query] for query in close_residues] # zero-based
|
75 |
+
|
76 |
+
# contact map
|
77 |
+
contact_map = np.zeros((max_seq, max_smiles),dtype=np.float32)
|
78 |
+
|
79 |
+
for query,t in zip(residue_id,token_id):
|
80 |
+
for r in query:
|
81 |
+
contact_map[r,t] = 1
|
82 |
+
|
83 |
+
return name, seq, smi, contact_map
|
84 |
+
except Exception as e:
|
85 |
+
print(e)
|
86 |
+
return None
|
87 |
+
|
88 |
+
|
89 |
+
if __name__ == '__main__':
|
90 |
+
import glob
|
91 |
+
|
92 |
+
filenames = glob.glob('data/pdbbind/v2020-other-PL/*')
|
93 |
+
filenames.extend(glob.glob('data/pdbbind/refined-set/*'))
|
94 |
+
comm = MPI.COMM_WORLD
|
95 |
+
with MPICommExecutor(comm, root=0) as executor:
|
96 |
+
if executor is not None:
|
97 |
+
result = executor.map(parse_complex, filenames)
|
98 |
+
result = list(result)
|
99 |
+
names = [r[0] for r in result if r is not None]
|
100 |
+
seqs = [r[1] for r in result if r is not None]
|
101 |
+
all_smiles = [r[2] for r in result if r is not None]
|
102 |
+
all_contacts = [r[3] for r in result if r is not None]
|
103 |
+
|
104 |
+
import pandas as pd
|
105 |
+
df = pd.DataFrame({'name': names, 'seq': seqs, 'smiles': all_smiles})
|
106 |
+
all_contacts = da.from_array(all_contacts, chunks=chunk_size)
|
107 |
+
da.to_npy_stack('data/pdbbind_contacts/', all_contacts)
|
108 |
+
df.to_parquet('data/pdbbind_complex.parquet')
|
pdbbind.slurm
ADDED
@@ -0,0 +1,9 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
#!/bin/bash
|
2 |
+
#SBATCH -J preprocess_pdbbind
|
3 |
+
#SBATCH -p gpu
|
4 |
+
#SBATCH -A STF006
|
5 |
+
#SBATCH -t 3:00:00
|
6 |
+
#SBATCH -N 2
|
7 |
+
#SBATCH --ntasks-per-node=16
|
8 |
+
|
9 |
+
srun python pdbbind.py
|
protein_ligand_contacts.py
ADDED
@@ -0,0 +1,130 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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1 |
+
# coding=utf-8
|
2 |
+
# Copyright 2020 The HuggingFace Datasets Authors and the current dataset script contributor.
|
3 |
+
#
|
4 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
5 |
+
# you may not use this file except in compliance with the License.
|
6 |
+
# You may obtain a copy of the License at
|
7 |
+
#
|
8 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
9 |
+
#
|
10 |
+
# Unless required by applicable law or agreed to in writing, software
|
11 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
12 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
13 |
+
# See the License for the specific language governing permissions and
|
14 |
+
# limitations under the License.
|
15 |
+
"""TODO: A dataset of protein sequences, ligand SMILES, binding affinities and contacts."""
|
16 |
+
|
17 |
+
import huggingface_hub
|
18 |
+
import os
|
19 |
+
import pyarrow.parquet as pq
|
20 |
+
import datasets
|
21 |
+
|
22 |
+
|
23 |
+
# TODO: Add BibTeX citation
|
24 |
+
# Find for instance the citation on arxiv or on the dataset repo/website
|
25 |
+
_CITATION = """\
|
26 |
+
@InProceedings{huggingface:dataset,
|
27 |
+
title = {jglaser/protein_ligand_contacts},
|
28 |
+
author={Jens Glaser, ORNL
|
29 |
+
},
|
30 |
+
year={2022}
|
31 |
+
}
|
32 |
+
"""
|
33 |
+
|
34 |
+
# TODO: Add description of the dataset here
|
35 |
+
# You can copy an official description
|
36 |
+
_DESCRIPTION = """\
|
37 |
+
A dataset to fine-tune language models on protein-ligand binding affinity and contact prediction.
