FAIRMol

OHD_MAC_41

Pose ID 8463 Compound 640 Pose 333

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T13
T. brucei ODC (Active site) T. brucei Active site
Ligand OHD_MAC_41
PDB1F3T

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
29.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.84, Jaccard 0.64, H-bond role recall 0.57
Burial
82%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 40% of hydrophobic surface appears solvent-exposed (8/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.015 kcal/mol/HA) ✓ Good fit quality (FQ -9.79) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ High strain energy (29.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-30.439
kcal/mol
LE
-1.015
kcal/mol/HA
Fit Quality
-9.79
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
29.3 kcal/mol
SASA buried
82%
Lipo contact
76% BSA apolar/total
SASA unbound
679 Ų
Apolar buried
423 Ų

Interaction summary

HB 16 HY 2 PI 3 CLASH 3 ⚠ Exposure 40%
⚠️Partial hydrophobic solvent exposure
40% of hydrophobic surface appears solvent-exposed (8/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 20 Buried (contacted) 12 Exposed 8 LogP 3.03 H-bonds 16
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank5.728Score-30.439
Inter norm-1.056Intra norm0.041
Top1000noExcludedno
Contacts22H-bonds16
Artifact reasongeometry warning; 14 clashes; 3 protein clashes; moderate strain Δ 29.3
Residues
ALA111 ALA67 ARG154 ARG277 ASN112 ASP332 ASP88 GLU274 GLY199 GLY235 GLY236 GLY237 GLY276 HIS197 HIS333 LYS69 PRO113 PRO275 SER200 THR132 TYR331 TYR389

Protein summary

411 residues
Protein targetT13Atoms6340
Residues411Chains1
Residue summaryVAL:624; LEU:551; LYS:506; ARG:480; PHE:460; ILE:418; ASP:348; GLU:332; THR:322; TYR:315; PRO:308; ALA:290; SER:264; GLY:224; ASN:210; GLN:170

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1F3TContacts19
PoseOpen native poseHB0
IFP residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 CYS70 GLU274 GLY236 GLY237 GLY276 HIS197 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389
Current overlap16Native recall0.84
Jaccard0.64RMSD-
HB strict5Strict recall0.56
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
326 1.255230868429765 -1.0168 -17.678 10 14 0 0.00 0.00 - no Open
363 2.4201993079394484 -0.837563 -15.4698 8 14 0 0.00 0.00 - no Open
309 2.4530033927416857 -1.04657 -19.3533 10 22 0 0.00 0.00 - no Open
408 2.543924748760653 -0.765399 -20.1583 6 17 0 0.00 0.00 - no Open
373 2.871454078971141 -0.687431 -16.7999 8 15 0 0.00 0.00 - no Open
351 3.435621331133259 -1.1298 -31.8256 8 14 0 0.00 0.00 - no Open
396 3.8141055144953935 -0.961525 -24.1747 8 16 0 0.00 0.00 - no Open
310 4.211492505753235 -0.858106 -20.1831 13 18 0 0.00 0.00 - no Open
441 4.434742941113284 -0.898265 -24.4959 8 15 0 0.00 0.00 - no Open
335 4.486660047343685 -1.08146 -25.0099 10 18 0 0.00 0.00 - no Open
364 4.617676895036009 -0.887025 -22.2533 14 16 0 0.00 0.00 - no Open
369 4.998871688363223 -0.936316 -24.6894 6 15 0 0.00 0.00 - no Open
470 5.42133093270557 -0.784075 -18.4526 11 12 0 0.00 0.00 - no Open
333 5.7276750524644395 -1.05567 -30.4394 16 22 16 0.84 0.57 - 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 -30.439kcal/mol
Ligand efficiency (LE) -1.0146kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.788
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.32kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 108.19kcal/mol
Minimised FF energy 78.87kcal/mol

SASA & burial

✓ computed
SASA (unbound) 679.4Ų
Total solvent-accessible surface area of free ligand
BSA total 559.9Ų
Buried surface area upon binding
BSA apolar 423.2Ų
Hydrophobic contacts buried
BSA polar 136.6Ų
Polar contacts buried
Fraction buried 82.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2593.6Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1398.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)