FAIRMol

OHD_Leishmania_126

Pose ID 4752 Compound 2942 Pose 11

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_126
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
28.8 kcal/mol
Protein clashes
2
Internal clashes
17
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.80
Burial
79%
Hydrophobic fit
72%
Reason: 17 internal clashes
2 protein-contact clashes 17 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.141 kcal/mol/HA) ✓ Good fit quality (FQ -11.22) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ High strain energy (28.8 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (17)
Score
-36.499
kcal/mol
LE
-1.141
kcal/mol/HA
Fit Quality
-11.22
FQ (Leeson)
HAC
32
heavy atoms
MW
456
Da
LogP
0.72
cLogP
Strain ΔE
28.8 kcal/mol
SASA buried
79%
Lipo contact
72% BSA apolar/total
SASA unbound
733 Ų
Apolar buried
416 Ų

Interaction summary

HB 8 HY 24 PI 3 CLASH 0

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.
Final rank1.190Score-36.499
Inter norm-1.135Intra norm-0.005
Top1000noExcludedno
Contacts16H-bonds8
Artifact reasongeometry warning; 17 clashes; 2 protein contact clashes; 2 cofactor-context clashes; moderate strain Δ 28.8
Residues
ALA96 ARG14 ASP161 CYS168 GLU217 LEU208 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 SER95 TRP221 TYR174 VAL206

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 overlap14Native recall0.74
Jaccard0.67RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
11 1.190075930147222 -1.13513 -36.4993 8 16 14 0.74 0.80 - no Current
8 2.8822997353496778 -0.745698 -23.3389 6 17 0 0.00 0.00 - no Open
8 4.420730798784049 -1.2159 -37.5088 10 17 14 0.74 0.80 - no Open
7 5.394337888912118 -0.846744 -25.5599 10 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 -36.499kcal/mol
Ligand efficiency (LE) -1.1406kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.217
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 455.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.72
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.76kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -12.53kcal/mol
Minimised FF energy -41.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 733.5Ų
Total solvent-accessible surface area of free ligand
BSA total 576.6Ų
Buried surface area upon binding
BSA apolar 416.0Ų
Hydrophobic contacts buried
BSA polar 160.6Ų
Polar contacts buried
Fraction buried 78.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1676.5Ų
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 915.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)