FAIRMol

NMT-TY0970

Pose ID 13900 Compound 505 Pose 342

DB SELECTIONDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T21
T. cruzi R5P T. cruzi
Ligand NMT-TY0970
PDB3K7O↗

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
76.2 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 1.00, Jaccard 0.93, H-bond role recall 0.78
Burial
72%
Hydrophobic fit
45%
Reason: strain 76.2 kcal/mol
strain ΔE 76.2 kcal/mol 4 protein-contact clashes 4 intramolecular clashes 58% of hydrophobic surface appears solvent-exposed (7/12 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.016 kcal/mol/HA) ✓ Good fit quality (FQ -9.36) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (72% SASA buried) ✗ Extreme strain energy (76.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-26.413
kcal/mol
LE
-1.016
kcal/mol/HA
Fit Quality
-9.36
FQ (Leeson)
HAC
26
heavy atoms
MW
402
Da
LogP
0.13
cLogP
Strain ΔE
76.2 kcal/mol
SASA buried
72%
Lipo contact
45% BSA apolar/total
SASA unbound
596 Ų
Apolar buried
193 Ų

Interaction summary

HB 16 HY 2 PI 2 CLASH 4 ⚠ Exposure 58%

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
⚠️Partial hydrophobic solvent exposure
58% of hydrophobic surface appears solvent-exposed (7/12 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 12 Buried (contacted) 5 Exposed 7 LogP 0.13 H-bonds 16
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank3.536Score-26.413
Inter norm-0.937Intra norm-0.079
Top1000noExcludedno
Contacts15H-bonds16
Artifact reasongeometry warning; 10 clashes; 1 protein clash; high strain Δ 76.2
Residues
ARG137 ARG141 ASN103 HIS102 HIS138 ASP10 CYS69 GLY70 GLY72 GLY74 HIS11 ILE73 PRO12 SER71 TYR46

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 overlap14Native recall1.00
Jaccard0.93RMSD-
HB strict10Strict recall0.83
HB same residue+role7HB role recall0.78
HB same residue7HB residue recall0.88

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
409 2.8379320715057856 -0.987578 -25.03 10 13 0 0.00 0.00 - no Open
342 3.53598991674801 -0.936507 -26.4134 16 15 14 1.00 0.78 - no Current
336 5.033199815846234 -1.02327 -27.4899 11 14 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 -26.413kcal/mol
Ligand efficiency (LE) -1.0159kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.360
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties
Molecular weight 402.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.13
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)
Strain energy (ΔE) 76.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 7.32kcal/mol
Minimised FF energy -68.91kcal/mol

SASA & burial

✓ computed
SASA (unbound) 595.6Ų
Total solvent-accessible surface area of free ligand
BSA total 429.4Ų
Buried surface area upon binding
BSA apolar 192.9Ų
Hydrophobic contacts buried
BSA polar 236.5Ų
Polar contacts buried
Fraction buried 72.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 44.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2045.2Ų
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 2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 758.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)