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 medium
Native strong
SASA done
Strain ΔE
20.3 kcal/mol
Protein clashes
1
Internal clashes
3
Native overlap
contact recall 0.71, Jaccard 0.63, H-bond role recall 0.33
Reason: no major geometry red flags detected
1 protein-contact clashes
3 intramolecular clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.441 kcal/mol/HA)
✓ Good fit quality (FQ -12.06)
✓ Good H-bonds (5 bonds)
✓ Deep burial (96% SASA buried)
✓ Lipophilic contacts well-matched (82%)
✗ High strain energy (20.3 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (5)
Score
-28.822
kcal/mol
LE
-1.441
kcal/mol/HA
Fit Quality
-12.06
FQ (Leeson)
HAC
20
heavy atoms
MW
394
Da
LogP
0.21
cLogP
Interaction summary
HB 5
HY 13
PI 1
CLASH 3
Interaction summary
HB 5
HY 13
PI 1
CLASH 3
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 | 1.611 | Score | -28.822 |
|---|---|---|---|
| Inter norm | -1.464 | Intra norm | 0.023 |
| Top1000 | no | Excluded | no |
| Contacts | 14 | H-bonds | 5 |
| Artifact reason | geometry warning; 5 clashes; 2 protein clashes; 3 cofactor-context clashes; moderate strain Δ 20.3 | ||
| Residues |
ARG17
ASP181
GLY225
HIS241
LEU188
LEU226
LEU229
MET183
NDP302
PHE113
SER111
TYR194
VAL230
ARG287
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | ligand | Contacts | 17 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG17
GLY225
HIS241
LEU188
LEU226
LEU229
LYS198
MET233
NDP302
PHE113
PRO115
SER111
SER227
TYR191
TYR194
VAL230
ARG287
| ||
| Current overlap | 12 | Native recall | 0.71 |
| Jaccard | 0.63 | RMSD | - |
| HB strict | 2 | Strict recall | 0.29 |
| HB same residue+role | 2 | HB role recall | 0.33 |
| HB same residue | 2 | HB residue recall | 0.40 |
Protein summary
274 residues
| Protein target | T05 | Atoms | 4108 |
|---|---|---|---|
| Residues | 274 | Chains | 2 |
| Residue summary | LEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108 | ||
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:NDP302
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 99 | 0.6117732980596169 | -0.974638 | -15.7481 | 5 | 11 | 0 | 0.00 | 0.00 | - | no | Open |
| 45 | 0.7172485432220715 | -1.4551 | -30.9202 | 5 | 15 | 12 | 0.71 | 0.33 | - | no | Open |
| 74 | 0.8553843860723078 | -1.46053 | -32.0207 | 5 | 15 | 12 | 0.71 | 0.33 | - | no | Open |
| 43 | 1.6108495649121193 | -1.46372 | -28.8216 | 5 | 14 | 12 | 0.71 | 0.33 | - | no | Current |
| 62 | 3.3402757281163593 | -1.13327 | -18.3592 | 6 | 12 | 0 | 0.00 | 0.00 | - | no | Open |
| 60 | 3.372490911617656 | -1.12147 | -19.3606 | 6 | 11 | 0 | 0.00 | 0.00 | - | no | Open |
| 108 | 3.4844429431435247 | -1.15009 | -19.6592 | 6 | 11 | 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
-28.822kcal/mol
Ligand efficiency (LE)
-1.4411kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-12.059
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
20HA
Physicochemical properties
Molecular weight
394.1Da
Lipinski: ≤ 500 Da
LogP (cLogP)
0.21
Lipinski: ≤ 5
Rotatable bonds
5
Conformational strain (MMFF94s)
Strain energy (ΔE)
20.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
41.06kcal/mol
Minimised FF energy
20.78kcal/mol
SASA & burial
✓ computed
SASA (unbound)
489.7Ų
Total solvent-accessible surface area of free ligand
BSA total
472.6Ų
Buried surface area upon binding
BSA apolar
387.8Ų
Hydrophobic contacts buried
BSA polar
84.8Ų
Polar contacts buried
Fraction buried
96.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
82.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1559.9Ų
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
2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1019.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)