FAIRMol

9IFF

Pose ID 10165 Compound 4499

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand 9IFF
PDB9IFF

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
6.3 kcal/mol
Protein clashes
0
Internal clashes
0
Native overlap
contact recall 1.00, Jaccard 1.00
Burial
69%
Hydrophobic fit
91%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (6.3 kcal/mol) ✓ Deep burial (69% SASA buried) ✓ Lipophilic contacts well-matched (91%) ✗ No H-bonds detected
HAC
18
heavy atoms
MW
248
Da
LogP
0.99
cLogP
Strain ΔE
6.3 kcal/mol
SASA buried
69%
Lipo contact
91% BSA apolar/total
SASA unbound
507 Ų
Apolar buried
320 Ų

Interaction summary

HB 0 HY 11 PI 0 CLASH 0

HB · H-bonds

No hb · h-bonds detected for this pose.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.
Final rank-Score-
Inter norm-Intra norm-
Top1000noExcludedno
Contacts13H-bonds0
Artifact reasonNative reference ligand
Residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap13Native recall1.00
Jaccard1.00RMSD0.00 Å
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
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:204

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
- ★ Native - - - 0 13 13 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 18HA

Physicochemical properties

Molecular weight 248.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.99
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 6.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 101.79kcal/mol
Minimised FF energy 95.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 506.8Ų
Total solvent-accessible surface area of free ligand
BSA total 351.4Ų
Buried surface area upon binding
BSA apolar 320.1Ų
Hydrophobic contacts buried
BSA polar 31.3Ų
Polar contacts buried
Fraction buried 69.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 91.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2948.2Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1518.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)