FAIRMol

Z25831027

Pose ID 12797 Compound 1800 Pose 596

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 Z25831027
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
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
57.1 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.30, Jaccard 0.21, H-bond role recall 0.40
Burial
92%
Hydrophobic fit
72%
Reason: strain 57.1 kcal/mol
strain ΔE 57.1 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.148 kcal/mol/HA) ✓ Good fit quality (FQ -10.71) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Extreme strain energy (57.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-30.989
kcal/mol
LE
-1.148
kcal/mol/HA
Fit Quality
-10.71
FQ (Leeson)
HAC
27
heavy atoms
MW
374
Da
LogP
1.97
cLogP
Strain ΔE
57.1 kcal/mol
SASA buried
92%
Lipo contact
72% BSA apolar/total
SASA unbound
626 Ų
Apolar buried
416 Ų

Interaction summary

HB 11 HY 17 PI 0 CLASH 3
Final rank3.741Score-30.989
Inter norm-1.152Intra norm0.004
Top1000noExcludedno
Contacts19H-bonds11
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; 1 severe cofactor-context clash; high strain Δ 57.1
Residues
ALA363 ALA365 ARG287 CYS57 GLY56 ILE199 LEU334 LYS60 MET333 NDP800 PHE182 PHE203 PHE367 PRO336 SER178 SER364 THR335 THR51 VAL55

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 overlap8Native recall0.30
Jaccard0.21RMSD-
HB strict2Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue1HB residue recall0.25

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
587 1.0300070261286374 -0.842181 -18.9797 6 20 0 0.00 0.00 - no Open
152 1.2038171119593215 -0.836055 -19.0197 6 20 0 0.00 0.00 - no Open
596 1.401669115485946 -1.0034 -19.8522 4 14 0 0.00 0.00 - no Open
85 1.8785913278857078 -0.962909 -20.2123 4 14 0 0.00 0.00 - no Open
128 3.7195514082044556 -1.15288 -31.0223 9 19 8 0.30 0.40 - no Open
596 3.7411352647708025 -1.15182 -30.9892 11 19 8 0.30 0.40 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -30.989kcal/mol
Ligand efficiency (LE) -1.1477kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.708
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 374.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.97
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 57.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -31.97kcal/mol
Minimised FF energy -89.06kcal/mol

SASA & burial

✓ computed
SASA (unbound) 626.0Ų
Total solvent-accessible surface area of free ligand
BSA total 573.8Ų
Buried surface area upon binding
BSA apolar 415.5Ų
Hydrophobic contacts buried
BSA polar 158.2Ų
Polar contacts buried
Fraction buried 91.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3059.5Ų
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 1464.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)