FAIRMol

OHD_Leishmania_133

Pose ID 3398 Compound 348 Pose 12

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand OHD_Leishmania_133
PDB8RHT

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
81.3 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.90, Jaccard 0.76, H-bond role recall 1.00
Burial
93%
Hydrophobic fit
74%
Reason: strain 81.3 kcal/mol
strain ΔE 81.3 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.731 kcal/mol/HA) ✓ Good fit quality (FQ -7.43) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (81.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-26.317
kcal/mol
LE
-0.731
kcal/mol/HA
Fit Quality
-7.43
FQ (Leeson)
HAC
36
heavy atoms
MW
495
Da
LogP
-0.34
cLogP
Strain ΔE
81.3 kcal/mol
SASA buried
93%
Lipo contact
74% BSA apolar/total
SASA unbound
785 Ų
Apolar buried
538 Ų

Interaction summary

HB 8 HY 24 PI 3 CLASH 4

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 rank4.895Score-26.317
Inter norm-0.855Intra norm0.112
Top1000noExcludedno
Contacts23H-bonds8
Artifact reasongeometry warning; 13 clashes; 3 protein clashes; high strain Δ 81.3
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 MET82 NDP301 PHE233 PHE58 PHE94 PRO91 THR184 THR86 TYR166 TYR57 VAL32 VAL33

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap19Native recall0.90
Jaccard0.76RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall1.00
HB same residue4HB residue recall1.00

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
12 1.6392561257972764 -0.859726 -29.8169 8 14 0 0.00 0.00 - no Open
16 2.1036393104027136 -0.742975 -28.9035 8 20 0 0.00 0.00 - no Open
11 2.65940477669851 -0.731382 -24.0508 5 20 0 0.00 0.00 - no Open
15 2.8400958184167666 -1.1447 -44.2495 10 18 0 0.00 0.00 - no Open
12 3.0099859272417073 -0.747145 -28.4943 8 14 0 0.00 0.00 - no Open
12 3.0166469621949865 -0.589367 -22.6096 8 12 0 0.00 0.00 - no Open
18 3.0486529189517513 -1.11879 -40.6803 12 21 0 0.00 0.00 - no Open
5 3.229919745111221 -0.668992 -23.7798 9 19 0 0.00 0.00 - no Open
15 3.8936404298502363 -0.991486 -37.2759 15 23 1 0.05 0.00 - no Open
12 4.894897117783592 -0.855 -26.3168 8 23 19 0.90 1.00 - 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 -26.317kcal/mol
Ligand efficiency (LE) -0.7310kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.430
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 494.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.34
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 81.31kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 43.13kcal/mol
Minimised FF energy -38.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 785.3Ų
Total solvent-accessible surface area of free ligand
BSA total 731.5Ų
Buried surface area upon binding
BSA apolar 537.9Ų
Hydrophobic contacts buried
BSA polar 193.6Ų
Polar contacts buried
Fraction buried 93.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1823.0Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 572.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)