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 mixed
SASA done
Strain ΔE
37.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.40, Jaccard 0.32, H-bond role recall 0.20
Reason: no major geometry red flags detected
2 protein-contact clashes
65% of hydrophobic surface is solvent-exposed (11/17 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.108 kcal/mol/HA)
✓ Good fit quality (FQ -10.20)
✓ Strong H-bond network (8 bonds)
✓ Deep burial (67% SASA buried)
✓ Lipophilic contacts well-matched (73%)
✗ Very high strain energy (37.7 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (7)
Score
-28.797
kcal/mol
LE
-1.108
kcal/mol/HA
Fit Quality
-10.20
FQ (Leeson)
HAC
26
heavy atoms
MW
375
Da
LogP
2.36
cLogP
Interaction summary
HB 8
HY 2
PI 0
CLASH 2
⚠ Exposure 64%
Interaction summary
HB 8
HY 2
PI 0
CLASH 2
⚠ Exposure 64%
HB · H-bonds
Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.
PI · π–π interactions
No pi · π–π interactions detected for this pose.
HY · Hydrophobic contacts
CLASH · Clashes
Solvent-exposed hydrophobic surface — desolvation penalty likely
65% of hydrophobic surface is solvent-exposed (11/17 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Non-polar atoms 17
Buried (contacted) 6
Exposed 11
LogP 2.36
H-bonds 8
Exposed fragments:
phenyl (3/5 atoms exposed)phenyl (4/5 atoms exposed)aliphatic chain/group (4 atoms exposed)
| Final rank | 2.777 | Score | -28.797 |
|---|---|---|---|
| Inter norm | -1.057 | Intra norm | -0.051 |
| Top1000 | no | Excluded | no |
| Contacts | 10 | H-bonds | 8 |
| Artifact reason | geometry warning; 7 clashes; 2 protein clashes; high strain Δ 37.7 | ||
| Residues |
ARG337
ASP243
ASP385
GLU384
LEU339
MET386
PHE383
SER282
VAL335
VAL336
| ||
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 1NJJ | Contacts | 15 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ARG22
ARG242
ARG337
ARG342
ASP243
ASP385
GLN341
GLU384
LEU25
LEU339
LEU382
PRO340
PRO344
SER282
THR241
| ||
| Current overlap | 6 | Native recall | 0.40 |
| Jaccard | 0.32 | RMSD | - |
| HB strict | 0 | Strict recall | 0.00 |
| HB same residue+role | 1 | HB role recall | 0.20 |
| HB same residue | 1 | HB residue recall | 0.20 |
Protein summary
398 residues
| Protein target | T14 | Atoms | 6140 |
|---|---|---|---|
| Residues | 398 | Chains | 1 |
| Residue summary | VAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170 | ||
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:ORX602
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 537 | 0.8652594978950481 | -1.33175 | -36.1745 | 10 | 15 | 0 | 0.00 | 0.00 | - | no | Open |
| 547 | 2.777193917614798 | -1.05696 | -28.797 | 8 | 10 | 6 | 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
-28.797kcal/mol
Ligand efficiency (LE)
-1.1076kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-10.204
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
26HA
Physicochemical properties
Molecular weight
375.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
2.36
Lipinski: ≤ 5
Rotatable bonds
9
Conformational strain (MMFF94s)
Strain energy (ΔE)
37.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
118.12kcal/mol
Minimised FF energy
80.42kcal/mol
SASA & burial
✓ computed
SASA (unbound)
634.0Ų
Total solvent-accessible surface area of free ligand
BSA total
424.3Ų
Buried surface area upon binding
BSA apolar
311.1Ų
Hydrophobic contacts buried
BSA polar
113.2Ų
Polar contacts buried
Fraction buried
66.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
73.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2430.5Ų
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
3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1396.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)