FAIRMol

Z30201775

Pose ID 12801 Compound 1179 Pose 600

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T19
T. brucei TR (NADPH binding site) T. brucei NADPH binding site
Ligand Z30201775
PDB2WOV

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
31.4 kcal/mol
Protein clashes
1
Internal clashes
4
Native overlap
contact recall 0.41, Jaccard 0.38, H-bond role recall 0.60
Burial
60%
Hydrophobic fit
86%
Reason: no major geometry red flags detected
1 protein-contact clashes 4 intramolecular clashes 46% of hydrophobic surface appears solvent-exposed (13/28 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.882 kcal/mol/HA) ✓ Good fit quality (FQ -9.03) ✓ Strong H-bond network (7 bonds) ✓ Good burial (60% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Very high strain energy (31.4 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (19)
Score
-32.639
kcal/mol
LE
-0.882
kcal/mol/HA
Fit Quality
-9.03
FQ (Leeson)
HAC
37
heavy atoms
MW
510
Da
LogP
4.78
cLogP
Strain ΔE
31.4 kcal/mol
SASA buried
60%
Lipo contact
86% BSA apolar/total
SASA unbound
843 Ų
Apolar buried
433 Ų

Interaction summary

HB 7 HY 13 PI 1 CLASH 4 ⚠ Exposure 46%
⚠️Partial hydrophobic solvent exposure
46% of hydrophobic surface appears solvent-exposed (13/28 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 28 Buried (contacted) 15 Exposed 13 LogP 4.78 H-bonds 7
Exposed fragments: phenyl (4/6 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank1.913Score-32.639
Inter norm-0.920Intra norm0.037
Top1000noExcludedno
Contacts13H-bonds7
Artifact reasongeometry warning; 19 clashes; 4 protein contact clashes; 1 severe cofactor-context clash; high strain Δ 31.4
Residues
ARG222 ARG228 GLN165 GLY196 GLY197 GLY286 ILE285 LEU227 LEU332 MET333 NDP800 PHE198 PHE230

Protein summary

493 residues
Protein targetT19Atoms7541
Residues493Chains1
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:330; 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
C:NDP800

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name2WOVContacts27
PoseOpen native poseHB0
IFP residues
ALA284 ALA365 ARG222 ARG228 ARG287 ASN223 ASN254 GLN165 GLU202 GLY195 GLY196 GLY197 GLY286 ILE199 ILE285 LEU227 LEU334 LYS60 MET333 NDP800 PHE198 PHE367 PRO167 SER200 TYR221 VAL194 VAL366
Current overlap11Native recall0.41
Jaccard0.38RMSD-
HB strict2Strict recall0.17
HB same residue+role3HB role recall0.60
HB same residue2HB 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
600 1.7891122435833013 -0.850133 -27.6099 4 17 0 0.00 0.00 - no Open
611 1.8854541359846666 -0.744048 -18.7794 1 19 0 0.00 0.00 - no Open
600 1.912824126418511 -0.919529 -32.6385 7 13 11 0.41 0.60 - no Current
595 2.3928452038013317 -0.722626 -24.9806 6 18 0 0.00 0.00 - no Open
588 2.9213174943752986 -0.78739 -27.4334 4 14 0 0.00 0.00 - no Open
603 3.4725507700301645 -0.556151 -19.3613 3 13 0 0.00 0.00 - no Open
585 3.5413949258232296 -0.711709 -22.3977 8 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 -32.639kcal/mol
Ligand efficiency (LE) -0.8821kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.031
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 509.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.78
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -11.52kcal/mol
Minimised FF energy -42.95kcal/mol

SASA & burial

✓ computed
SASA (unbound) 842.6Ų
Total solvent-accessible surface area of free ligand
BSA total 504.0Ų
Buried surface area upon binding
BSA apolar 433.4Ų
Hydrophobic contacts buried
BSA polar 70.6Ų
Polar contacts buried
Fraction buried 59.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3200.1Ų
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 4064.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1581.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)