FAIRMol

OHD_ACDS_42

Pose ID 10836 Compound 471 Pose 671

DB SELECTIONDocking 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_ACDS_42
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
44.2 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.67, Jaccard 0.47
Burial
67%
Hydrophobic fit
88%
Reason: strain 44.2 kcal/mol
strain ΔE 44.2 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.648 kcal/mol/HA) ✓ Good fit quality (FQ -6.48) ✓ Deep burial (67% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Extreme strain energy (44.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-22.017
kcal/mol
LE
-0.648
kcal/mol/HA
Fit Quality
-6.48
FQ (Leeson)
HAC
34
heavy atoms
MW
583
Da
LogP
6.54
cLogP
Strain ΔE
44.2 kcal/mol
SASA buried
67%
Lipo contact
88% BSA apolar/total
SASA unbound
741 Ų
Apolar buried
437 Ų

Interaction summary

HB 2 HY 24 PI 0 CLASH 3
Final rank2.749Score-22.017
Inter norm-0.729Intra norm0.081
Top1000noExcludedno
Contacts13H-bonds2
Artifact reasongeometry warning; 13 clashes; 1 protein clash; high strain Δ 44.2
Residues
ALA209 ALA90 ARG74 GLY214 LEU73 LYS211 LYS89 MET70 PRO212 PRO213 TYR210 TYR69 VAL88

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

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 overlap8Native recall0.67
Jaccard0.47RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
674 2.524870027643596 -0.713509 -22.6123 5 17 0 0.00 - - no Open
671 2.59017292611496 -0.808136 -26.3755 3 19 0 0.00 - - no Open
669 2.7086187166345517 -0.771162 -25.1511 4 19 0 0.00 - - no Open
671 2.7492902851176533 -0.7287 -22.0173 2 13 8 0.67 - - 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 -22.017kcal/mol
Ligand efficiency (LE) -0.6476kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.479
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 583.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.54
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 94.83kcal/mol
Minimised FF energy 50.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 741.3Ų
Total solvent-accessible surface area of free ligand
BSA total 495.9Ų
Buried surface area upon binding
BSA apolar 437.0Ų
Hydrophobic contacts buried
BSA polar 58.9Ų
Polar contacts buried
Fraction buried 66.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3187.6Ų
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 1516.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)