FAIRMol

OHD_Leishmania_23

Pose ID 4744 Compound 2758 Pose 3

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_23
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
13.2 kcal/mol
Protein clashes
2
Internal clashes
7
Native overlap
contact recall 0.68, Jaccard 0.62, H-bond role recall 0.20
Burial
87%
Hydrophobic fit
89%
Reason: 7 internal clashes
2 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.908 kcal/mol/HA) ✓ Good fit quality (FQ -8.93) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Moderate strain (13.2 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (17)
Score
-29.067
kcal/mol
LE
-0.908
kcal/mol/HA
Fit Quality
-8.93
FQ (Leeson)
HAC
32
heavy atoms
MW
453
Da
LogP
8.60
cLogP
Strain ΔE
13.2 kcal/mol
SASA buried
87%
Lipo contact
89% BSA apolar/total
SASA unbound
743 Ų
Apolar buried
573 Ų

Interaction summary

HB 2 HY 24 PI 5 CLASH 7

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 rank1.104Score-29.067
Inter norm-0.992Intra norm0.084
Top1000noExcludedno
Contacts15H-bonds2
Artifact reasongeometry warning; 17 clashes; 2 protein contact clashes; 5 cofactor-context clashes
Residues
ARG14 CYS168 GLY205 LEU208 LEU209 LYS13 MET213 NAP301 PHE171 PHE97 PRO210 SER207 TRP221 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 overlap13Native recall0.68
Jaccard0.62RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
2 0.5384184731519768 -0.962244 -28.8872 0 20 16 0.84 0.00 - no Open
3 1.1044527935989459 -0.991897 -29.0667 2 15 13 0.68 0.20 - 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 -29.067kcal/mol
Ligand efficiency (LE) -0.9083kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.933
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 452.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 8.60
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 101.74kcal/mol
Minimised FF energy 88.55kcal/mol

SASA & burial

✓ computed
SASA (unbound) 743.1Ų
Total solvent-accessible surface area of free ligand
BSA total 645.6Ų
Buried surface area upon binding
BSA apolar 573.3Ų
Hydrophobic contacts buried
BSA polar 72.3Ų
Polar contacts buried
Fraction buried 86.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1795.4Ų
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 927.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)