FAIRMol

OHD_TB2021_105

Pose ID 8166 Compound 3074 Pose 36

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_TB2021_105
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
24.6 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.89, Jaccard 0.65, H-bond role recall 0.57
Burial
86%
Hydrophobic fit
94%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.948 kcal/mol/HA) ✓ Good fit quality (FQ -8.62) ✓ Good H-bonds (5 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (94%) ✗ High strain energy (24.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-23.697
kcal/mol
LE
-0.948
kcal/mol/HA
Fit Quality
-8.62
FQ (Leeson)
HAC
25
heavy atoms
MW
340
Da
LogP
3.58
cLogP
Strain ΔE
24.6 kcal/mol
SASA buried
86%
Lipo contact
94% BSA apolar/total
SASA unbound
653 Ų
Apolar buried
531 Ų

Interaction summary

HB 5 HY 11 PI 3 CLASH 5
Final rank3.628Score-23.697
Inter norm-1.162Intra norm0.214
Top1000noExcludedno
Contacts24H-bonds5
Artifact reasongeometry warning; 11 clashes; 2 protein clashes; moderate strain Δ 24.6
Residues
ALA111 ALA67 ARG154 ARG277 ASP233 ASP332 ASP88 GLU274 GLY199 GLY235 GLY236 GLY237 GLY276 HIS197 LYS69 PHE196 PHE238 PRO113 PRO275 SER195 SER200 THR132 TYR278 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 overlap17Native recall0.89
Jaccard0.65RMSD-
HB strict4Strict recall0.44
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
68 1.4150472791634583 -1.40486 -32.9741 5 16 0 0.00 0.00 - no Open
36 3.6278037511253904 -1.1621 -23.6974 5 24 17 0.89 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 -23.697kcal/mol
Ligand efficiency (LE) -0.9479kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.617
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 340.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.58
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 30.78kcal/mol
Minimised FF energy 6.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 653.0Ų
Total solvent-accessible surface area of free ligand
BSA total 561.7Ų
Buried surface area upon binding
BSA apolar 530.8Ų
Hydrophobic contacts buried
BSA polar 30.9Ų
Polar contacts buried
Fraction buried 86.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2708.4Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1375.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)