FAIRMol

OHD_ACDS_23

Pose ID 10822 Compound 2550 Pose 657

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_23
PDB6RB5

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
9.2 kcal/mol
Protein clashes
0
Internal clashes
7
Native overlap
contact recall 0.42, Jaccard 0.28
Burial
71%
Hydrophobic fit
97%
Reason: 7 internal clashes
7 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.074 kcal/mol/HA) ✓ Good fit quality (FQ -9.16) ✓ Good H-bonds (5 bonds) ✓ Deep burial (71% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (9.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-22.553
kcal/mol
LE
-1.074
kcal/mol/HA
Fit Quality
-9.16
FQ (Leeson)
HAC
21
heavy atoms
MW
276
Da
LogP
3.02
cLogP
Strain ΔE
9.2 kcal/mol
SASA buried
71%
Lipo contact
97% BSA apolar/total
SASA unbound
514 Ų
Apolar buried
355 Ų

Interaction summary

HB 5 HY 14 PI 0 CLASH 0
Final rank1.577Score-22.553
Inter norm-1.104Intra norm0.030
Top1000noExcludedno
Contacts11H-bonds5
Artifact reasongeometry warning; 7 clashes; 1 protein clash
Residues
ALA90 ASN91 LYS211 LYS89 LYS93 PRO187 PRO212 PRO213 TRP92 TYR210 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 overlap5Native recall0.42
Jaccard0.28RMSD-
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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
661 1.3301225924586448 -1.53409 -29.212 3 14 0 0.00 - - no Open
669 1.5700738045781129 -1.13597 -17.9714 6 17 0 0.00 - - no Open
657 1.577400629558791 -1.10426 -22.553 5 11 5 0.42 - - no Current
675 2.2225127768025614 -0.945388 -20.0759 4 11 0 0.00 - - no Open
676 2.614827992980293 -1.31059 -26.4268 4 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 -22.553kcal/mol
Ligand efficiency (LE) -1.0740kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.160
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 276.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.02
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 56.81kcal/mol
Minimised FF energy 47.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 514.3Ų
Total solvent-accessible surface area of free ligand
BSA total 366.5Ų
Buried surface area upon binding
BSA apolar 354.7Ų
Hydrophobic contacts buried
BSA polar 11.8Ų
Polar contacts buried
Fraction buried 71.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3106.1Ų
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 1470.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)