FAIRMol

KB_Leish_54

Pose ID 8968 Compound 2298 Pose 160

DB fairmolDocking 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 KB_Leish_54
PDB1NJJ

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
17.0 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.47, Jaccard 0.32, H-bond role recall 0.20
Burial
78%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.650 kcal/mol/HA) ✓ Good fit quality (FQ -6.13) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Moderate strain (17.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-18.191
kcal/mol
LE
-0.650
kcal/mol/HA
Fit Quality
-6.13
FQ (Leeson)
HAC
28
heavy atoms
MW
419
Da
LogP
3.01
cLogP
Strain ΔE
17.0 kcal/mol
SASA buried
78%
Lipo contact
66% BSA apolar/total
SASA unbound
627 Ų
Apolar buried
323 Ų

Interaction summary

HB 7 HY 7 PI 0 CLASH 5

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

Final rank3.886Score-18.191
Inter norm-0.784Intra norm0.109
Top1000noExcludedno
Contacts14H-bonds7
Artifact reasongeometry warning; 6 clashes; 2 protein clashes
Residues
ALA283 ARG22 ARG50 ASN20 ASP385 ASP44 GLN341 GLU384 LEU25 LEU382 PHE284 SER282 THR21 THR285

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 overlap7Native recall0.47
Jaccard0.32RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
391 0.8112587710984578 -0.883156 -21.7804 4 19 0 0.00 0.00 - no Open
388 1.761457712336876 -1.18388 -28.0949 12 17 0 0.00 0.00 - no Open
484 2.388298171391906 -0.868572 -20.6754 5 12 0 0.00 0.00 - no Open
101 2.911216982679596 -0.879119 -20.3872 5 13 0 0.00 0.00 - no Open
95 2.970006987126121 -1.08769 -25.015 13 16 0 0.00 0.00 - no Open
379 3.450130273935065 -0.998633 -22.0405 14 15 0 0.00 0.00 - no Open
423 3.7405836219795368 -1.00578 -24.1953 10 15 0 0.00 0.00 - no Open
160 3.885655564123343 -0.784425 -18.1914 7 14 7 0.47 0.20 - no Current
100 4.225272845749715 -1.07342 -27.2468 7 13 0 0.00 0.00 - no Open
73 5.143261743022093 -1.07475 -24.8662 12 15 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 -18.191kcal/mol
Ligand efficiency (LE) -0.6497kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.133
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 419.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.01
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.95kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -26.34kcal/mol
Minimised FF energy -43.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 627.5Ų
Total solvent-accessible surface area of free ligand
BSA total 492.1Ų
Buried surface area upon binding
BSA apolar 322.8Ų
Hydrophobic contacts buried
BSA polar 169.3Ų
Polar contacts buried
Fraction buried 78.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2401.9Ų
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 1368.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)