|
38 |
+
"""
|
39 |
+
|
40 |
+
# TODO: Add a link to an official homepage for the dataset here
|
41 |
+
_HOMEPAGE = ""
|
42 |
+
|
43 |
+
# TODO: Add the licence for the dataset here if you can find it
|
44 |
+
_LICENSE = "BSD two-clause"
|
45 |
+
|
46 |
+
# TODO: Add link to the official dataset URLs here
|
47 |
+
# The HuggingFace dataset library don't host the datasets but only point to the original files
|
48 |
+
# This can be an arbitrary nested dict/list of URLs (see below in `_split_generators` method)
|
49 |
+
_URL = "https://huggingface.co/datasets/jglaser/protein_ligand_contacts/resolve/main/"
|
50 |
+
_data_dir = "data/"
|
51 |
+
_file_names = {'default': _data_dir+'pddbind_contacts.parquet'}
|
52 |
+
|
53 |
+
_URLs = {name: _URL+_file_names[name] for name in _file_names}
|
54 |
+
|
55 |
+
|
56 |
+
# TODO: Name of the dataset usually match the script name with CamelCase instead of snake_case
|
57 |
+
class BindingAffinity(datasets.ArrowBasedBuilder):
|
58 |
+
"""List of protein sequences, ligand SMILES and binding affinities."""
|
59 |
+
|
60 |
+
VERSION = datasets.Version("1.4.1")
|
61 |
+
|
62 |
+
def _info(self):
|
63 |
+
# TODO: This method specifies the datasets.DatasetInfo object which contains informations and typings for the dataset
|
64 |
+
#if self.config.name == "first_domain": # This is the name of the configuration selected in BUILDER_CONFIGS above
|
65 |
+
# features = datasets.Features(
|
66 |
+
# {
|
67 |
+
# "sentence": datasets.Value("string"),
|
68 |
+
# "option1": datasets.Value("string"),
|
69 |
+
# "answer": datasets.Value("string")
|
70 |
+
# # These are the features of your dataset like images, labels ...
|
71 |
+
# }
|
72 |
+
# )
|
73 |
+
#else: # This is an example to show how to have different features for "first_domain" and "second_domain"
|
74 |
+
features = datasets.Features(
|
75 |
+
{
|
76 |
+
"seq": datasets.Value("string"),
|
77 |
+
"smiles": datasets.Value("string"),
|
78 |
+
"affinity_uM": datasets.Value("float"),
|
79 |
+
"neg_log10_affinity_M": datasets.Value("float"),
|
80 |
+
"affinity": datasets.Value("float"),
|
81 |
+
"contacts": datasets.Sequence('int'),
|
82 |
+
# These are the features of your dataset like images, labels ...
|
83 |
+
}
|
84 |
+
)
|
85 |
+
return datasets.DatasetInfo(
|
86 |
+
# This is the description that will appear on the datasets page.
|
87 |
+
description=_DESCRIPTION,
|
88 |
+
# This defines the different columns of the dataset and their types
|
89 |
+
features=features, # Here we define them above because they are different between the two configurations
|
90 |
+
# If there's a common (input, target) tuple from the features,
|
91 |
+
# specify them here. They'll be used if as_supervised=True in
|
92 |
+
# builder.as_dataset.
|
93 |
+
supervised_keys=None,
|
94 |
+
# Homepage of the dataset for documentation
|
95 |
+
homepage=_HOMEPAGE,
|
96 |
+
# License for the dataset if available
|
97 |
+
license=_LICENSE,
|
98 |
+
# Citation for the dataset
|
99 |
+
citation=_CITATION,
|
100 |
+
)
|
101 |
+
|
102 |
+
def _split_generators(self, dl_manager):
|
103 |
+
"""Returns SplitGenerators."""
|
104 |
+
# TODO: This method is tasked with downloading/extracting the data and defining the splits depending on the configuration
|
105 |
+
# If several configurations are possible (listed in BUILDER_CONFIGS), the configuration selected by the user is in self.config.name
|
106 |
+
|
107 |
+
# dl_manager is a datasets.download.DownloadManager that can be used to download and extract URLs
|
108 |
+
# It can accept any type or nested list/dict and will give back the same structure with the url replaced with path to local files.
|
109 |
+
# By default the archives will be extracted and a path to a cached folder where they are extracted is returned instead of the archive
|
110 |
+
files = dl_manager.download_and_extract(_URLs)
|
111 |
+
|
112 |
+
return [
|
113 |
+
datasets.SplitGenerator(
|
114 |
+
# These kwargs will be passed to _generate_examples
|
115 |
+
name=datasets.Split.TRAIN,
|
116 |
+
gen_kwargs={
|
117 |
+
'filepath': files["default"],
|
118 |
+
},
|
119 |
+
),
|
120 |
+
|
121 |
+
]
|
122 |
+
|
123 |
+
def _generate_tables(
|
124 |
+
self, filepath
|
125 |
+
):
|
126 |
+
from pyarrow import fs
|
127 |
+
local = fs.LocalFileSystem()
|
128 |
+
|
129 |
+
for i, f in enumerate([filepath]):
|
130 |
+
yield i, pq.read_table(f,filesystem=local)
|