FAIRMol

Z966775152

Pose ID 8061 Compound 2277 Pose 609

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 Z966775152
PDB6FXS

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
19.5 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.75, Jaccard 0.75, H-bond role recall 0.50
Burial
74%
Hydrophobic fit
70%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.321 kcal/mol/HA) ✓ Good fit quality (FQ -10.83) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (19.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-25.098
kcal/mol
LE
-1.321
kcal/mol/HA
Fit Quality
-10.83
FQ (Leeson)
HAC
19
heavy atoms
MW
254
Da
LogP
2.41
cLogP
Strain ΔE
19.5 kcal/mol
SASA buried
74%
Lipo contact
70% BSA apolar/total
SASA unbound
461 Ų
Apolar buried
239 Ų

Interaction summary

HB 8 HY 6 PI 3 CLASH 0

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

No clash · clashes detected for this pose.
Final rank3.016Score-25.098
Inter norm-1.443Intra norm0.122
Top1000noExcludedno
Contacts12H-bonds8
Artifact reasongeometry warning; 11 clashes; 2 protein clashes
Residues
ARG140 ARG144 HIS105 HIS141 ARG46 ASP13 CYS72 GLY73 HIS14 ILE15 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 overlap12Native recall0.75
Jaccard0.75RMSD-
HB strict7Strict recall0.58
HB same residue+role5HB role recall0.50
HB same residue5HB residue recall0.50

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
599 1.774607054232465 -1.34971 -23.3525 7 13 0 0.00 0.00 - no Open
626 2.9890510231618737 -1.2951 -22.6337 10 15 0 0.00 0.00 - no Open
609 3.0159037591829456 -1.44252 -25.0979 8 12 12 0.75 0.50 - no Current
624 3.0872971814603587 -1.32537 -23.3887 7 13 0 0.00 0.00 - no Open
618 3.1835171244642915 -1.27025 -21.0326 7 13 5 0.31 0.20 - no Open
600 3.7608836455983226 -1.51756 -26.9668 8 14 0 0.00 0.00 - no Open
620 3.8864306304714464 -1.45494 -23.8158 7 16 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 -25.098kcal/mol
Ligand efficiency (LE) -1.3209kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.827
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 254.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.41
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.47kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 23.33kcal/mol
Minimised FF energy 3.85kcal/mol

SASA & burial

✓ computed
SASA (unbound) 461.1Ų
Total solvent-accessible surface area of free ligand
BSA total 342.6Ų
Buried surface area upon binding
BSA apolar 239.3Ų
Hydrophobic contacts buried
BSA polar 103.3Ų
Polar contacts buried
Fraction buried 74.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2035.0Ų
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 2454.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 775.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)