## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: EC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Anti-HIV-1 activity against clinical isolate HIV1 BZ167/GS010 (B, X4) assessed as inhibition of infection in human CEMx174 5.25M7 cells expressing CCR5/CXCR4 by measuring P24 antigen after 6 days by ELISA
- Assay organism: Human immunodeficiency virus 1
- Assay cell type: CEMx174 5.25M7
- Target name: Human immunodeficiency virus 1
- Target type: ORGANISM
- Target organism: Human immunodeficiency virus 1

## Reference Molecule A
- Canonical SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCSC)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(C)=O)[C@@H](C)CC)[C@@H](C)O)[C@@H](C)CC)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCNC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)c1ccc(CC2CCN(CCCN(C(=O)C3CCN(C(C)=O)CC3)c3ccc(C)c(Cl)c3)CC2)cc1)C(N)=O
- Properties:
- ChEMBL ID: CHEMBL5078769
- Molecule type: Unknown
- Molecular weight: 5553.68
- Heavy atoms: 390
- Hydrogen bond donors: 66
- Hydrogen bond acceptors: 78
- TPSA: 2166.86
- LogP: -14.06
- Rotatable bonds: 203
- Ring count: 10
- Aromatic rings: 8
- Formal charge: 0
- Fraction Csp3: 0.62
- QED: 0.01

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 8.49
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type EC50; relation =; value 3.2; units nM; pChEMBL 8.49

## Query Molecule B
- Canonical SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCSC)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(C)=O)[C@@H](C)CC)[C@@H](C)O)[C@@H](C)CC)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(N)=O
- Properties:
- ChEMBL ID: CHEMBL2380932
- Molecule type: Protein
- Molecular weight: 4289.67
- Heavy atoms: 302
- Hydrogen bond donors: 63
- Hydrogen bond acceptors: 60
- TPSA: 1924.94
- LogP: -18.75
- Rotatable bonds: 148
- Ring count: 6
- Aromatic rings: 6
- Formal charge: 0
- Fraction Csp3: 0.59
- QED: 0.01

## Molecule Similarity
- Weighted Tanimoto: 0.68

Answer: 7.66