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 strong
SASA done
Strain ΔE
32.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.67, Jaccard 0.57
Reason: no major geometry red flags detected
3 protein-contact clashes
3 intramolecular clashes
55% of hydrophobic surface appears solvent-exposed (6/11 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
EcoTox / ADMET
In-silico prediction only
Fish LC₅₀
Not classified (>100 mg/L)
Daphnia EC₅₀
Not classified (>100 mg/L)
Algae IC₅₀
Not classified (>100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Low
Ames Clear
DILI Low
Molecular report
Weak
Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.032 kcal/mol/HA)
✓ Good fit quality (FQ -8.81)
✓ Strong H-bond network (6 bonds)
✓ Good burial (63% SASA buried)
✗ Very high strain energy (32.7 kcal/mol)
✗ Geometry warnings
✗ Internal clashes (7)
Score
-21.682
kcal/mol
LE
-1.032
kcal/mol/HA
Fit Quality
-8.81
FQ (Leeson)
HAC
21
heavy atoms
MW
327
Da
LogP
0.87
cLogP
Final rank
4.1747
rank score
Inter norm
-1.086
normalised
Contacts
10
H-bonds 10
Interaction summary
HBD 4
HBA 2
HY 5
PI 0
CLASH 3
Interaction summary
HBD 4
HBA 2
HY 5
PI 0
CLASH 3
HBD/HBA · H-bonds (geometric)
HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.
PI · π–π interactions
No pi · π–π interactions detected for this pose.
HY · Hydrophobic contacts
CLASH · Clashes
Native ligand reference
★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
| Name | 6RB5 | Contacts | 12 |
|---|---|---|---|
| Pose | Open native pose | HB | 0 |
| IFP residues |
ALA90
ARG74
GLY85
LEU73
LYS89
MET70
PHE83
PRO212
PRO213
SER86
SER87
VAL88
| ||
| Current overlap | 8 | Native recall | 0.67 |
| Jaccard | 0.57 | RMSD | - |
| HB strict | 0 | Strict recall | - |
| HB same residue+role | 0 | HB role recall | - |
| HB same residue | 0 | HB residue recall | - |
Protein summary
493 residues
| Protein target | T16 | Atoms | 7551 |
|---|---|---|---|
| Residues | 493 | 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:276; MET:221 | ||
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:FAD501
All stored poses for this docking hit
| Pose | Final rank | Inter norm | Score | HB | CT | CT overlap | CT recall | HB role rec. | RMSD | Excluded | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 291 | 1.0967612246539307 | -1.34511 | -30.2038 | 9 | 11 | 0 | 0.00 | - | - | no | Open |
| 322 | 1.293053659419753 | -1.2063 | -25.6189 | 8 | 19 | 0 | 0.00 | - | - | no | Open |
| 270 | 1.7191106795656168 | -1.17853 | -22.541 | 16 | 12 | 0 | 0.00 | - | - | no | Open |
| 390 | 2.3538397766138504 | -1.22354 | -25.7047 | 7 | 15 | 0 | 0.00 | - | - | no | Open |
| 373 | 2.4588288780248044 | -1.25312 | -26.3897 | 6 | 14 | 0 | 0.00 | - | - | no | Open |
| 336 | 2.886003700201454 | -1.17246 | -25.6474 | 10 | 17 | 0 | 0.00 | - | - | no | Open |
| 317 | 2.9899836999992475 | -1.31975 | -28.8678 | 11 | 16 | 0 | 0.00 | - | - | no | Open |
| 408 | 4.174722979043151 | -1.08565 | -21.6821 | 10 | 10 | 8 | 0.67 | - | - | no | Current |
| 439 | 4.345171388067734 | -1.19467 | -26.3824 | 10 | 12 | 0 | 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
-21.682kcal/mol
Ligand efficiency (LE)
-1.0325kcal/mol/HA
Score / heavy atom count
Fit quality (FQ)
-8.807
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count
21HA
Physicochemical properties
Molecular weight
327.4Da
Lipinski: ≤ 500 Da
LogP (cLogP)
0.87
Lipinski: ≤ 5
Rotatable bonds
6
Conformational strain (MMFF94s)
Strain energy (ΔE)
32.72kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy
-36.41kcal/mol
Minimised FF energy
-69.13kcal/mol
SASA & burial
✓ computed
SASA (unbound)
522.9Ų
Total solvent-accessible surface area of free ligand
BSA total
327.9Ų
Buried surface area upon binding
BSA apolar
188.6Ų
Hydrophobic contacts buried
BSA polar
139.3Ų
Polar contacts buried
Fraction buried
62.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio
57.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA
-2971.1Ų
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
4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA
1469.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)