FAIRMol

OHD_Leishmania_446

Pose ID 8845 Compound 3735 Pose 37

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T14
T. brucei ODC (G418 binding site) T. brucei G418 binding site
Ligand OHD_Leishmania_446
PDB1NJJ

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
56.4 kcal/mol
Protein clashes
9
Internal clashes
9
Native overlap
contact recall 0.73, Jaccard 0.38, H-bond role recall 0.40
Burial
82%
Hydrophobic fit
94%
Reason: 9 protein-contact clashes, 9 internal clashes, strain 56.4 kcal/mol
strain ΔE 56.4 kcal/mol 9 protein-contact clashes 9 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.610 kcal/mol/HA) ✓ Good fit quality (FQ -6.37) ✓ Good H-bonds (5 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (94%) ✗ Extreme strain energy (56.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (24)
Score
-24.382
kcal/mol
LE
-0.610
kcal/mol/HA
Fit Quality
-6.37
FQ (Leeson)
HAC
40
heavy atoms
MW
650
Da
LogP
5.77
cLogP
Strain ΔE
56.4 kcal/mol
SASA buried
82%
Lipo contact
94% BSA apolar/total
SASA unbound
891 Ų
Apolar buried
692 Ų

Interaction summary

HB 5 HY 24 PI 0 CLASH 9
Final rank5.893Score-24.382
Inter norm-0.566Intra norm-0.044
Top1000noExcludedno
Contacts25H-bonds5
Artifact reasongeometry warning; 24 clashes; 2 protein clashes; high strain Δ 56.4
Residues
ARG22 ARG342 ARG50 ASP385 ASP44 ASP47 CYS26 GLN341 GLU343 GLU348 GLU384 LEU25 LEU339 LEU350 LEU372 LEU382 PRO338 PRO340 PRO344 PRO373 SER282 THR21 THR285 TYR370 TYR371

Protein summary

398 residues
Protein targetT14Atoms6140
Residues398Chains1
Residue summaryVAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170

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:ORX602

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1NJJContacts15
PoseOpen native poseHB0
IFP residues
ARG22 ARG242 ARG337 ARG342 ASP243 ASP385 GLN341 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 SER282 THR241
Current overlap11Native recall0.73
Jaccard0.38RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
30 2.8122849803695433 -0.605681 -21.2292 2 16 0 0.00 0.00 - no Open
32 3.6904132075342484 -0.479913 -21.0909 3 17 0 0.00 0.00 - no Open
23 3.963480043409727 -0.57271 -23.4694 1 16 0 0.00 0.00 - no Open
29 4.034277023512894 -0.679794 -27.5538 4 19 0 0.00 0.00 - no Open
37 5.8925470979906365 -0.565542 -24.3824 5 25 11 0.73 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 -24.382kcal/mol
Ligand efficiency (LE) -0.6096kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.366
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 40HA

Physicochemical properties

Molecular weight 650.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.77
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 56.39kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 142.13kcal/mol
Minimised FF energy 85.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 891.3Ų
Total solvent-accessible surface area of free ligand
BSA total 735.5Ų
Buried surface area upon binding
BSA apolar 692.4Ų
Hydrophobic contacts buried
BSA polar 43.0Ų
Polar contacts buried
Fraction buried 82.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2729.0Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1465.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)