FAIRMol

KB_Leish_45

Pose ID 8217 Compound 53 Pose 87

DB SELECTIONDocking 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_45
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 high Native strong SASA done
Strain ΔE
26.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.79, Jaccard 0.60, H-bond role recall 0.57
Burial
81%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.990 kcal/mol/HA) ✓ Good fit quality (FQ -9.12) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (26.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-25.737
kcal/mol
LE
-0.990
kcal/mol/HA
Fit Quality
-9.12
FQ (Leeson)
HAC
26
heavy atoms
MW
346
Da
LogP
2.92
cLogP
Strain ΔE
26.5 kcal/mol
SASA buried
81%
Lipo contact
82% BSA apolar/total
SASA unbound
616 Ų
Apolar buried
410 Ų

Interaction summary

HB 7 HY 6 PI 4 CLASH 2

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 rank2.259Score-25.737
Inter norm-1.092Intra norm0.102
Top1000noExcludedno
Contacts21H-bonds7
Artifact reasongeometry warning; 10 clashes; 1 protein clash; moderate strain Δ 26.5
Residues
ALA111 ARG154 ARG277 ASP233 ASP332 ASP88 GLU274 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 PHE238 PRO113 PRO275 SER195 SER200 THR132 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 overlap15Native recall0.79
Jaccard0.60RMSD-
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
157 0.7117618756533478 -1.00994 -20.113 3 20 0 0.00 0.00 - no Open
87 2.2585325691088283 -1.09229 -25.7372 7 21 15 0.79 0.57 - no Current
149 2.513102290808282 -1.2589 -32.4954 6 18 0 0.00 0.00 - no Open
110 2.864260999450896 -1.20208 -30.5278 6 18 0 0.00 0.00 - no Open
129 3.1430621533001446 -0.817155 -20.782 5 13 0 0.00 0.00 - no Open
108 3.414687968297742 -1.21617 -27.759 10 18 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 -25.737kcal/mol
Ligand efficiency (LE) -0.9899kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.120
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 346.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.92
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 66.23kcal/mol
Minimised FF energy 39.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 616.1Ų
Total solvent-accessible surface area of free ligand
BSA total 500.6Ų
Buried surface area upon binding
BSA apolar 410.2Ų
Hydrophobic contacts buried
BSA polar 90.4Ų
Polar contacts buried
Fraction buried 81.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2605.4Ų
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 1381.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)