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
Promising but geometrically suspicious
Binding strong
Geometry low
Native strong
SASA done
Strain ΔE
20.5 kcal/mol
Protein clashes
0
Internal clashes
15
Native overlap
contact recall 0.77, Jaccard 0.62
Reason: 15 internal clashes
15 intramolecular clashes
EcoTox / ADMET
In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium
Ames Clear
DILI Low
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.631 kcal/mol/HA)
✓ Good fit quality (FQ -6.31)
✓ Good H-bonds (3 bonds)
✓ Deep burial (70% SASA buried)
✓ Lipophilic contacts well-matched (87%)
✗ High strain energy (20.5 kcal/mol)
✗ Geometry warnings
✗ Many internal clashes (15)
Score
-21.440
kcal/mol
LE
-0.631
kcal/mol/HA
Fit Quality
-6.31
FQ (Leeson)
HAC
34
heavy atoms
MW
450
Da
LogP
3.99
cLogP
Final rank
2.8256
rank score
Inter norm
-0.742
normalised
Contacts
13
H-bonds 3
Interaction summary
HBD 1
HBA 2
HY 6
PI 0
CLASH 0
Interaction summary
HBD 1
HBA 2
HY 6
PI 0
CLASH 0
HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.
PI · π–π interactions
No pi · π–π interactions detected for this pose.
HY · Hydrophobic contacts
CLASH · Clashes
No clash · clashes detected for this pose.
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 9IFF | Contacts | 13 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA209
ARG74
ASN208
GLY214
GLY215
GLY85
LEU73
LYS211
MET70
PHE83
PRO212
PRO213
VAL88
| ||
| Current overlap | 10 | Native recall | 0.77 |
| Jaccard | 0.62 | RMSD | - |
| HB strict | 0 | Strict recall | - |
| HB same residue+role | 0 | HB role recall | - |
| HB same residue | 0 | HB residue recall | - |
Protein summary
489 residues
| Protein target | T15 | Atoms | 7420 |
|---|---|---|---|
| Residues | 489 | Chains | 1 |
| Residue summary | VAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:204 | ||
All stored poses for this docking hit
Molecular metrics
RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
Scoring & efficiency
Docking score
-21.440kcal/mol
Ligand efficiency (LE)
-0.6306kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-6.310
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
34HA
Physicochemical properties
Molecular weight
449.5Da
Lipinski: ≤ 500 Da
LogP (cLogP)
3.99
Lipinski: ≤ 5
Rotatable bonds
6
Conformational strain (MMFF94s)
Strain energy (ΔE)
20.47kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
32.16kcal/mol
Minimised FF energy
11.69kcal/mol
SASA & burial
✓ computed
SASA (unbound)
751.9Ų
Total solvent-accessible surface area of free ligand
BSA total
525.0Ų
Buried surface area upon binding
BSA apolar
458.1Ų
Hydrophobic contacts buried
BSA polar
67.0Ų
Polar contacts buried
Fraction buried
69.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
87.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-3097.9Ų
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
4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1567.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)