FAIRMol

GemmaOHDUnisi_41

Pose ID 9149 Compound 1416 Pose 341

DB SELECTIONDocking 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 GemmaOHDUnisi_41
PDB1NJJ

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
16.8 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.67, Jaccard 0.42, H-bond role recall 0.00
Burial
79%
Hydrophobic fit
81%
Reason: 6 internal clashes
6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.553 kcal/mol/HA) ✓ Good fit quality (FQ -5.58) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (16.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-19.354
kcal/mol
LE
-0.553
kcal/mol/HA
Fit Quality
-5.58
FQ (Leeson)
HAC
35
heavy atoms
MW
462
Da
LogP
6.37
cLogP
Strain ΔE
16.8 kcal/mol
SASA buried
79%
Lipo contact
81% BSA apolar/total
SASA unbound
765 Ų
Apolar buried
493 Ų

Interaction summary

HB 9 HY 9 PI 0 CLASH 6
Final rank4.458Score-19.354
Inter norm-0.633Intra norm0.080
Top1000noExcludedno
Contacts19H-bonds9
Artifact reasongeometry warning; 14 clashes; 2 protein clashes
Residues
ALA281 ALA283 ARG22 ARG342 ASP385 ASP44 CYS26 GLN341 GLU343 GLU384 LEU25 LEU339 LEU382 MET386 PHE284 PRO344 SER282 THR21 THR285

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

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 overlap10Native recall0.67
Jaccard0.42RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
360 1.9858794448475394 -0.60587 -22.5384 8 15 0 0.00 0.00 - no Open
310 2.215876786266132 -0.810312 -26.2423 7 20 0 0.00 0.00 - no Open
296 2.3735761215630813 -0.974129 -31.9318 5 22 0 0.00 0.00 - no Open
304 2.4109016880892273 -0.837854 -29.8668 7 13 0 0.00 0.00 - no Open
350 2.5106836985505296 -0.819328 -29.6374 5 17 0 0.00 0.00 - no Open
350 2.9414702362290113 -0.751309 -27.9819 5 17 0 0.00 0.00 - no Open
358 3.175808622050242 -0.595751 -15.5491 3 17 0 0.00 0.00 - no Open
421 3.3117905327030788 -0.65678 -23.4933 3 16 0 0.00 0.00 - no Open
340 3.408980607340969 -0.695149 -24.1764 7 10 0 0.00 0.00 - no Open
387 3.5593066442778185 -0.749818 -29.818 7 21 0 0.00 0.00 - no Open
384 3.6360066859245648 -0.841444 -26.102 8 16 0 0.00 0.00 - no Open
458 3.684952783737684 -0.836742 -25.2904 4 18 0 0.00 0.00 - no Open
341 4.458291848249892 -0.632747 -19.3542 9 19 10 0.67 0.00 - no Current
340 4.6006376252543095 -0.940685 -33.7094 11 24 0 0.00 0.00 - no Open
312 5.204738389636102 -0.790161 -23.6613 11 20 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 -19.354kcal/mol
Ligand efficiency (LE) -0.5530kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.578
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 461.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.37
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.78kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 100.81kcal/mol
Minimised FF energy 84.03kcal/mol

SASA & burial

✓ computed
SASA (unbound) 765.1Ų
Total solvent-accessible surface area of free ligand
BSA total 607.0Ų
Buried surface area upon binding
BSA apolar 493.4Ų
Hydrophobic contacts buried
BSA polar 113.6Ų
Polar contacts buried
Fraction buried 79.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2591.7Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1393.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)