## Endpoint to Predict
- Endpoint scope: assay
- Measurement type: IC50
- Label type: continuous
- Binary semantics: pchembl
- Assay description: Antiviral activity against ENF-resistant HIV1 NL4-3 harboring gp41 N-terminal heptad repeat Q40H mutant infected in human TZM-bl cells assessed as inhibition of viral entry into cells after 48 hrs by single-cycle infection assay
- Assay organism: Human immunodeficiency virus 1
- Assay cell type: TZM-bl
- 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(C)=O)[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](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](Cc1ccccc1)C(N)=O
- Properties:
- ChEMBL ID: CHEMBL525076
- Preferred name: ENFUVIRTIDE
- Molecule type: Protein
- Max clinical phase: 4
- Molecular weight: 4491.94
- Heavy atoms: 319
- Hydrogen bond donors: 63
- Hydrogen bond acceptors: 60
- TPSA: 1902.89
- LogP: -15.38
- Rotatable bonds: 151
- Ring count: 9
- Aromatic rings: 9
- Formal charge: 0
- Fraction Csp3: 0.56
- QED: 0.02

## Known Reference Result on This Endpoint
- Molecule A clean result: median pChEMBL = 5.84
- This result is provided as context for predicting Molecule B on the same endpoint.

## Reference Molecule A Other ChEMBL Evidence
- type IC50; relation =; value 1454.2; units nM; pChEMBL 5.84

## Query Molecule B
- Canonical SMILES: CC[C@H](C)[C@H](NC(=O)[C@H](C)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](C)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@@H](NC(=O)[C@@H](N)[C@@H](C)O)[C@@H](C)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(=O)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](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)O)[C@@H](C)CC)[C@@H](C)CC
- Properties:
- ChEMBL ID: CHEMBL428607
- Molecule type: Protein
- Molecular weight: 4415.9
- Heavy atoms: 312
- Hydrogen bond donors: 69
- Hydrogen bond acceptors: 59
- TPSA: 1976.67
- LogP: -17.65
- Rotatable bonds: 149
- Ring count: 5
- Aromatic rings: 5
- Formal charge: 0
- Fraction Csp3: 0.61
- QED: 0.01

## Molecule Similarity
- Weighted Tanimoto: 0.7

Answer: 8.85