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
30.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.86, Jaccard 0.82, H-bond role recall 0.00
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.756 kcal/mol/HA)
✓ Good fit quality (FQ -7.29)
✓ Good H-bonds (3 bonds)
✓ Deep burial (93% SASA buried)
✓ Lipophilic contacts well-matched (80%)
✗ Very high strain energy (30.4 kcal/mol)
✗ Geometry warnings
✗ Minor protein-contact clashes (3)
✗ Many internal clashes (20)
Score
-22.670
kcal/mol
LE
-0.756
kcal/mol/HA
Fit Quality
-7.29
FQ (Leeson)
HAC
30
heavy atoms
MW
400
Da
LogP
2.84
cLogP
Interaction summary
HB 3
HY 24
PI 2
CLASH 1
Interaction summary
HB 3
HY 24
PI 2
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 | 1.890 | Score | -22.670 |
|---|---|---|---|
| Inter norm | -0.855 | Intra norm | 0.100 |
| Top1000 | no | Excluded | no |
| Contacts | 19 | H-bonds | 3 |
| Artifact reason | geometry warning; 20 clashes; 3 protein contact clashes; high strain Δ 30.4 | ||
| Residues |
ALA10
ASP22
GLU31
GLY21
ILE61
ILE8
LEU23
LEU28
LEU68
NAP201
PHE32
PHE35
PRO62
SER60
THR137
THR57
TYR122
VAL116
VAL9
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 5SD8 | Contacts | 21 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA10
ASN65
ASP22
GLN36
GLU31
GLY117
GLY21
ILE61
ILE8
LEU23
LEU68
NAP201
PHE32
PHE35
PRO62
SER60
THR137
THR57
TYR122
VAL116
VAL9
| ||
| Current overlap | 18 | Native recall | 0.86 |
| Jaccard | 0.82 | RMSD | - |
| HB strict | 0 | Strict recall | 0.00 |
| HB same residue+role | 0 | HB role recall | 0.00 |
| HB same residue | 0 | HB residue recall | 0.00 |
Protein summary
200 residues
| Protein target | T01 | Atoms | 3128 |
|---|---|---|---|
| Residues | 200 | Chains | 2 |
| Residue summary | LYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91 | ||
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:NAP201
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 524 | 1.688891324185852 | -0.910844 | -22.099 | 3 | 15 | 0 | 0.00 | 0.00 | - | no | Open |
| 552 | 1.8904526726165263 | -0.855184 | -22.6696 | 3 | 19 | 18 | 0.86 | 0.00 | - | no | Current |
| 503 | 3.2412176734711755 | -1.1393 | -36.6216 | 6 | 20 | 0 | 0.00 | 0.00 | - | no | Open |
| 508 | 3.956584465844293 | -0.818907 | -20.4075 | 2 | 19 | 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
-22.670kcal/mol
Ligand efficiency (LE)
-0.7557kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-7.289
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
30HA
Physicochemical properties
Molecular weight
400.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
2.84
Lipinski: ≤ 5
Rotatable bonds
5
Conformational strain (MMFF94s)
Strain energy (ΔE)
30.39kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
95.77kcal/mol
Minimised FF energy
65.38kcal/mol
SASA & burial
✓ computed
SASA (unbound)
636.4Ų
Total solvent-accessible surface area of free ligand
BSA total
589.9Ų
Buried surface area upon binding
BSA apolar
474.9Ų
Hydrophobic contacts buried
BSA polar
115.0Ų
Polar contacts buried
Fraction buried
92.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1592.8Ų
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
1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
604.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)