FAIRMol

OHD_ACDS_26

Pose ID 4737 Compound 732 Pose 674

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand OHD_ACDS_26
PDB6RX6

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 strong SASA done
Strain ΔE
9.6 kcal/mol
Protein clashes
2
Internal clashes
6
Native overlap
contact recall 0.68, Jaccard 0.68, H-bond role recall 0.60
Burial
91%
Hydrophobic fit
97%
Reason: 6 internal clashes
2 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.463 kcal/mol/HA) ✓ Good fit quality (FQ -12.91) ✓ Good H-bonds (5 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (9.6 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Internal clashes (6)
Score
-33.647
kcal/mol
LE
-1.463
kcal/mol/HA
Fit Quality
-12.91
FQ (Leeson)
HAC
23
heavy atoms
MW
434
Da
LogP
4.55
cLogP
Strain ΔE
9.6 kcal/mol
SASA buried
91%
Lipo contact
97% BSA apolar/total
SASA unbound
564 Ų
Apolar buried
501 Ų

Interaction summary

HB 5 HY 24 PI 5 CLASH 0
Final rank-0.356Score-33.647
Inter norm-1.517Intra norm0.054
Top1000noExcludedno
Contacts13H-bonds5
Artifact reasongeometry warning; 6 clashes; 2 protein contact clashes
Residues
ASP161 CYS168 GLY205 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 SER207 TRP221 TYR174 VAL206

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap13Native recall0.68
Jaccard0.68RMSD-
HB strict2Strict recall0.33
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
674 -0.35581719325196853 -1.51692 -33.6466 5 13 13 0.68 0.60 - no Current
667 0.7867127207647122 -1.08247 -22.6132 4 13 0 0.00 0.00 - no Open
659 1.0346738434927216 -1.12263 -25.5243 2 14 0 0.00 0.00 - no Open
660 1.4512381171061208 -1.12084 -24.9471 2 17 0 0.00 0.00 - no Open
658 1.635224726812735 -1.16156 -22.2419 4 15 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 -33.647kcal/mol
Ligand efficiency (LE) -1.4629kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.911
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 434.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.55
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.63kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 60.35kcal/mol
Minimised FF energy 50.72kcal/mol

SASA & burial

✓ computed
SASA (unbound) 564.2Ų
Total solvent-accessible surface area of free ligand
BSA total 514.7Ų
Buried surface area upon binding
BSA apolar 501.1Ų
Hydrophobic contacts buried
BSA polar 13.7Ų
Polar contacts buried
Fraction buried 91.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1649.3Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 953.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)