FAIRMol

OHD_TB2022_44

Pose ID 8883 Compound 31 Pose 75

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 OHD_TB2022_44
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 but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
9.3 kcal/mol
Protein clashes
0
Internal clashes
9
Native overlap
contact recall 0.53, Jaccard 0.36, H-bond role recall 0.20
Burial
85%
Hydrophobic fit
90%
Reason: 9 internal clashes
9 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.998 kcal/mol/HA) ✓ Good fit quality (FQ -8.67) ✓ Good H-bonds (5 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Moderate strain (9.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-21.962
kcal/mol
LE
-0.998
kcal/mol/HA
Fit Quality
-8.67
FQ (Leeson)
HAC
22
heavy atoms
MW
335
Da
LogP
3.13
cLogP
Strain ΔE
9.3 kcal/mol
SASA buried
85%
Lipo contact
90% BSA apolar/total
SASA unbound
556 Ų
Apolar buried
425 Ų

Interaction summary

HB 5 HY 23 PI 0 CLASH 0
Final rank1.554Score-21.962
Inter norm-1.036Intra norm0.038
Top1000noExcludedno
Contacts15H-bonds5
Artifact reasongeometry warning; 9 clashes; 1 protein clash
Residues
ARG22 ARG342 CYS26 GLN341 GLU343 GLU348 LEU25 LEU339 LEU372 LEU382 PRO338 PRO340 PRO344 PRO373 TYR370

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 overlap8Native recall0.53
Jaccard0.36RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
78 -0.20912994509114985 -1.75118 -36.1308 6 18 0 0.00 0.00 - no Open
84 0.5438443585937882 -1.2573 -27.98 5 15 0 0.00 0.00 - no Open
80 0.6506929664465294 -1.24509 -27.1953 5 16 0 0.00 0.00 - no Open
68 0.7497043112738141 -1.73014 -35.9228 6 16 0 0.00 0.00 - no Open
75 1.5541187281168434 -1.03619 -21.9615 5 15 8 0.53 0.20 - no Current
77 1.9234445748383517 -1.24712 -26.67 7 19 0 0.00 0.00 - no Open
60 2.0098157272063952 -1.10131 -20.5867 5 15 0 0.00 0.00 - no Open
62 2.071239823785125 -1.01983 -22.2505 8 16 0 0.00 0.00 - no Open
67 2.518150442780698 -1.30567 -25.2304 6 21 0 0.00 0.00 - no Open
73 3.396519251747581 -0.9275 -16.5183 6 12 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 -21.962kcal/mol
Ligand efficiency (LE) -0.9983kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.667
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 335.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.13
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.32kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -42.61kcal/mol
Minimised FF energy -51.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 556.3Ų
Total solvent-accessible surface area of free ligand
BSA total 473.0Ų
Buried surface area upon binding
BSA apolar 424.9Ų
Hydrophobic contacts buried
BSA polar 48.1Ų
Polar contacts buried
Fraction buried 85.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2449.4Ų
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 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1405.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)