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
36.0 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.58, Jaccard 0.58, H-bond role recall 0.80
Reason: no major geometry red flags detected
3 protein-contact clashes
4 intramolecular clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.577 kcal/mol/HA)
✓ Good fit quality (FQ -12.33)
✓ Strong H-bond network (9 bonds)
✓ Deep burial (96% SASA buried)
✗ Very high strain energy (36.0 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (5)
Score
-26.807
kcal/mol
LE
-1.577
kcal/mol/HA
Fit Quality
-12.33
FQ (Leeson)
HAC
17
heavy atoms
MW
278
Da
LogP
-0.46
cLogP
Interaction summary
HB 9
HY 10
PI 1
CLASH 4
Interaction summary
HB 9
HY 10
PI 1
CLASH 4
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 | 1.020 | Score | -26.807 |
|---|---|---|---|
| Inter norm | -1.592 | Intra norm | 0.010 |
| Top1000 | no | Excluded | no |
| Contacts | 11 | H-bonds | 9 |
| Artifact reason | geometry warning; 5 clashes; 1 protein clash; 2 severe cofactor-context clashes; high strain Δ 36.0 | ||
| Residues |
ARG17
LEU188
LEU226
LEU229
LYS198
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 | 7PXX | Contacts | 19 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG17
ASP181
GLY225
HIS241
LEU188
LEU226
LEU229
LYS198
MET233
NDP302
PHE113
PRO115
SER111
SER112
SER227
TYR191
TYR194
VAL230
ARG287
| ||
| Current overlap | 11 | Native recall | 0.58 |
| Jaccard | 0.58 | RMSD | - |
| HB strict | 5 | Strict recall | 0.83 |
| HB same residue+role | 4 | HB role recall | 0.80 |
| HB same residue | 4 | HB residue recall | 0.80 |
Protein summary
308 residues
| Protein target | T04 | Atoms | 4210 |
|---|---|---|---|
| Residues | 308 | Chains | 3 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 279 | 1.0195358389467806 | -1.59155 | -26.8069 | 9 | 11 | 11 | 0.58 | 0.80 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-26.807kcal/mol
Ligand efficiency (LE)
-1.5769kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-12.331
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
17HA
Physicochemical properties
Molecular weight
278.3Da
Lipinski: ≤ 500 Da
LogP (cLogP)
-0.46
Lipinski: ≤ 5
Rotatable bonds
3
Conformational strain (MMFF94s)
Strain energy (ΔE)
35.96kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-109.39kcal/mol
Minimised FF energy
-145.35kcal/mol
SASA & burial
✓ computed
SASA (unbound)
429.9Ų
Total solvent-accessible surface area of free ligand
BSA total
410.4Ų
Buried surface area upon binding
BSA apolar
218.1Ų
Hydrophobic contacts buried
BSA polar
192.4Ų
Polar contacts buried
Fraction buried
95.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
53.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1385.9Ų
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
1020.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)