FAIRMol

OHD_ACDS_36

Pose ID 11516 Compound 2967 Pose 673

DB fairmolDocking 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_36
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
12.8 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.47, H-bond role recall 0.00
Burial
74%
Hydrophobic fit
99%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.651 kcal/mol/HA) ✓ Good fit quality (FQ -6.34) ✓ Good H-bonds (4 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (99%) ✗ Moderate strain (12.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-20.181
kcal/mol
LE
-0.651
kcal/mol/HA
Fit Quality
-6.34
FQ (Leeson)
HAC
31
heavy atoms
MW
538
Da
LogP
6.38
cLogP
Strain ΔE
12.8 kcal/mol
SASA buried
74%
Lipo contact
99% BSA apolar/total
SASA unbound
749 Ų
Apolar buried
548 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 2

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

Final rank2.444Score-20.181
Inter norm-0.744Intra norm0.093
Top1000noExcludedno
Contacts13H-bonds4
Artifact reasongeometry warning; 11 clashes; 1 protein clash
Residues
ALA284 ALA365 ARG287 ARG331 GLY286 HIS359 ILE199 LEU332 LEU334 MET333 PHE198 PHE230 VAL366

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
Jaccard0.47RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall1.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
667 0.21288028751871968 -1.04117 -31.6316 2 20 0 0.00 0.00 - no Open
665 1.829106599470338 -0.901066 -22.6062 4 15 0 0.00 0.00 - no Open
673 2.4436102006853537 -0.743977 -20.1815 4 13 8 0.67 0.00 - no Current
665 2.7469642685769946 -0.904768 -22.6527 2 20 0 0.00 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 -20.181kcal/mol
Ligand efficiency (LE) -0.6510kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.342
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 538.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.38
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 12.75kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 58.86kcal/mol
Minimised FF energy 46.11kcal/mol

SASA & burial

✓ computed
SASA (unbound) 749.3Ų
Total solvent-accessible surface area of free ligand
BSA total 554.1Ų
Buried surface area upon binding
BSA apolar 548.0Ų
Hydrophobic contacts buried
BSA polar 6.2Ų
Polar contacts buried
Fraction buried 74.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 98.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6703.8Ų
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 2097.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)