FAIRMol

Z31204537

Pose ID 9326 Compound 2037 Pose 518

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 Z31204537
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
17.2 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.40, Jaccard 0.30, H-bond role recall 0.00
Burial
76%
Hydrophobic fit
63%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.095 kcal/mol/HA) ✓ Good fit quality (FQ -9.66) ✓ Good H-bonds (3 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ Moderate strain (17.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.173
kcal/mol
LE
-1.095
kcal/mol/HA
Fit Quality
-9.66
FQ (Leeson)
HAC
23
heavy atoms
MW
340
Da
LogP
3.44
cLogP
Strain ΔE
17.2 kcal/mol
SASA buried
76%
Lipo contact
63% BSA apolar/total
SASA unbound
543 Ų
Apolar buried
262 Ų

Interaction summary

HB 3 HY 8 PI 0 CLASH 4
Final rank2.181Score-25.173
Inter norm-1.065Intra norm-0.030
Top1000noExcludedno
Contacts11H-bonds3
Artifact reasongeometry warning; 9 clashes; 1 protein clash
Residues
ALA334 ARG337 ASP243 ASP385 GLU384 LEU339 MET386 PHE383 THR241 VAL335 VAL336

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 overlap6Native recall0.40
Jaccard0.30RMSD-
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
517 0.42060271769283386 -1.01265 -25.7013 1 17 0 0.00 0.00 - no Open
507 1.3740988223350297 -1.21271 -31.4004 3 11 0 0.00 0.00 - no Open
518 2.1812899757260524 -1.06483 -25.1728 3 11 6 0.40 0.00 - no Current
521 3.387400045559614 -1.22342 -30.5321 11 13 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 -25.173kcal/mol
Ligand efficiency (LE) -1.0945kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.660
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 340.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.44
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 29.31kcal/mol
Minimised FF energy 12.10kcal/mol

SASA & burial

✓ computed
SASA (unbound) 542.8Ų
Total solvent-accessible surface area of free ligand
BSA total 415.1Ų
Buried surface area upon binding
BSA apolar 262.4Ų
Hydrophobic contacts buried
BSA polar 152.6Ų
Polar contacts buried
Fraction buried 76.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2338.6Ų
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 1395.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)