FAIRMol

OHD_TB2022_31

Pose ID 7503 Compound 1316 Pose 51

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T12
T. brucei R5P T. brucei
Ligand OHD_TB2022_31
PDB6FXS

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
87.5 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.94, Jaccard 0.75, H-bond role recall 0.80
Burial
84%
Hydrophobic fit
58%
Reason: strain 87.5 kcal/mol
strain ΔE 87.5 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.752 kcal/mol/HA) ✓ Good fit quality (FQ -7.10) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (84% SASA buried) ✗ Extreme strain energy (87.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (5)
Score
-21.066
kcal/mol
LE
-0.752
kcal/mol/HA
Fit Quality
-7.10
FQ (Leeson)
HAC
28
heavy atoms
MW
441
Da
LogP
-1.19
cLogP
Strain ΔE
87.5 kcal/mol
SASA buried
84%
Lipo contact
58% BSA apolar/total
SASA unbound
624 Ų
Apolar buried
303 Ų

Interaction summary

HB 16 HY 7 PI 1 CLASH 3

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 rank4.703Score-21.066
Inter norm-1.094Intra norm0.341
Top1000noExcludedno
Contacts19H-bonds16
Artifact reasongeometry warning; 5 clashes; 3 protein clashes; high strain Δ 86.6
Residues
ARG140 ARG144 ASN106 GLN104 HIS105 HIS141 MET101 TYR97 ARG116 ARG46 ASP13 CYS72 GLY73 GLY77 HIS14 ILE15 ILE76 SER74 TYR49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXSContacts16
PoseOpen native poseHB0
IFP residues
ARG140 ARG144 ASN106 HIS105 HIS141 ARG46 ASP13 CYS72 GLY73 GLY75 GLY77 HIS14 ILE15 ILE76 SER74 TYR49
Current overlap15Native recall0.94
Jaccard0.75RMSD-
HB strict8Strict recall0.67
HB same residue+role8HB role recall0.80
HB same residue9HB residue recall0.90

Protein summary

302 residues
Protein targetT12Atoms4598
Residues302Chains2
Residue summaryARG:576; ILE:456; VAL:448; GLU:360; ALA:340; LEU:304; TYR:252; HIS:204; PRO:196; THR:196; GLY:182; LYS:176; ASP:168; PHE:160; MET:153; SER:121

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:CSD72

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
62 0.810035212991975 -1.02312 -24.8311 9 20 0 0.00 0.00 - no Open
40 1.5534392733255422 -0.8627 -18.2179 16 20 0 0.00 0.00 - no Open
41 2.174153151104028 -1.18906 -27.7725 6 11 0 0.00 0.00 - no Open
54 2.223234600331605 -0.949567 -21.4001 16 21 0 0.00 0.00 - no Open
74 2.6242008387752502 -1.03371 -23.4084 12 20 0 0.00 0.00 - no Open
73 3.116055422869663 -1.16039 -26.1014 16 20 0 0.00 0.00 - no Open
70 3.4990459052277174 -0.913904 -13.8449 12 20 0 0.00 0.00 - no Open
59 3.5997644114734966 -0.764431 -19.6558 15 12 0 0.00 0.00 - no Open
63 3.8583607402112525 -1.09421 -23.971 13 20 0 0.00 0.00 - no Open
51 4.7034834914662245 -1.09364 -21.0658 16 19 15 0.94 0.80 - 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 -21.066kcal/mol
Ligand efficiency (LE) -0.7523kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.102
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 441.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -1.19
Lipinski: ≤ 5
Rotatable bonds 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 87.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 7.68kcal/mol
Minimised FF energy -79.84kcal/mol

SASA & burial

✓ computed
SASA (unbound) 624.2Ų
Total solvent-accessible surface area of free ligand
BSA total 521.9Ų
Buried surface area upon binding
BSA apolar 302.7Ų
Hydrophobic contacts buried
BSA polar 219.2Ų
Polar contacts buried
Fraction buried 83.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 58.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2040.4Ų
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 2454.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 757.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)