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
Likely artefact or unreliable pose
Binding strong
Geometry medium
Native mixed
SASA done
Strain ΔE
32.1 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.54, Jaccard 0.32
Reason: no major geometry red flags detected
4 protein-contact clashes
4 intramolecular clashes
Molecular report
Reject
Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.846 kcal/mol/HA)
✓ Good fit quality (FQ -8.24)
✓ Good H-bonds (4 bonds)
✓ Deep burial (72% SASA buried)
✓ Lipophilic contacts well-matched (86%)
✗ Very high strain energy (32.1 kcal/mol)
✗ Geometry warnings
✗ Protein-contact clashes (7)
✗ Many internal clashes (13)
Score
-26.215
kcal/mol
LE
-0.846
kcal/mol/HA
Fit Quality
-8.24
FQ (Leeson)
HAC
31
heavy atoms
MW
500
Da
LogP
5.50
cLogP
Interaction summary
HB 4
HY 23
PI 0
CLASH 4
Interaction summary
HB 4
HY 23
PI 0
CLASH 4
| Final rank | 1.780 | Score | -26.215 |
|---|---|---|---|
| Inter norm | -0.803 | Intra norm | -0.043 |
| Top1000 | no | Excluded | no |
| Contacts | 16 | H-bonds | 4 |
| Artifact reason | geometry warning; 13 clashes; 7 protein contact clashes; high strain Δ 32.1 | ||
| Residues |
ALA209
ALA244
ALA67
ALA90
ARG74
ASN245
GLY246
GLY66
LEU73
LYS211
MET70
PRO213
TYR210
TYR408
TYR69
VAL88
| ||
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 | ||
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 | 7 | Native recall | 0.54 |
| Jaccard | 0.32 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 572 | 0.5870117947832066 | -1.10765 | -37.5989 | 7 | 16 | 0 | 0.00 | - | - | no | Open |
| 583 | 0.8823549273857154 | -0.910836 | -30.2227 | 2 | 20 | 0 | 0.00 | - | - | no | Open |
| 592 | 1.310495564240597 | -0.754262 | -27.3292 | 4 | 16 | 0 | 0.00 | - | - | no | Open |
| 611 | 1.7798849023795245 | -0.802683 | -26.2147 | 4 | 16 | 7 | 0.54 | - | - | no | Current |
| 594 | 1.9412230667148331 | -0.877204 | -32.0703 | 1 | 19 | 0 | 0.00 | - | - | no | Open |
| 584 | 2.0822003114507757 | -0.856641 | -25.7246 | 2 | 18 | 0 | 0.00 | - | - | no | Open |
| 583 | 2.606119674997513 | -0.894636 | -26.6402 | 9 | 16 | 0 | 0.00 | - | - | no | Open |
| 600 | 2.62217074979796 | -0.689693 | -24.6956 | 3 | 8 | 0 | 0.00 | - | - | no | Open |
| 575 | 3.3580502961066707 | -0.8137 | -25.6478 | 3 | 15 | 0 | 0.00 | - | - | no | Open |
| 595 | 3.5009994029016003 | -0.774293 | -24.4273 | 4 | 21 | 0 | 0.00 | - | - | no | Open |
| 587 | 3.744243536944524 | -0.642671 | -23.6962 | 5 | 10 | 0 | 0.00 | - | - | no | Open |
| 600 | 3.987159201366124 | -1.08362 | -33.2245 | 13 | 19 | 0 | 0.00 | - | - | no | Open |
| 591 | 6.027892840267617 | -0.912188 | -27.1412 | 8 | 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
-26.215kcal/mol
Ligand efficiency (LE)
-0.8456kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-8.238
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
31HA
Physicochemical properties
Molecular weight
500.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
5.50
Lipinski: ≤ 5
Rotatable bonds
5
Conformational strain (MMFF94s)
Strain energy (ΔE)
32.06kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
19.71kcal/mol
Minimised FF energy
-12.35kcal/mol
SASA & burial
✓ computed
SASA (unbound)
758.6Ų
Total solvent-accessible surface area of free ligand
BSA total
546.1Ų
Buried surface area upon binding
BSA apolar
472.1Ų
Hydrophobic contacts buried
BSA polar
74.0Ų
Polar contacts buried
Fraction buried
72.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
86.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3048.5Ų
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
4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1566.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)