FAIRMol

KB_Leish_188

Pose ID 8229 Compound 3317 Pose 99

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_188
PDB1F3T

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
83.8 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.79, Jaccard 0.65, H-bond role recall 0.29
Burial
77%
Hydrophobic fit
92%
Reason: strain 83.8 kcal/mol
strain ΔE 83.8 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.804 kcal/mol/HA) ✓ Good fit quality (FQ -8.23) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ Extreme strain energy (83.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-29.761
kcal/mol
LE
-0.804
kcal/mol/HA
Fit Quality
-8.23
FQ (Leeson)
HAC
37
heavy atoms
MW
497
Da
LogP
1.59
cLogP
Strain ΔE
83.8 kcal/mol
SASA buried
77%
Lipo contact
92% BSA apolar/total
SASA unbound
789 Ų
Apolar buried
556 Ų

Interaction summary

HB 7 HY 15 PI 3 CLASH 3
Final rank2.917Score-29.761
Inter norm-0.759Intra norm-0.045
Top1000noExcludedno
Contacts19H-bonds7
Artifact reasongeometry warning; 16 clashes; 1 protein clash; high strain Δ 83.8
Residues
ALA111 ALA67 ARG154 ARG277 ASN112 ASP332 ASP88 GLU274 GLY199 GLY236 GLY237 GLY276 HIS197 LYS69 PHE170 PRO113 SER200 TYR331 TYR389

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

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
Jaccard0.65RMSD-
HB strict3Strict recall0.33
HB same residue+role2HB role recall0.29
HB same residue2HB residue recall0.29

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
99 2.9168411218518138 -0.759156 -29.7609 7 19 15 0.79 0.29 - no Current
125 2.9786986073425483 -0.776775 -26.3117 5 17 0 0.00 0.00 - no Open
167 3.4370544559114014 -0.579801 -22.5862 5 14 0 0.00 0.00 - no Open
114 3.518118229840114 -0.69556 -27.5891 3 17 0 0.00 0.00 - no Open
137 6.508634883287113 -0.713745 -25.5113 3 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 -29.761kcal/mol
Ligand efficiency (LE) -0.8043kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.235
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 496.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.59
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 83.82kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 195.02kcal/mol
Minimised FF energy 111.20kcal/mol

SASA & burial

✓ computed
SASA (unbound) 788.7Ų
Total solvent-accessible surface area of free ligand
BSA total 606.3Ų
Buried surface area upon binding
BSA apolar 556.5Ų
Hydrophobic contacts buried
BSA polar 49.8Ų
Polar contacts buried
Fraction buried 76.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 91.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2829.4Ų
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 1370.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)