FAIRMol

OHD_MAC_15

Pose ID 10593 Compound 645 Pose 428

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 OHD_MAC_15
PDB6RB5

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
51.8 kcal/mol
Protein clashes
0
Internal clashes
17
Native overlap
contact recall 0.92, Jaccard 0.65
Burial
72%
Hydrophobic fit
84%
Reason: 17 internal clashes, strain 51.8 kcal/mol
strain ΔE 51.8 kcal/mol 17 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.611 kcal/mol/HA) ✓ Good fit quality (FQ -6.11) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Extreme strain energy (51.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-20.760
kcal/mol
LE
-0.611
kcal/mol/HA
Fit Quality
-6.11
FQ (Leeson)
HAC
34
heavy atoms
MW
464
Da
LogP
0.01
cLogP
Strain ΔE
51.8 kcal/mol
SASA buried
72%
Lipo contact
84% BSA apolar/total
SASA unbound
797 Ų
Apolar buried
480 Ų

Interaction summary

HB 7 HY 24 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 rank2.703Score-20.760
Inter norm-0.684Intra norm0.074
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 17 clashes; 1 protein clash; high strain Δ 51.8
Residues
ALA209 ALA77 ALA90 ARG74 LEU73 LYS211 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 TYR210 TYR69 VAL88

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 overlap11Native recall0.92
Jaccard0.65RMSD-
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
428 2.702658847280366 -0.684285 -20.7596 7 16 11 0.92 - - no Current
365 3.3265135327684106 -0.555888 -13.2891 5 8 0 0.00 - - no Open
408 4.581792920673776 -0.908199 -24.7096 5 19 0 0.00 - - no Open
426 4.66105274577834 -0.878702 -24.0119 6 19 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 -20.760kcal/mol
Ligand efficiency (LE) -0.6106kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.109
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 463.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.01
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.81kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 179.60kcal/mol
Minimised FF energy 127.79kcal/mol

SASA & burial

✓ computed
SASA (unbound) 797.3Ų
Total solvent-accessible surface area of free ligand
BSA total 570.0Ų
Buried surface area upon binding
BSA apolar 480.0Ų
Hydrophobic contacts buried
BSA polar 90.0Ų
Polar contacts buried
Fraction buried 71.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3310.8Ų
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 1435.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)