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 strong
SASA done
Strain ΔE
18.4 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.55, Jaccard 0.46, H-bond role recall 0.20
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Promising
Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.143 kcal/mol/HA)
✓ Good fit quality (FQ -10.39)
✓ Good H-bonds (5 bonds)
✓ Deep burial (89% SASA buried)
✓ Lipophilic contacts well-matched (66%)
✗ Moderate strain (18.4 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (5)
Score
-28.578
kcal/mol
LE
-1.143
kcal/mol/HA
Fit Quality
-10.39
FQ (Leeson)
HAC
25
heavy atoms
MW
375
Da
LogP
2.47
cLogP
Interaction summary
HB 5
HY 21
PI 2
CLASH 2
Interaction summary
HB 5
HY 21
PI 2
CLASH 2
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 | 2.794 | Score | -28.578 |
|---|---|---|---|
| Inter norm | -1.084 | Intra norm | -0.059 |
| Top1000 | no | Excluded | no |
| Contacts | 15 | H-bonds | 5 |
| Artifact reason | geometry warning; 5 clashes; 2 protein clashes | ||
| Residues |
ARG48
ARG97
ASP52
ILE45
LEU94
LYS57
MET53
PHE56
PHE91
PRO88
SER44
SER86
TRP47
VAL49
VAL87
| ||
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 | 11 | Native recall | 0.55 |
| Jaccard | 0.46 | RMSD | - |
| HB strict | 1 | Strict recall | 0.14 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 612 | 0.91767736043541 | -1.18417 | -33.3174 | 6 | 13 | 0 | 0.00 | 0.00 | - | no | Open |
| 636 | 2.1279379391094517 | -0.976606 | -22.1 | 6 | 21 | 0 | 0.00 | 0.00 | - | no | Open |
| 622 | 2.794385520261892 | -1.08364 | -28.5777 | 5 | 15 | 11 | 0.55 | 0.20 | - | no | Current |
| 644 | 2.81995954533236 | -1.24952 | -31.5724 | 13 | 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
-28.578kcal/mol
Ligand efficiency (LE)
-1.1431kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-10.392
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
25HA
Physicochemical properties
Molecular weight
375.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
2.47
Lipinski: ≤ 5
Rotatable bonds
6
Conformational strain (MMFF94s)
Strain energy (ΔE)
18.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-33.41kcal/mol
Minimised FF energy
-51.85kcal/mol
SASA & burial
✓ computed
SASA (unbound)
627.9Ų
Total solvent-accessible surface area of free ligand
BSA total
560.4Ų
Buried surface area upon binding
BSA apolar
369.2Ų
Hydrophobic contacts buried
BSA polar
191.2Ų
Polar contacts buried
Fraction buried
89.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
65.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-1426.6Ų
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
822.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)