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
27.1 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 1.00, Jaccard 0.88, H-bond role recall 0.89
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.408 kcal/mol/HA)
✓ Good fit quality (FQ -11.78)
✓ Strong H-bond network (13 bonds)
✓ Deep burial (85% SASA buried)
✓ Lipophilic contacts well-matched (61%)
✗ High strain energy (27.1 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (8)
Score
-28.164
kcal/mol
LE
-1.408
kcal/mol/HA
Fit Quality
-11.78
FQ (Leeson)
HAC
20
heavy atoms
MW
312
Da
LogP
1.74
cLogP
Interaction summary
HB 13
HY 9
PI 0
CLASH 2
Interaction summary
HB 13
HY 9
PI 0
CLASH 2
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 | 3.156 | Score | -28.164 |
|---|---|---|---|
| Inter norm | -1.199 | Intra norm | -0.209 |
| Top1000 | no | Excluded | no |
| Contacts | 16 | H-bonds | 13 |
| Artifact reason | geometry warning; 8 clashes; 2 protein clashes; moderate strain Δ 27.1 | ||
| Residues |
ARG137
ARG141
ASN103
HIS102
HIS138
ARG113
ASP10
CYS69
GLY70
GLY72
GLY74
HIS11
ILE73
PRO12
SER71
TYR46
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 3K7O | Contacts | 14 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG137
ARG141
ASN103
HIS102
HIS138
ASP10
CYS69
GLY70
GLY74
HIS11
ILE73
PRO12
SER71
TYR46
| ||
| Current overlap | 14 | Native recall | 1.00 |
| Jaccard | 0.88 | RMSD | - |
| HB strict | 9 | Strict recall | 0.75 |
| HB same residue+role | 8 | HB role recall | 0.89 |
| HB same residue | 7 | HB residue recall | 0.88 |
Protein summary
305 residues
| Protein target | T21 | Atoms | 4646 |
|---|---|---|---|
| Residues | 305 | Chains | 2 |
| Residue summary | ARG:576; ILE:532; VAL:512; GLU:420; ALA:360; PHE:240; HIS:238; LYS:220; THR:210; LEU:190; PRO:168; TYR:168; GLY:154; SER:154; ASP:144; ASN:112 | ||
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 71 | 3.1556569945361317 | -1.19943 | -28.1641 | 13 | 16 | 14 | 1.00 | 0.89 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-28.164kcal/mol
Ligand efficiency (LE)
-1.4082kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-11.784
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
20HA
Physicochemical properties
Molecular weight
311.8Da
Lipinski: ≤ 500 Da
LogP (cLogP)
1.74
Lipinski: ≤ 5
Rotatable bonds
4
Conformational strain (MMFF94s)
Strain energy (ΔE)
27.12kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-14.63kcal/mol
Minimised FF energy
-41.75kcal/mol
SASA & burial
✓ computed
SASA (unbound)
493.2Ų
Total solvent-accessible surface area of free ligand
BSA total
420.5Ų
Buried surface area upon binding
BSA apolar
256.1Ų
Hydrophobic contacts buried
BSA polar
164.4Ų
Polar contacts buried
Fraction buried
85.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
60.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2038.5Ų
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
2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
772.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)