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
18.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.75, Jaccard 0.43, H-bond role recall 1.00
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.610 kcal/mol/HA)
✓ Good fit quality (FQ -5.76)
✓ Strong H-bond network (8 bonds)
✓ Deep burial (66% SASA buried)
✓ Lipophilic contacts well-matched (80%)
✗ Moderate strain (18.6 kcal/mol)
✗ Geometry warnings
✗ Protein-contact clashes (7)
✗ Many internal clashes (13)
Score
-17.087
kcal/mol
LE
-0.610
kcal/mol/HA
Fit Quality
-5.76
FQ (Leeson)
HAC
28
heavy atoms
MW
374
Da
LogP
3.31
cLogP
Interaction summary
HB 8
HY 21
PI 1
CLASH 1
Interaction summary
HB 8
HY 21
PI 1
CLASH 1
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
| Final rank | 1.844 | Score | -17.087 |
|---|---|---|---|
| Inter norm | -0.786 | Intra norm | 0.141 |
| Top1000 | no | Excluded | no |
| Contacts | 12 | H-bonds | 8 |
| Artifact reason | geometry warning; 13 clashes; 7 protein contact clashes | ||
| Residues |
ARG472
GLU467
LEU399
MET400
MET471
PHE396
PRO398
PRO462
SER394
SER470
THR473
TYR392
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 9IFH | Contacts | 8 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ASN402
GLU467
LEU399
PHE396
PRO398
SER394
SER470
THR397
| ||
| Current overlap | 6 | Native recall | 0.75 |
| Jaccard | 0.43 | RMSD | - |
| HB strict | 2 | Strict recall | 1.00 |
| HB same residue+role | 1 | HB role recall | 1.00 |
| HB same residue | 1 | HB residue recall | 1.00 |
Protein summary
492 residues
| Protein target | T20 | Atoms | 7539 |
|---|---|---|---|
| Residues | 492 | 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: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
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 539 | 1.0361740438829137 | -0.957481 | -16.3487 | 3 | 21 | 0 | 0.00 | 0.00 | - | no | Open |
| 579 | 1.6489256767487757 | -0.830657 | -23.7177 | 4 | 16 | 0 | 0.00 | 0.00 | - | no | Open |
| 565 | 1.8444497913320552 | -0.786086 | -17.0873 | 8 | 12 | 6 | 0.75 | 1.00 | - | no | Current |
| 557 | 2.333048353539209 | -0.880881 | -15.3644 | 6 | 14 | 0 | 0.00 | 0.00 | - | no | Open |
| 576 | 3.6344160793458276 | -0.964617 | -20.405 | 10 | 18 | 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
-17.087kcal/mol
Ligand efficiency (LE)
-0.6103kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-5.761
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
28HA
Physicochemical properties
Molecular weight
374.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.31
Lipinski: ≤ 5
Rotatable bonds
8
Conformational strain (MMFF94s)
Strain energy (ΔE)
18.59kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
102.45kcal/mol
Minimised FF energy
83.86kcal/mol
SASA & burial
✓ computed
SASA (unbound)
688.1Ų
Total solvent-accessible surface area of free ligand
BSA total
450.7Ų
Buried surface area upon binding
BSA apolar
361.4Ų
Hydrophobic contacts buried
BSA polar
89.4Ų
Polar contacts buried
Fraction buried
65.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
80.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3112.7Ų
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
4069.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1519.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)