Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
3D complex viewer
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Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak
SASA cached
Weak or marginal quality
Binding strong
Geometry high
Native strong
SASA done
Strain ΔE
12.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.69, Jaccard 0.50
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.854 kcal/mol/HA)
✓ Good fit quality (FQ -8.06)
✓ Deep burial (74% SASA buried)
✓ Lipophilic contacts well-matched (92%)
✗ Moderate strain (12.6 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (11)
Score
-23.915
kcal/mol
LE
-0.854
kcal/mol/HA
Fit Quality
-8.06
FQ (Leeson)
HAC
28
heavy atoms
MW
376
Da
LogP
3.04
cLogP
Interaction summary
HB 2
HY 24
PI 0
CLASH 1
Interaction summary
HB 2
HY 24
PI 0
CLASH 1
HB · H-bonds
Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.
PI · π–π interactions
No pi · π–π interactions detected for this pose.
HY · Hydrophobic contacts
CLASH · Clashes
| Final rank | 3.130 | Score | -23.915 |
|---|---|---|---|
| Inter norm | -0.889 | Intra norm | 0.035 |
| Top1000 | no | Excluded | no |
| Contacts | 14 | H-bonds | 2 |
| Artifact reason | geometry warning; 11 clashes; 2 protein clashes | ||
| Residues |
ALA209
ALA90
GLY214
GLY85
LEU73
LYS211
LYS89
MET70
PRO187
PRO212
PRO213
SER86
TYR210
VAL88
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 9IFF | Contacts | 13 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA209
ARG74
ASN208
GLY214
GLY215
GLY85
LEU73
LYS211
MET70
PHE83
PRO212
PRO213
VAL88
| ||
| Current overlap | 9 | Native recall | 0.69 |
| Jaccard | 0.50 | RMSD | - |
| HB strict | 0 | Strict recall | - |
| HB same residue+role | 0 | HB role recall | - |
| HB same residue | 0 | HB residue recall | - |
Protein summary
489 residues
| Protein target | T15 | Atoms | 7420 |
|---|---|---|---|
| Residues | 489 | Chains | 1 |
| Residue summary | VAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:204 | ||
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 225 | 2.9783710440739566 | -0.891847 | -23.9555 | 2 | 14 | 9 | 0.69 | - | - | no | Open |
| 204 | 3.1192616677003957 | -0.889573 | -23.7225 | 2 | 14 | 9 | 0.69 | - | - | no | Open |
| 278 | 3.130132827289786 | -0.888914 | -23.9148 | 2 | 14 | 9 | 0.69 | - | - | no | Current |
| 197 | 3.2914853128726556 | -0.853348 | -22.7235 | 2 | 14 | 0 | 0.00 | - | - | no | Open |
| 273 | 3.303573480016045 | -0.855462 | -22.7656 | 2 | 14 | 0 | 0.00 | - | - | no | Open |
| 218 | 3.3149846895461526 | -0.853238 | -22.7705 | 2 | 14 | 0 | 0.00 | - | - | no | Open |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-23.915kcal/mol
Ligand efficiency (LE)
-0.8541kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-8.063
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
28HA
Physicochemical properties
Molecular weight
375.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.04
Lipinski: ≤ 5
Rotatable bonds
3
Conformational strain (MMFF94s)
Strain energy (ΔE)
12.64kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
56.88kcal/mol
Minimised FF energy
44.23kcal/mol
SASA & burial
✓ computed
SASA (unbound)
643.8Ų
Total solvent-accessible surface area of free ligand
BSA total
479.3Ų
Buried surface area upon binding
BSA apolar
439.9Ų
Hydrophobic contacts buried
BSA polar
39.4Ų
Polar contacts buried
Fraction buried
74.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
91.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3093.6Ų
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
4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1507.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)