FAIRMol

OHD_ACDS_27

Pose ID 11513 Compound 232 Pose 670

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand OHD_ACDS_27
PDB5S9T

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 and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
7.4 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.40, H-bond role recall 0.00
Burial
82%
Hydrophobic fit
97%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (7.4 kcal/mol) ✓ Excellent LE (-0.996 kcal/mol/HA) ✓ Good fit quality (FQ -8.79) ✓ Good H-bonds (4 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-22.901
kcal/mol
LE
-0.996
kcal/mol/HA
Fit Quality
-8.79
FQ (Leeson)
HAC
23
heavy atoms
MW
528
Da
LogP
4.23
cLogP
Strain ΔE
7.4 kcal/mol
SASA buried
82%
Lipo contact
97% BSA apolar/total
SASA unbound
592 Ų
Apolar buried
470 Ų

Interaction summary

HB 4 HY 12 PI 1 CLASH 4
Final rank3.069Score-22.901
Inter norm-1.010Intra norm0.014
Top1000noExcludedno
Contacts16H-bonds4
Artifact reasongeometry warning; 7 clashes; 2 protein clashes
Residues
ALA365 ARG361 CYS375 GLY229 GLY376 HIS428 ILE378 LEU332 LEU334 LEU377 PHE230 SER364 THR374 VAL362 VAL366 VAL381

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 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 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap8Native recall0.67
Jaccard0.40RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
675 0.08932108552118626 -1.53139 -33.7137 3 15 0 0.00 0.00 - no Open
671 1.4623494220460063 -1.20535 -27.015 3 18 0 0.00 0.00 - no Open
670 1.4838971022548233 -1.01085 -19.596 1 19 0 0.00 0.00 - no Open
660 1.5296363297884992 -1.24398 -27.7842 3 17 0 0.00 0.00 - no Open
659 1.6127658204479765 -1.16325 -26.2443 2 19 0 0.00 0.00 - no Open
668 1.813401811970726 -1.08305 -23.0344 3 13 0 0.00 0.00 - no Open
673 2.618099765994593 -1.24331 -24.7088 5 19 0 0.00 0.00 - no Open
677 2.650135671650861 -0.972587 -21.0295 4 11 0 0.00 0.00 - no Open
659 2.7068022141827996 -1.03337 -23.1766 3 12 0 0.00 0.00 - no Open
670 3.068566625982152 -1.0102 -22.9013 4 16 8 0.67 0.00 - 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 -22.901kcal/mol
Ligand efficiency (LE) -0.9957kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.788
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 528.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.23
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 7.35kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 55.29kcal/mol
Minimised FF energy 47.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 592.0Ų
Total solvent-accessible surface area of free ligand
BSA total 484.5Ų
Buried surface area upon binding
BSA apolar 470.4Ų
Hydrophobic contacts buried
BSA polar 14.1Ų
Polar contacts buried
Fraction buried 81.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6565.8Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2074.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)