FAIRMol

OHD_Leishmania_133

Pose ID 12891 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
T20
T. brucei TR (Z-site (fragment hotspot)) T. brucei Z-site (fragment hotspot)
Ligand OHD_Leishmania_133
PDB9IFH

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
91.7 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.75, Jaccard 0.43, H-bond role recall 0.00
Burial
54%
Hydrophobic fit
79%
Reason: 13 internal clashes, strain 91.7 kcal/mol
strain ΔE 91.7 kcal/mol 13 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.628 kcal/mol/HA) ✓ Good fit quality (FQ -6.38) ✓ Strong H-bond network (8 bonds) ✓ Good burial (54% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (91.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-22.610
kcal/mol
LE
-0.628
kcal/mol/HA
Fit Quality
-6.38
FQ (Leeson)
HAC
36
heavy atoms
MW
495
Da
LogP
-0.34
cLogP
Strain ΔE
91.7 kcal/mol
SASA buried
54%
Lipo contact
79% BSA apolar/total
SASA unbound
796 Ų
Apolar buried
341 Ų

Interaction summary

HB 8 HY 18 PI 1 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 rank3.017Score-22.610
Inter norm-0.589Intra norm-0.056
Top1000noExcludedno
Contacts12H-bonds8
Artifact reasongeometry warning; 13 clashes; 1 protein clash; high strain Δ 69.8
Residues
ASN402 LEU399 MET393 MET400 PHE396 PRO398 SER394 SER395 SER464 SER475 THR397 THR463

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFHContacts8
PoseOpen native poseHB0
IFP residues
ASN402 GLU467 LEU399 PHE396 PRO398 SER394 SER470 THR397
Current overlap6Native recall0.75
Jaccard0.43RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

492 residues
Protein targetT20Atoms7539
Residues492Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:221

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:FAD501

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 6 0.75 0.00 - no Current
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 0 0.00 0.00 - no Open
12 4.894897117783592 -0.855 -26.3168 8 23 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 -22.610kcal/mol
Ligand efficiency (LE) -0.6280kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.383
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) 91.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 55.07kcal/mol
Minimised FF energy -36.67kcal/mol

SASA & burial

✓ computed
SASA (unbound) 795.6Ų
Total solvent-accessible surface area of free ligand
BSA total 431.8Ų
Buried surface area upon binding
BSA apolar 340.8Ų
Hydrophobic contacts buried
BSA polar 91.0Ų
Polar contacts buried
Fraction buried 54.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3201.6Ų
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 4069.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1510.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)