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
Weak or marginal quality
Binding strong
Geometry medium
Native strong
SASA done
Strain ΔE
31.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.75, Jaccard 0.41, H-bond role recall 1.00
Reason: no major geometry red flags detected
3 protein-contact clashes
3 intramolecular clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.583 kcal/mol/HA)
✓ Good fit quality (FQ -5.88)
✓ Strong H-bond network (6 bonds)
✓ Deep burial (80% SASA buried)
✓ Lipophilic contacts well-matched (74%)
✗ Very high strain energy (31.3 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (10)
Score
-20.387
kcal/mol
LE
-0.583
kcal/mol/HA
Fit Quality
-5.88
FQ (Leeson)
HAC
35
heavy atoms
MW
556
Da
LogP
3.78
cLogP
Interaction summary
HB 6
HY 23
PI 2
CLASH 3
Interaction summary
HB 6
HY 23
PI 2
CLASH 3
| Final rank | 4.024 | Score | -20.387 |
|---|---|---|---|
| Inter norm | -0.681 | Intra norm | 0.099 |
| Top1000 | no | Excluded | no |
| Contacts | 19 | H-bonds | 6 |
| Artifact reason | geometry warning; 10 clashes; 2 protein clashes; high strain Δ 31.3 | ||
| Residues |
ALA363
ARG287
ARG331
ARG361
CYS375
GLY229
GLY286
GLY376
HIS359
HIS428
ILE378
LEU332
LEU334
MET333
PHE198
PHE230
SER364
THR374
VAL362
| ||
Protein summary
1033 residues
| Protein target | T17 | Atoms | 15160 |
|---|---|---|---|
| Residues | 1033 | Chains | 2 |
| Residue summary | VAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408 | ||
Receptor context
2 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 2
Excluded HETATM 0
Kept cofactors / ions
A:FAD501
B:FAD501
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 5S9T | Contacts | 12 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA365
ARG228
ARG331
GLY229
LEU332
LEU334
MET333
PHE198
PHE230
SER364
THR374
VAL366
| ||
| Current overlap | 9 | Native recall | 0.75 |
| Jaccard | 0.41 | RMSD | - |
| HB strict | 1 | Strict recall | 1.00 |
| HB same residue+role | 1 | HB role recall | 1.00 |
| HB same residue | 1 | HB residue recall | 1.00 |
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
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 529 | 0.9445005848433938 | -0.810999 | -25.0673 | 1 | 20 | 0 | 0.00 | 0.00 | - | no | Open |
| 502 | 1.1795347138132308 | -0.750608 | -25.164 | 4 | 18 | 0 | 0.00 | 0.00 | - | no | Open |
| 510 | 3.0823164052983607 | -0.731554 | -19.1628 | 12 | 12 | 0 | 0.00 | 0.00 | - | no | Open |
| 520 | 3.5353181371270432 | -0.696051 | -19.5183 | 5 | 13 | 0 | 0.00 | 0.00 | - | no | Open |
| 542 | 4.023985359608445 | -0.681281 | -20.3873 | 6 | 19 | 9 | 0.75 | 1.00 | - | no | Current |
| 549 | 4.290601727260935 | -0.720113 | -19.7467 | 6 | 14 | 0 | 0.00 | 0.00 | - | no | Open |
| 507 | 4.7019393478823455 | -0.65471 | -21.0256 | 6 | 17 | 0 | 0.00 | 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
-20.387kcal/mol
Ligand efficiency (LE)
-0.5825kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-5.875
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
35HA
Physicochemical properties
Molecular weight
556.1Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.78
Lipinski: ≤ 5
Rotatable bonds
7
Conformational strain (MMFF94s)
Strain energy (ΔE)
31.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
0.75kcal/mol
Minimised FF energy
-30.53kcal/mol
SASA & burial
✓ computed
SASA (unbound)
784.8Ų
Total solvent-accessible surface area of free ligand
BSA total
626.7Ų
Buried surface area upon binding
BSA apolar
463.8Ų
Hydrophobic contacts buried
BSA polar
162.9Ų
Polar contacts buried
Fraction buried
79.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
74.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-6565.4Ų
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
8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
2068.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)