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
Weak
SASA cached
Promising but geometrically suspicious
Binding strong
Geometry low
Native strong
SASA done
Strain ΔE
21.4 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.82, Jaccard 0.78, H-bond role recall 0.64
Reason: 6 internal clashes
6 protein-contact clashes
6 intramolecular clashes
44% of hydrophobic surface appears solvent-exposed (4/9 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.288 kcal/mol/HA)
✓ Good fit quality (FQ -10.32)
✓ Strong H-bond network (15 bonds)
✓ Deep burial (88% SASA buried)
✓ Lipophilic contacts well-matched (62%)
✗ High strain energy (21.4 kcal/mol)
✗ Geometry warnings
Score
-23.177
kcal/mol
LE
-1.288
kcal/mol/HA
Fit Quality
-10.32
FQ (Leeson)
HAC
18
heavy atoms
MW
255
Da
LogP
-1.97
cLogP
Interaction summary
HB 15
HY 3
PI 2
CLASH 6
⚠ Exposure 44%
Interaction summary
HB 15
HY 3
PI 2
CLASH 6
⚠ Exposure 44%
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
Partial hydrophobic solvent exposure
44% of hydrophobic surface appears solvent-exposed (4/9 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 9
Buried (contacted) 5
Exposed 4
LogP -1.97
H-bonds 15
Exposed fragments:
aliphatic chain/group (4 atoms exposed)
| Final rank | 4.219 | Score | -23.177 |
|---|---|---|---|
| Inter norm | -1.336 | Intra norm | 0.048 |
| Top1000 | no | Excluded | no |
| Contacts | 15 | H-bonds | 15 |
| Artifact reason | geometry warning; 3 clashes; 3 protein clashes; moderate strain Δ 21.4 | ||
| Residues |
ALA15
ARG116
ARG140
ARG144
ASN106
ASP13
CYS72
GLY73
GLY77
HIS105
HIS14
HIS141
SER46
THR74
TYR49
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 6FXW | Contacts | 17 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA15
ARG116
ARG140
ARG144
ASN106
ASP13
CYS72
GLY73
GLY75
GLY77
HIS105
HIS14
HIS141
ILE76
LEU101
THR74
TYR49
| ||
| Current overlap | 14 | Native recall | 0.82 |
| Jaccard | 0.78 | RMSD | - |
| HB strict | 6 | Strict recall | 0.46 |
| HB same residue+role | 7 | HB role recall | 0.64 |
| HB same residue | 7 | HB residue recall | 0.64 |
Protein summary
155 residues
| Protein target | T10 | Atoms | 4590 |
|---|---|---|---|
| Residues | 155 | Chains | 1 |
| Residue summary | ILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140 | ||
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 495 | 1.4327592782854721 | -1.61033 | -24.6174 | 5 | 11 | 0 | 0.00 | 0.00 | - | no | Open |
| 486 | 4.2190270944158375 | -1.33561 | -23.1766 | 15 | 15 | 14 | 0.82 | 0.64 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-23.177kcal/mol
Ligand efficiency (LE)
-1.2876kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-10.319
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
18HA
Physicochemical properties
Molecular weight
255.2Da
Lipinski: ≤ 500 Da
LogP (cLogP)
-1.97
Lipinski: ≤ 5
Rotatable bonds
8
Conformational strain (MMFF94s)
Strain energy (ΔE)
21.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-21.36kcal/mol
Minimised FF energy
-42.77kcal/mol
SASA & burial
✓ computed
SASA (unbound)
463.0Ų
Total solvent-accessible surface area of free ligand
BSA total
405.4Ų
Buried surface area upon binding
BSA apolar
252.1Ų
Hydrophobic contacts buried
BSA polar
153.3Ų
Polar contacts buried
Fraction buried
87.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
62.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2078.3Ų
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
2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
642.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)