FAIRMol

KB_Leish_120

Pose ID 8222 Compound 1105 Pose 92

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T13
T. brucei ODC (Active site) T. brucei Active site
Ligand KB_Leish_120
PDB1F3T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
26.6 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.68, Jaccard 0.57, H-bond role recall 0.57
Burial
81%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.893 kcal/mol/HA) ✓ Good fit quality (FQ -8.70) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ High strain energy (26.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-27.673
kcal/mol
LE
-0.893
kcal/mol/HA
Fit Quality
-8.70
FQ (Leeson)
HAC
31
heavy atoms
MW
460
Da
LogP
3.38
cLogP
Strain ΔE
26.6 kcal/mol
SASA buried
81%
Lipo contact
75% BSA apolar/total
SASA unbound
714 Ų
Apolar buried
431 Ų

Interaction summary

HB 11 HY 11 PI 2 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 rank3.609Score-27.673
Inter norm-0.987Intra norm0.094
Top1000noExcludedno
Contacts17H-bonds11
Artifact reasongeometry warning; 6 clashes; 2 protein clashes; moderate strain Δ 26.6
Residues
ALA67 ARG154 ARG277 ASP88 CYS70 GLU274 GLY199 GLY236 GLY237 GLY276 HIS197 LYS169 LYS69 PHE170 SER167 SER200 TYR389

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1F3TContacts19
PoseOpen native poseHB0
IFP residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 CYS70 GLU274 GLY236 GLY237 GLY276 HIS197 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389
Current overlap13Native recall0.68
Jaccard0.57RMSD-
HB strict5Strict recall0.56
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

Protein summary

411 residues
Protein targetT13Atoms6340
Residues411Chains1
Residue summaryVAL:624; LEU:551; LYS:506; ARG:480; PHE:460; ILE:418; ASP:348; GLU:332; THR:322; TYR:315; PRO:308; ALA:290; SER:264; GLY:224; ASN:210; GLN:170

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
148 1.2403718761403133 -0.925706 -27.7982 2 19 0 0.00 0.00 - no Open
648 1.2559919115937181 -0.926046 -27.6044 2 18 0 0.00 0.00 - no Open
92 3.6085021406259115 -0.986882 -27.6733 11 17 13 0.68 0.57 - 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 -27.673kcal/mol
Ligand efficiency (LE) -0.8927kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.697
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 459.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.38
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -0.85kcal/mol
Minimised FF energy -27.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 713.8Ų
Total solvent-accessible surface area of free ligand
BSA total 575.8Ų
Buried surface area upon binding
BSA apolar 431.1Ų
Hydrophobic contacts buried
BSA polar 144.7Ų
Polar contacts buried
Fraction buried 80.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2593.7Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1393.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)