FAIRMol

GemmaOHDUnisi_39

Pose ID 10585 Compound 3113 Pose 420

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T16
T. brucei TR (Dimer interface (site 2)) T. brucei Dimer interface (site 2)
Ligand GemmaOHDUnisi_39
PDB6RB5

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
16.0 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.50, Jaccard 0.32
Burial
68%
Hydrophobic fit
85%
Reason: 13 internal clashes
13 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.727 kcal/mol/HA) ✓ Good fit quality (FQ -6.93) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (68% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Moderate strain (16.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-21.070
kcal/mol
LE
-0.727
kcal/mol/HA
Fit Quality
-6.93
FQ (Leeson)
HAC
29
heavy atoms
MW
386
Da
LogP
5.42
cLogP
Strain ΔE
16.0 kcal/mol
SASA buried
68%
Lipo contact
85% BSA apolar/total
SASA unbound
689 Ų
Apolar buried
401 Ų

Interaction summary

HB 6 HY 22 PI 0 CLASH 0

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

No clash · clashes detected for this pose.
Final rank2.549Score-21.070
Inter norm-0.798Intra norm0.072
Top1000noExcludedno
Contacts13H-bonds6
Artifact reasongeometry warning; 13 clashes; 1 protein clash
Residues
ALA209 ALA90 ARG74 ASN208 ASN245 ASN91 GLY246 LYS211 LYS89 MET70 PRO212 PRO213 TYR210

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6RB5Contacts12
PoseOpen native poseHB0
IFP residues
ALA90 ARG74 GLY85 LEU73 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 VAL88
Current overlap6Native recall0.50
Jaccard0.32RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

493 residues
Protein targetT16Atoms7551
Residues493Chains1
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: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

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
323 1.9880960137870662 -1.21642 -31.5302 6 15 0 0.00 - - no Open
420 2.548705262181661 -0.798165 -21.0698 6 13 6 0.50 - - no Current
357 3.147742695757834 -0.711274 -16.5493 5 14 0 0.00 - - no Open
340 3.304872371779209 -0.822248 -9.70627 7 17 0 0.00 - - no Open

Molecular metrics

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

Scoring & efficiency

Docking score -21.070kcal/mol
Ligand efficiency (LE) -0.7265kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.935
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 386.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.42
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 80.87kcal/mol
Minimised FF energy 64.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 689.3Ų
Total solvent-accessible surface area of free ligand
BSA total 469.4Ų
Buried surface area upon binding
BSA apolar 400.7Ų
Hydrophobic contacts buried
BSA polar 68.7Ų
Polar contacts buried
Fraction buried 68.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3145.2Ų
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 1501.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)