FAIRMol

GemmaOHDUnisi_34

Pose ID 9942 Compound 4262 Pose 456

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand GemmaOHDUnisi_34
PDB9IFF

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native mixed SASA done
Strain ΔE
4.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.54, Jaccard 0.32
Burial
78%
Hydrophobic fit
90%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Low conformational strain (4.7 kcal/mol) ✓ Excellent LE (-0.887 kcal/mol/HA) ✓ Good fit quality (FQ -8.17) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (12)
Score
-23.051
kcal/mol
LE
-0.887
kcal/mol/HA
Fit Quality
-8.17
FQ (Leeson)
HAC
26
heavy atoms
MW
340
Da
LogP
5.70
cLogP
Strain ΔE
4.7 kcal/mol
SASA buried
78%
Lipo contact
90% BSA apolar/total
SASA unbound
625 Ų
Apolar buried
441 Ų

Interaction summary

HB 1 HY 24 PI 2 CLASH 1

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 rank0.846Score-23.051
Inter norm-0.904Intra norm0.017
Top1000noExcludedno
Contacts16H-bonds1
Artifact reasongeometry warning; 12 clashes; 2 protein contact clashes
Residues
ALA209 ALA67 ALA77 ALA90 ARG74 GLU82 GLY66 GLY85 LEU73 MET70 PHE83 SER76 TRP81 TYR210 TYR69 VAL88

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap7Native recall0.54
Jaccard0.32RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
Residue summaryVAL: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

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
456 0.8463456003839415 -0.903914 -23.0506 1 16 7 0.54 - - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -23.051kcal/mol
Ligand efficiency (LE) -0.8866kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.168
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 340.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.70
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 4.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 61.86kcal/mol
Minimised FF energy 57.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 624.6Ų
Total solvent-accessible surface area of free ligand
BSA total 489.9Ų
Buried surface area upon binding
BSA apolar 441.2Ų
Hydrophobic contacts buried
BSA polar 48.8Ų
Polar contacts buried
Fraction buried 78.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3020.0Ų
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 1533.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)