FAIRMol

OHD_Babesia_62

Pose ID 8861 Compound 319 Pose 53

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 OHD_Babesia_62
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 high Native mixed SASA done
Strain ΔE
19.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.53, Jaccard 0.40, H-bond role recall 0.40
Burial
78%
Hydrophobic fit
87%
Reason: no major geometry red flags detected
2 protein-contact clashes 88% of hydrophobic surface is solvent-exposed (15/17 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.874 kcal/mol/HA) ✓ Good fit quality (FQ -7.95) ✓ Good H-bonds (3 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ Moderate strain (19.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-21.857
kcal/mol
LE
-0.874
kcal/mol/HA
Fit Quality
-7.95
FQ (Leeson)
HAC
25
heavy atoms
MW
361
Da
LogP
2.50
cLogP
Final rank
3.6625
rank score
Inter norm
-0.910
normalised
Contacts
13
H-bonds 6
Strain ΔE
19.7 kcal/mol
SASA buried
78%
Lipo contact
87% BSA apolar/total
SASA unbound
597 Ų
Apolar buried
406 Ų

Interaction summary

HBD 1 HBA 2 HY 2 PI 0 CLASH 2

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 3.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

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
Jaccard0.40RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
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
47 0.5239177324356373 -1.45605 -36.1942 6 19 0 0.00 0.00 - no Open
37 1.564295037877516 -1.43855 -37.0939 7 15 0 0.00 0.00 - no Open
54 1.9683045743388685 -1.03179 -26.1007 10 21 0 0.00 0.00 - no Open
44 2.072174738895213 -1.11322 -27.8978 9 20 0 0.00 0.00 - no Open
43 2.507509878719639 -1.15696 -29.4478 11 18 0 0.00 0.00 - no Open
40 3.060926401421796 -1.13474 -27.1771 5 21 0 0.00 0.00 - no Open
53 3.6625414032485835 -0.910007 -21.8572 6 13 8 0.53 0.40 - 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 -21.857kcal/mol
Ligand efficiency (LE) -0.8743kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.948
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 360.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.50
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 9.93kcal/mol
Minimised FF energy -9.77kcal/mol

SASA & burial

✓ computed
SASA (unbound) 596.9Ų
Total solvent-accessible surface area of free ligand
BSA total 465.9Ų
Buried surface area upon binding
BSA apolar 406.0Ų
Hydrophobic contacts buried
BSA polar 59.9Ų
Polar contacts buried
Fraction buried 78.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2478.0Ų
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 1397.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)