FAIRMol

Z14342059

Pose ID 10089 Compound 10 Pose 603

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 Z14342059
PDB9IFF

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
27.8 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.85, Jaccard 0.65
Burial
73%
Hydrophobic fit
78%
Reason: 13 internal clashes
13 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.570 kcal/mol/HA) ✓ Good fit quality (FQ -5.66) ✓ Good H-bonds (4 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ High strain energy (27.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-18.817
kcal/mol
LE
-0.570
kcal/mol/HA
Fit Quality
-5.66
FQ (Leeson)
HAC
33
heavy atoms
MW
488
Da
LogP
5.57
cLogP
Strain ΔE
27.8 kcal/mol
SASA buried
73%
Lipo contact
78% BSA apolar/total
SASA unbound
706 Ų
Apolar buried
400 Ų

Interaction summary

HB 4 HY 24 PI 0 CLASH 0

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

No clash · clashes detected for this pose.
Final rank2.461Score-18.817
Inter norm-0.717Intra norm0.147
Top1000noExcludedno
Contacts15H-bonds4
Artifact reasongeometry warning; 13 clashes; 1 protein clash; moderate strain Δ 27.2
Residues
ALA209 ALA90 ARG74 ASN208 ASN245 GLY214 GLY215 LEU73 LYS211 LYS89 MET70 PRO212 PRO213 TYR210 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 overlap11Native recall0.85
Jaccard0.65RMSD-
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
585 0.2569287082877208 -0.794756 -22.3755 0 17 0 0.00 - - no Open
580 0.6899638235943697 -0.911895 -24.8311 2 13 0 0.00 - - no Open
570 0.774398796580156 -0.808344 -21.7394 3 11 0 0.00 - - no Open
587 1.684180210553361 -0.748881 -14.6809 3 15 0 0.00 - - no Open
566 1.8476754197172935 -1.0664 -31.6066 4 23 0 0.00 - - no Open
593 2.3429760084794173 -0.743852 -21.1563 12 14 0 0.00 - - no Open
603 2.4614585551832606 -0.716776 -18.8166 4 15 11 0.85 - - no Current
559 3.860075508321798 -0.916895 -22.0869 8 13 0 0.00 - - no Open
588 3.908763500807694 -0.968638 -28.0781 9 22 0 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 -18.817kcal/mol
Ligand efficiency (LE) -0.5702kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.657
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 487.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.57
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.82kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 26.53kcal/mol
Minimised FF energy -1.29kcal/mol

SASA & burial

✓ computed
SASA (unbound) 705.6Ų
Total solvent-accessible surface area of free ligand
BSA total 515.5Ų
Buried surface area upon binding
BSA apolar 399.9Ų
Hydrophobic contacts buried
BSA polar 115.6Ų
Polar contacts buried
Fraction buried 73.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2986.3Ų
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 1564.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)