FAIRMol

OHD_TB2020_44

Pose ID 8154 Compound 2081 Pose 24

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_TB2020_44
PDB1F3T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
65.8 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.74, Jaccard 0.56, H-bond role recall 0.43
Burial
77%
Hydrophobic fit
91%
Reason: strain 65.8 kcal/mol
strain ΔE 65.8 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.672 kcal/mol/HA) ✓ Good fit quality (FQ -6.92) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (91%) ✗ Extreme strain energy (65.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-25.522
kcal/mol
LE
-0.672
kcal/mol/HA
Fit Quality
-6.92
FQ (Leeson)
HAC
38
heavy atoms
MW
508
Da
LogP
2.47
cLogP
Strain ΔE
65.8 kcal/mol
SASA buried
77%
Lipo contact
91% BSA apolar/total
SASA unbound
821 Ų
Apolar buried
574 Ų

Interaction summary

HB 7 HY 11 PI 4 CLASH 1

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

Final rank4.332Score-25.522
Inter norm-0.787Intra norm0.116
Top1000noExcludedno
Contacts20H-bonds7
Artifact reasongeometry warning; 18 clashes; 2 protein clashes; high strain Δ 65.8
Residues
ALA111 ALA67 ALA90 ARG154 ARG277 ASN112 ASP332 ASP88 GLU274 GLY199 GLY235 GLY236 GLY237 HIS197 HIS333 LYS69 PRO113 SER200 TYR331 TYR389

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 overlap14Native recall0.74
Jaccard0.56RMSD-
HB strict4Strict recall0.44
HB same residue+role3HB role recall0.43
HB same residue3HB residue recall0.43

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
55 1.1309237672521895 -0.946794 -33.107 12 19 0 0.00 0.00 - no Open
38 1.6874363656426687 -0.757076 -26.2584 4 13 0 0.00 0.00 - no Open
45 1.7705913919027843 -0.7294 -25.5678 2 19 0 0.00 0.00 - no Open
42 2.4406726172543074 -0.85533 -28.6024 3 15 0 0.00 0.00 - no Open
37 3.018866426350658 -0.702682 -22.4896 2 17 1 0.05 0.00 - no Open
55 3.3356888117292276 -0.585751 -14.2121 6 17 0 0.00 0.00 - no Open
41 3.7801042212216704 -0.707759 -21.7123 9 13 0 0.00 0.00 - no Open
56 4.128074887285989 -0.563627 -17.0404 6 12 0 0.00 0.00 - no Open
24 4.331773379453936 -0.787254 -25.522 7 20 14 0.74 0.43 - no Current
25 4.946037833206474 -0.822365 -28.2458 9 22 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 -25.522kcal/mol
Ligand efficiency (LE) -0.6716kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.924
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 38HA

Physicochemical properties

Molecular weight 507.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.47
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 65.81kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 153.23kcal/mol
Minimised FF energy 87.41kcal/mol

SASA & burial

✓ computed
SASA (unbound) 821.0Ų
Total solvent-accessible surface area of free ligand
BSA total 630.1Ų
Buried surface area upon binding
BSA apolar 574.0Ų
Hydrophobic contacts buried
BSA polar 56.1Ų
Polar contacts buried
Fraction buried 76.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 91.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2806.5Ų
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 1413.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)