FAIRMol

Z29466897

Pose ID 12681 Compound 3918 Pose 480

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 Z29466897
PDB2WOV

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
30.0 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.26, Jaccard 0.19, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.427 kcal/mol/HA) ✓ Good fit quality (FQ -12.97) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Very high strain energy (30.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Many internal clashes (10)
Score
-35.663
kcal/mol
LE
-1.427
kcal/mol/HA
Fit Quality
-12.97
FQ (Leeson)
HAC
25
heavy atoms
MW
349
Da
LogP
2.43
cLogP
Strain ΔE
30.0 kcal/mol
SASA buried
88%
Lipo contact
70% BSA apolar/total
SASA unbound
562 Ų
Apolar buried
349 Ų

Interaction summary

HB 8 HY 19 PI 2 CLASH 2

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

Final rank1.178Score-35.663
Inter norm-1.342Intra norm-0.084
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 10 clashes; 8 protein contact clashes; high strain Δ 30.0
Residues
ALA365 CYS57 GLU202 GLY56 ILE199 LEU334 LYS60 LYS61 NDP800 PHE182 PHE203 PHE367 PRO336 SER178 SER364 THR335 THR51

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 overlap7Native recall0.26
Jaccard0.19RMSD-
HB strict1Strict recall0.08
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.25

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
480 1.1779370265296099 -1.34243 -35.6626 8 17 7 0.26 0.20 - no Current
499 1.5926376860446014 -0.835843 -26.5148 10 8 0 0.00 0.00 - no Open
79 1.8700705262766413 -1.33218 -33.8612 8 16 6 0.22 0.20 - no Open
112 2.7308188656536694 -0.835416 -15.7613 9 8 0 0.00 0.00 - no Open
61 2.8164757275131813 -1.208 -40.2703 14 13 0 0.00 0.00 - no Open
69 3.834668592548584 -1.14556 -29.3213 11 17 0 0.00 0.00 - no Open
481 3.9191761234848834 -1.15042 -31.911 12 17 0 0.00 0.00 - no Open
500 4.3128468703548055 -1.19922 -39.0386 12 15 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 -35.663kcal/mol
Ligand efficiency (LE) -1.4265kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.968
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 349.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.43
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.02kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 48.80kcal/mol
Minimised FF energy 18.78kcal/mol

SASA & burial

✓ computed
SASA (unbound) 561.7Ų
Total solvent-accessible surface area of free ligand
BSA total 496.5Ų
Buried surface area upon binding
BSA apolar 348.7Ų
Hydrophobic contacts buried
BSA polar 147.8Ų
Polar contacts buried
Fraction buried 88.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2997.3Ų
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 4064.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1469.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)