Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
3D complex viewer
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising
SASA cached
Promising and worth follow-up
Binding strong
Geometry high
Native strong
SASA done
Strain ΔE
10.3 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.88, Jaccard 0.88, H-bond role recall 0.50
Reason: no major geometry red flags detected
2 protein-contact clashes
46% of hydrophobic surface appears solvent-exposed (6/13 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Promising
Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.441 kcal/mol/HA)
✓ Good fit quality (FQ -12.51)
✓ Strong H-bond network (12 bonds)
✓ Deep burial (74% SASA buried)
✗ Moderate strain (10.3 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (7)
Score
-31.700
kcal/mol
LE
-1.441
kcal/mol/HA
Fit Quality
-12.51
FQ (Leeson)
HAC
22
heavy atoms
MW
316
Da
LogP
1.69
cLogP
Interaction summary
HB 12
HY 5
PI 4
CLASH 2
⚠ Exposure 46%
Interaction summary
HB 12
HY 5
PI 4
CLASH 2
⚠ Exposure 46%
Partial hydrophobic solvent exposure
46% of hydrophobic surface appears solvent-exposed (6/13 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 13
Buried (contacted) 7
Exposed 6
LogP 1.69
H-bonds 12
Exposed fragments:
phenyl (6/6 atoms exposed)
| Final rank | 3.528 | Score | -31.700 |
|---|---|---|---|
| Inter norm | -1.351 | Intra norm | -0.090 |
| Top1000 | no | Excluded | no |
| Contacts | 14 | H-bonds | 12 |
| Artifact reason | geometry warning; 7 clashes; 2 protein clashes | ||
| Residues |
ARG140
ARG144
ASN106
HIS105
HIS141
ARG46
CYS72
GLY73
GLY77
HIS14
ILE15
ILE76
SER74
TYR49
| ||
Protein summary
302 residues
| Protein target | T12 | Atoms | 4598 |
|---|---|---|---|
| Residues | 302 | Chains | 2 |
| Residue summary | ARG:576; ILE:456; VAL:448; GLU:360; ALA:340; LEU:304; TYR:252; HIS:204; PRO:196; THR:196; GLY:182; LYS:176; ASP:168; PHE:160; MET:153; SER:121 | ||
Receptor context
1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1
Excluded HETATM 0
Kept cofactors / ions
A:CSD72
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 6FXS | Contacts | 16 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG140
ARG144
ASN106
HIS105
HIS141
ARG46
ASP13
CYS72
GLY73
GLY75
GLY77
HIS14
ILE15
ILE76
SER74
TYR49
| ||
| Current overlap | 14 | Native recall | 0.88 |
| Jaccard | 0.88 | RMSD | - |
| HB strict | 7 | Strict recall | 0.58 |
| HB same residue+role | 5 | HB role recall | 0.50 |
| HB same residue | 5 | HB residue recall | 0.50 |
HB · H-bonds
Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.
PI · π–π interactions
Native π–π recall is disabled because no explicit native π–π reference was stored.
HY · Hydrophobic contacts
CLASH · Clashes
All stored poses for this docking hit
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-31.700kcal/mol
Ligand efficiency (LE)
-1.4409kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-12.510
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
22HA
Physicochemical properties
Molecular weight
316.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
1.69
Lipinski: ≤ 5
Rotatable bonds
5
Conformational strain (MMFF94s)
Strain energy (ΔE)
10.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
14.37kcal/mol
Minimised FF energy
4.06kcal/mol
SASA & burial
✓ computed
SASA (unbound)
547.1Ų
Total solvent-accessible surface area of free ligand
BSA total
402.4Ų
Buried surface area upon binding
BSA apolar
226.3Ų
Hydrophobic contacts buried
BSA polar
176.0Ų
Polar contacts buried
Fraction buried
73.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
56.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2026.8Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA
2454.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
788.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)