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import os | |
import shutil | |
import argparse | |
from diffab.tools.dock.hdock import HDockAntibody | |
from diffab.tools.runner.design_for_pdb import args_factory, design_for_pdb | |
def main(): | |
parser = argparse.ArgumentParser() | |
parser.add_argument('--antigen', type=str, required=True) | |
parser.add_argument('--antibody', type=str, default='./data/examples/3QHF_Fv.pdb') | |
parser.add_argument('--heavy', type=str, default='H', help='Chain id of the heavy chain.') | |
parser.add_argument('--light', type=str, default='L', help='Chain id of the light chain.') | |
parser.add_argument('--hdock_bin', type=str, default='./bin/hdock') | |
parser.add_argument('--createpl_bin', type=str, default='./bin/createpl') | |
parser.add_argument('-n', '--num_docks', type=int, default=10) | |
parser.add_argument('-c', '--config', type=str, default='./configs/test/codesign_single.yml') | |
parser.add_argument('-o', '--out_root', type=str, default='./results') | |
parser.add_argument('-t', '--tag', type=str, default='') | |
parser.add_argument('-s', '--seed', type=int, default=None) | |
parser.add_argument('-d', '--device', type=str, default='cuda') | |
parser.add_argument('-b', '--batch_size', type=int, default=16) | |
args = parser.parse_args() | |
hdock_missing = [] | |
if not os.path.exists(args.hdock_bin): | |
hdock_missing.append(args.hdock_bin) | |
if not os.path.exists(args.createpl_bin): | |
hdock_missing.append(args.createpl_bin) | |
if len(hdock_missing) > 0: | |
print("[WARNING] The following HDOCK applications are missing:") | |
for f in hdock_missing: | |
print(f" > {f}") | |
print("Please download HDOCK from http://huanglab.phys.hust.edu.cn/software/hdocklite/ " | |
"and put `hdock` and `createpl` to the above path.") | |
exit() | |
antigen_name = os.path.basename(os.path.splitext(args.antigen)[0]) | |
docked_pdb_dir = os.path.join(os.path.splitext(args.antigen)[0] + '_dock') | |
os.makedirs(docked_pdb_dir, exist_ok=True) | |
docked_pdb_paths = [] | |
for fname in os.listdir(docked_pdb_dir): | |
if fname.endswith('.pdb'): | |
docked_pdb_paths.append(os.path.join(docked_pdb_dir, fname)) | |
if len(docked_pdb_paths) < args.num_docks: | |
with HDockAntibody() as dock_session: | |
dock_session.set_antigen(args.antigen) | |
dock_session.set_antibody(args.antibody) | |
docked_tmp_paths = dock_session.dock() | |
for i, tmp_path in enumerate(docked_tmp_paths[:args.num_docks]): | |
dest_path = os.path.join(docked_pdb_dir, f"{antigen_name}_Ab_{i:04d}.pdb") | |
shutil.copyfile(tmp_path, dest_path) | |
print(f'[INFO] Copy {tmp_path} -> {dest_path}') | |
docked_pdb_paths.append(dest_path) | |
for pdb_path in docked_pdb_paths: | |
current_args = vars(args) | |
current_args['tag'] += antigen_name | |
design_args = args_factory( | |
pdb_path = pdb_path, | |
**current_args, | |
) | |
design_for_pdb(design_args) | |
if __name__ == '__main__': | |
main() | |