FAIRMol

Z966775152

Pose ID 14184 Compound 2277 Pose 626

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T21
T. cruzi R5P T. cruzi
Ligand Z966775152
PDB3K7O

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 strong Geometry medium Native strong SASA done
Strain ΔE
9.7 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.71, Jaccard 0.53, H-bond role recall 0.33
Burial
87%
Hydrophobic fit
72%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.191 kcal/mol/HA) ✓ Good fit quality (FQ -9.76) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Moderate strain (9.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-22.634
kcal/mol
LE
-1.191
kcal/mol/HA
Fit Quality
-9.76
FQ (Leeson)
HAC
19
heavy atoms
MW
254
Da
LogP
2.00
cLogP
Strain ΔE
9.7 kcal/mol
SASA buried
87%
Lipo contact
72% BSA apolar/total
SASA unbound
459 Ų
Apolar buried
285 Ų

Interaction summary

HB 10 HY 10 PI 2 CLASH 5
Final rank2.989Score-22.634
Inter norm-1.295Intra norm0.104
Top1000noExcludedno
Contacts15H-bonds10
Artifact reasongeometry warning; 9 clashes; 2 protein clashes
Residues
ASN103 HIS102 MET98 TYR94 ARG113 ASP10 CYS69 GLY70 GLY72 GLY74 ILE73 MET75 PRO12 SER71 TYR46

Protein summary

305 residues
Protein targetT21Atoms4646
Residues305Chains2
Residue summaryARG:576; ILE:532; VAL:512; GLU:420; ALA:360; PHE:240; HIS:238; LYS:220; THR:210; LEU:190; PRO:168; TYR:168; GLY:154; SER:154; ASP:144; ASN:112

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3K7OContacts14
PoseOpen native poseHB0
IFP residues
ARG137 ARG141 ASN103 HIS102 HIS138 ASP10 CYS69 GLY70 GLY74 HIS11 ILE73 PRO12 SER71 TYR46
Current overlap10Native recall0.71
Jaccard0.53RMSD-
HB strict3Strict recall0.25
HB same residue+role3HB role recall0.33
HB same residue4HB residue recall0.50

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

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 10 0.71 0.33 - no Current
609 3.0159037591829456 -1.44252 -25.0979 8 12 0 0.00 0.00 - no Open
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 0 0.00 0.00 - 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 -22.634kcal/mol
Ligand efficiency (LE) -1.1912kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.764
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 19HA

Physicochemical properties

Molecular weight 254.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.00
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 9.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 32.81kcal/mol
Minimised FF energy 23.11kcal/mol

SASA & burial

✓ computed
SASA (unbound) 459.5Ų
Total solvent-accessible surface area of free ligand
BSA total 398.4Ų
Buried surface area upon binding
BSA apolar 285.4Ų
Hydrophobic contacts buried
BSA polar 113.1Ų
Polar contacts buried
Fraction buried 86.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2056.9Ų
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 2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 769.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)