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
Promising
SASA cached
Promising and worth follow-up
Binding strong
Geometry high
Native mixed
SASA done
Strain ΔE
17.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.40, Jaccard 0.33, H-bond role recall 0.20
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Promising
Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.030 kcal/mol/HA)
✓ Good fit quality (FQ -9.23)
✓ Strong H-bond network (9 bonds)
✓ Deep burial (83% SASA buried)
✓ Lipophilic contacts well-matched (77%)
✗ Moderate strain (17.4 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (8)
Score
-24.722
kcal/mol
LE
-1.030
kcal/mol/HA
Fit Quality
-9.23
FQ (Leeson)
HAC
24
heavy atoms
MW
409
Da
LogP
3.72
cLogP
Interaction summary
HB 9
HY 22
PI 2
CLASH 1
Interaction summary
HB 9
HY 22
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 | 3.110 | Score | -24.722 |
|---|---|---|---|
| Inter norm | -1.122 | Intra norm | 0.092 |
| Top1000 | no | Excluded | no |
| Contacts | 12 | H-bonds | 9 |
| Artifact reason | geometry warning; 8 clashes; 2 protein clashes | ||
| Residues |
ARG92
ARG97
ILE45
LEU94
LYS57
LYS90
LYS95
MET53
PHE56
PHE91
PRO88
PRO93
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 3CL9 | Contacts | 20 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA32
ARG97
ASP52
ILE45
LEU94
LYS57
MET53
NDP301
PHE56
PHE91
PRO88
SER86
THR180
THR54
THR83
TYR162
VAL156
VAL30
VAL31
VAL87
| ||
| Current overlap | 8 | Native recall | 0.40 |
| Jaccard | 0.33 | RMSD | - |
| HB strict | 2 | Strict recall | 0.29 |
| HB same residue+role | 1 | HB role recall | 0.20 |
| HB same residue | 1 | HB residue recall | 0.20 |
Protein summary
225 residues
| Protein target | T03 | Atoms | 3428 |
|---|---|---|---|
| Residues | 225 | Chains | 2 |
| Residue summary | LEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74 | ||
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:NDP301
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 391 | 0.21700719466234605 | -1.39302 | -32.2253 | 6 | 19 | 0 | 0.00 | 0.00 | - | no | Open |
| 444 | 0.7062920106538152 | -0.950209 | -26.6197 | 7 | 13 | 0 | 0.00 | 0.00 | - | no | Open |
| 420 | 1.2623877638131078 | -1.35339 | -29.6607 | 9 | 10 | 0 | 0.00 | 0.00 | - | no | Open |
| 404 | 1.8802542420593948 | -0.990568 | -25.18 | 3 | 16 | 1 | 0.05 | 0.00 | - | no | Open |
| 447 | 3.109982217759302 | -1.12173 | -24.7218 | 9 | 12 | 8 | 0.40 | 0.20 | - | no | Current |
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-24.722kcal/mol
Ligand efficiency (LE)
-1.0301kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-9.231
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
24HA
Physicochemical properties
Molecular weight
409.3Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.72
Lipinski: ≤ 5
Rotatable bonds
7
Conformational strain (MMFF94s)
Strain energy (ΔE)
17.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
115.33kcal/mol
Minimised FF energy
97.89kcal/mol
SASA & burial
✓ computed
SASA (unbound)
637.2Ų
Total solvent-accessible surface area of free ligand
BSA total
526.9Ų
Buried surface area upon binding
BSA apolar
403.9Ų
Hydrophobic contacts buried
BSA polar
123.0Ų
Polar contacts buried
Fraction buried
82.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
76.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1489.4Ų
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
1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
828.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)