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 high
Native strong
SASA done
Strain ΔE
19.4 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.56, H-bond role recall 0.17
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.872 kcal/mol/HA)
✓ Good fit quality (FQ -8.13)
✓ Good H-bonds (4 bonds)
✓ Deep burial (92% SASA buried)
✓ Lipophilic contacts well-matched (80%)
✗ Moderate strain (19.4 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (12)
Score
-23.530
kcal/mol
LE
-0.872
kcal/mol/HA
Fit Quality
-8.13
FQ (Leeson)
HAC
27
heavy atoms
MW
360
Da
LogP
3.51
cLogP
Interaction summary
HB 4
HY 24
PI 2
CLASH 2
Interaction summary
HB 4
HY 24
PI 2
CLASH 2
| Final rank | 2.102 | Score | -23.530 |
|---|---|---|---|
| Inter norm | -0.979 | Intra norm | 0.107 |
| Top1000 | no | Excluded | no |
| Contacts | 18 | H-bonds | 4 |
| Artifact reason | geometry warning; 12 clashes; 1 protein clash | ||
| Residues |
NDP301
ALA32
ARG48
ASP52
GLY157
ILE45
LEU94
MET53
PHE56
PRO50
THR180
THR83
TRP47
VAL156
VAL30
VAL31
VAL49
VAL87
| ||
Protein summary
511 residues
| Protein target | T09 | Atoms | 8170 |
|---|---|---|---|
| Residues | 511 | Chains | 2 |
| Residue summary | LEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224 | ||
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
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 3CL9 | Contacts | 21 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
NDP301
ALA32
ARG97
ASP52
GLY157
ILE45
LEU94
LYS57
MET53
PHE55
PHE56
PHE91
PRO88
SER86
THR180
THR83
TYR162
VAL156
VAL30
VAL31
VAL87
| ||
| Current overlap | 14 | Native recall | 0.67 |
| Jaccard | 0.56 | RMSD | - |
| HB strict | 0 | Strict recall | 0.00 |
| HB same residue+role | 1 | HB role recall | 0.17 |
| HB same residue | 1 | HB residue recall | 0.17 |
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
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 419 | 0.7601486257451542 | -1.40602 | -42.0237 | 11 | 15 | 0 | 0.00 | 0.00 | - | no | Open |
| 453 | 2.1017127720934683 | -0.978924 | -23.5299 | 4 | 18 | 14 | 0.67 | 0.17 | - | no | Current |
| 459 | 2.1985615726132846 | -0.716795 | -20.6273 | 6 | 12 | 0 | 0.00 | 0.00 | - | no | Open |
| 498 | 2.7548777503622417 | -0.986708 | -29.2004 | 7 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 474 | 2.7551494810251014 | -0.871048 | -16.3839 | 6 | 15 | 0 | 0.00 | 0.00 | - | no | Open |
| 493 | 2.9897441915583345 | -0.968749 | -29.3933 | 5 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 430 | 3.4369798200375854 | -1.33416 | -37.134 | 10 | 17 | 0 | 0.00 | 0.00 | - | no | Open |
| 449 | 3.952825963730769 | -1.23111 | -29.9411 | 14 | 18 | 0 | 0.00 | 0.00 | - | no | Open |
| 447 | 5.221684895759614 | -0.982443 | -28.6458 | 7 | 14 | 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
-23.530kcal/mol
Ligand efficiency (LE)
-0.8715kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-8.131
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
27HA
Physicochemical properties
Molecular weight
360.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.51
Lipinski: ≤ 5
Rotatable bonds
7
Conformational strain (MMFF94s)
Strain energy (ΔE)
19.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
123.98kcal/mol
Minimised FF energy
104.55kcal/mol
SASA & burial
✓ computed
SASA (unbound)
622.9Ų
Total solvent-accessible surface area of free ligand
BSA total
570.8Ų
Buried surface area upon binding
BSA apolar
459.3Ų
Hydrophobic contacts buried
BSA polar
111.5Ų
Polar contacts buried
Fraction buried
91.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3249.9Ų
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
4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1674.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)