FAIRMol

KB_Leish_110

Pose ID 8221 Compound 972 Pose 91

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_110
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
25.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.68, Jaccard 0.54, H-bond role recall 0.43
Burial
83%
Hydrophobic fit
69%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.084 kcal/mol/HA) ✓ Good fit quality (FQ -10.23) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (69%) ✗ High strain energy (25.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-30.342
kcal/mol
LE
-1.084
kcal/mol/HA
Fit Quality
-10.23
FQ (Leeson)
HAC
28
heavy atoms
MW
395
Da
LogP
3.82
cLogP
Strain ΔE
25.5 kcal/mol
SASA buried
83%
Lipo contact
69% BSA apolar/total
SASA unbound
602 Ų
Apolar buried
343 Ų

Interaction summary

HB 9 HY 9 PI 3 CLASH 1
Final rank2.236Score-30.342
Inter norm-0.978Intra norm-0.106
Top1000noExcludedno
Contacts18H-bonds9
Artifact reasongeometry warning; 9 clashes; 1 protein clash; moderate strain Δ 25.5
Residues
ALA111 ALA67 ARG154 ARG277 ASP233 ASP88 GLU274 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 SER195 SER200 THR132 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 overlap13Native recall0.68
Jaccard0.54RMSD-
HB strict4Strict recall0.44
HB same residue+role3HB role recall0.43
HB same residue3HB residue recall0.43

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
121 0.6480317823511264 -1.09263 -30.7137 4 16 0 0.00 0.00 - no Open
128 0.704294296580414 -0.82137 -25.8407 4 19 0 0.00 0.00 - no Open
123 2.0763430321148384 -0.882629 -31.3156 6 18 0 0.00 0.00 - no Open
146 2.1987026073112794 -1.06308 -36.4462 6 17 0 0.00 0.00 - no Open
91 2.235709846232026 -0.978118 -30.3416 9 18 13 0.68 0.43 - no Current
102 2.3420725108936757 -0.856611 -30.5757 10 14 0 0.00 0.00 - no Open
152 2.882361998789424 -1.01322 -36.5034 3 16 0 0.00 0.00 - no Open
138 3.107716007599668 -0.763711 -30.2928 6 11 0 0.00 0.00 - no Open
163 3.993422811367177 -0.727878 -30.4938 5 9 0 0.00 0.00 - no Open
100 4.39388549559622 -0.956566 -34.2918 15 18 0 0.00 0.00 - no Open
94 4.398591367272989 -1.17212 -40.5324 10 19 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 -30.342kcal/mol
Ligand efficiency (LE) -1.0836kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.230
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 395.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.82
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -45.62kcal/mol
Minimised FF energy -71.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 601.8Ų
Total solvent-accessible surface area of free ligand
BSA total 499.1Ų
Buried surface area upon binding
BSA apolar 343.4Ų
Hydrophobic contacts buried
BSA polar 155.7Ų
Polar contacts buried
Fraction buried 82.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2505.3Ų
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 1395.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)