FAIRMol

OHD_Leishmania_204

Pose ID 4764 Compound 3157 Pose 23

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand OHD_Leishmania_204
PDB6RX6

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
68.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.63, Jaccard 0.52, H-bond role recall 0.40
Burial
80%
Hydrophobic fit
71%
Reason: strain 68.7 kcal/mol
strain ΔE 68.7 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.817 kcal/mol/HA) ✓ Good fit quality (FQ -8.24) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Extreme strain energy (68.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-28.579
kcal/mol
LE
-0.817
kcal/mol/HA
Fit Quality
-8.24
FQ (Leeson)
HAC
35
heavy atoms
MW
500
Da
LogP
4.21
cLogP
Strain ΔE
68.7 kcal/mol
SASA buried
80%
Lipo contact
71% BSA apolar/total
SASA unbound
776 Ų
Apolar buried
440 Ų

Interaction summary

HB 7 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 rank3.458Score-28.579
Inter norm-0.911Intra norm0.094
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 67.9
Residues
ALA212 ARG14 ASP161 CYS168 LEU208 LEU209 LYS13 MET163 NAP301 PHE97 PRO210 SER207 TRP221 TYR174 VAL206 VAL211

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 overlap12Native recall0.63
Jaccard0.52RMSD-
HB strict0Strict recall0.00
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
23 3.457687852841941 -0.91052 -28.5795 7 16 12 0.63 0.40 - 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 -28.579kcal/mol
Ligand efficiency (LE) -0.8166kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.236
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 499.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.21
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 68.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 102.90kcal/mol
Minimised FF energy 34.19kcal/mol

SASA & burial

✓ computed
SASA (unbound) 775.7Ų
Total solvent-accessible surface area of free ligand
BSA total 620.5Ų
Buried surface area upon binding
BSA apolar 440.1Ų
Hydrophobic contacts buried
BSA polar 180.4Ų
Polar contacts buried
Fraction buried 80.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1689.5Ų
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 928.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)