FAIRMol

9IFH

Pose ID 13558 Compound 5321

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T20
T. brucei TR (Z-site (fragment hotspot)) T. brucei Z-site (fragment hotspot)
Ligand 9IFH
PDB9IFH

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding weak Geometry high Native strong SASA done
Strain ΔE
9.2 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 1.00, Jaccard 1.00, H-bond role recall 1.00
Burial
50%
Hydrophobic fit
97%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Good burial (50% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (9.2 kcal/mol)
HAC
16
heavy atoms
MW
220
Da
LogP
0.05
cLogP
Strain ΔE
9.2 kcal/mol
SASA buried
50%
Lipo contact
97% BSA apolar/total
SASA unbound
456 Ų
Apolar buried
220 Ų

Interaction summary

HB 2 HY 5 PI 0 CLASH 1

HB · H-bonds

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

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank-Score-
Inter norm-Intra norm-
Top1000noExcludedno
Contacts8H-bonds2
Artifact reasonNative reference ligand
Residues
ASN402 GLU467 LEU399 PHE396 PRO398 SER394 SER470 THR397

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFHContacts8
PoseOpen native poseHB0
IFP residues
ASN402 GLU467 LEU399 PHE396 PRO398 SER394 SER470 THR397
Current overlap8Native recall1.00
Jaccard1.00RMSD0.00 Å
HB strict2Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

Protein summary

492 residues
Protein targetT20Atoms7539
Residues492Chains1
Residue summaryVAL:768; LYS:704; LEU:703; ILE:532; GLU:450; THR:434; ARG:408; PHE:400; ALA:390; ASN:350; PRO:350; GLY:336; SER:319; TYR:294; ASP:264; MET:221

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:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
- ★ Native - - - 2 8 8 1.00 1.00 0.00 Å no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Heavy atom count 16HA

Physicochemical properties

Molecular weight 220.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.05
Lipinski: ≤ 5
Rotatable bonds 1

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.18kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 29.64kcal/mol
Minimised FF energy 20.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 456.3Ų
Total solvent-accessible surface area of free ligand
BSA total 227.2Ų
Buried surface area upon binding
BSA apolar 220.2Ų
Hydrophobic contacts buried
BSA polar 7.0Ų
Polar contacts buried
Fraction buried 49.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3011.0Ų
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 4069.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1485.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)