FAIRMol

Z27504791

Pose ID 9323 Compound 907 Pose 515

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 Z27504791
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
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
34.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.60, Jaccard 0.41, H-bond role recall 0.60
Burial
81%
Hydrophobic fit
77%
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 (-0.818 kcal/mol/HA) ✓ Good fit quality (FQ -7.72) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (34.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-22.904
kcal/mol
LE
-0.818
kcal/mol/HA
Fit Quality
-7.72
FQ (Leeson)
HAC
28
heavy atoms
MW
400
Da
LogP
1.38
cLogP
Strain ΔE
34.9 kcal/mol
SASA buried
81%
Lipo contact
77% BSA apolar/total
SASA unbound
666 Ų
Apolar buried
419 Ų

Interaction summary

HB 7 HY 22 PI 0 CLASH 1
Final rank4.555Score-22.904
Inter norm-0.848Intra norm0.030
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 12 clashes; 3 protein clashes; high strain Δ 34.8
Residues
ARG22 ARG342 ASN20 CYS26 GLN341 GLU343 GLU348 GLU384 LEU25 LEU339 LEU350 LEU382 PRO340 PRO344 PRO373 THR21

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 overlap9Native recall0.60
Jaccard0.41RMSD-
HB strict3Strict recall0.50
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
530 1.6436894146790064 -0.946279 -23.4375 1 14 0 0.00 0.00 - no Open
518 1.9309945238469914 -1.23855 -31.6367 6 21 0 0.00 0.00 - no Open
548 2.2032501877030084 -1.03621 -28.9942 5 17 0 0.00 0.00 - no Open
511 2.51524262721069 -1.03912 -27.2258 6 20 0 0.00 0.00 - no Open
558 4.027810809821197 -0.809508 -25.1543 5 12 0 0.00 0.00 - no Open
525 4.149815159392695 -0.740682 -21.2369 6 8 0 0.00 0.00 - no Open
515 4.5554762834061915 -0.848421 -22.9041 7 16 9 0.60 0.60 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -22.904kcal/mol
Ligand efficiency (LE) -0.8180kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.722
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 400.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.38
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 34.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -103.55kcal/mol
Minimised FF energy -138.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 665.5Ų
Total solvent-accessible surface area of free ligand
BSA total 541.5Ų
Buried surface area upon binding
BSA apolar 419.3Ų
Hydrophobic contacts buried
BSA polar 122.2Ų
Polar contacts buried
Fraction buried 81.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2475.7Ų
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 1353.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)