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
Reject
SASA cached
Promising but geometrically suspicious
Binding strong
Geometry low
Native strong
SASA done
Strain ΔE
45.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.47
Reason: strain 45.9 kcal/mol
strain ΔE 45.9 kcal/mol
2 protein-contact clashes
Molecular report
Reject
Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.854 kcal/mol/HA)
✓ Good fit quality (FQ -7.76)
✓ Strong H-bond network (6 bonds)
✓ Deep burial (72% SASA buried)
✓ Lipophilic contacts well-matched (76%)
✗ Extreme strain energy (45.9 kcal/mol)
✗ Geometry warnings
Score
-21.353
kcal/mol
LE
-0.854
kcal/mol/HA
Fit Quality
-7.76
FQ (Leeson)
HAC
25
heavy atoms
MW
376
Da
LogP
1.67
cLogP
Interaction summary
HB 6
HY 22
PI 0
CLASH 2
Interaction summary
HB 6
HY 22
PI 0
CLASH 2
| Final rank | 3.024 | Score | -21.353 |
|---|---|---|---|
| Inter norm | -0.978 | Intra norm | 0.124 |
| Top1000 | no | Excluded | no |
| Contacts | 13 | H-bonds | 6 |
| Artifact reason | geometry warning; 4 clashes; 2 protein clashes; high strain Δ 45.9 | ||
| Residues |
ALA209
ALA90
ASN208
GLY85
LYS211
LYS89
MET70
PRO187
PRO212
PRO213
SER86
TYR210
VAL88
| ||
Protein summary
493 residues
| Protein target | T16 | Atoms | 7551 |
|---|---|---|---|
| Residues | 493 | 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:276; MET:221 | ||
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:FAD501
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 6RB5 | Contacts | 12 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA90
ARG74
GLY85
LEU73
LYS89
MET70
PHE83
PRO212
PRO213
SER86
SER87
VAL88
| ||
| Current overlap | 8 | Native recall | 0.67 |
| Jaccard | 0.47 | RMSD | - |
| HB strict | 0 | Strict recall | - |
| HB same residue+role | 0 | HB role recall | - |
| HB same residue | 0 | HB residue recall | - |
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
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 395 | 0.10927334712649962 | -1.0296 | -21.6302 | 11 | 14 | 0 | 0.00 | - | - | no | Open |
| 422 | 0.14692465670760751 | -1.36126 | -25.1177 | 11 | 18 | 0 | 0.00 | - | - | no | Open |
| 393 | 0.2333073319917216 | -1.41845 | -29.1095 | 10 | 18 | 0 | 0.00 | - | - | no | Open |
| 423 | 1.6098485630425021 | -1.07617 | -25.9897 | 8 | 12 | 0 | 0.00 | - | - | no | Open |
| 466 | 2.1741307385320137 | -0.984654 | -21.2362 | 6 | 18 | 0 | 0.00 | - | - | no | Open |
| 499 | 3.024266895819682 | -0.977796 | -21.3529 | 6 | 13 | 8 | 0.67 | - | - | no | Current |
| 485 | 3.395760459171136 | -1.21637 | -25.8565 | 4 | 19 | 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
-21.353kcal/mol
Ligand efficiency (LE)
-0.8541kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-7.765
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
25HA
Physicochemical properties
Molecular weight
376.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
1.67
Lipinski: ≤ 5
Rotatable bonds
6
Conformational strain (MMFF94s)
Strain energy (ΔE)
45.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
93.76kcal/mol
Minimised FF energy
47.90kcal/mol
SASA & burial
✓ computed
SASA (unbound)
609.7Ų
Total solvent-accessible surface area of free ligand
BSA total
441.3Ų
Buried surface area upon binding
BSA apolar
333.8Ų
Hydrophobic contacts buried
BSA polar
107.5Ų
Polar contacts buried
Fraction buried
72.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
75.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3089.0Ų
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
4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1470.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)