FAIRMol

Z49633576

Pose ID 12806 Compound 992 Pose 605

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 Z49633576
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
74.0 kcal/mol
Protein clashes
4
Internal clashes
5
Native overlap
contact recall 0.37, Jaccard 0.26, H-bond role recall 0.40
Burial
94%
Hydrophobic fit
62%
Reason: strain 74.0 kcal/mol
strain ΔE 74.0 kcal/mol 4 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.110 kcal/mol/HA) ✓ Good fit quality (FQ -10.71) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (62%) ✗ Extreme strain energy (74.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-33.304
kcal/mol
LE
-1.110
kcal/mol/HA
Fit Quality
-10.71
FQ (Leeson)
HAC
30
heavy atoms
MW
439
Da
LogP
1.07
cLogP
Strain ΔE
74.0 kcal/mol
SASA buried
94%
Lipo contact
62% BSA apolar/total
SASA unbound
634 Ų
Apolar buried
370 Ų

Interaction summary

HB 11 HY 20 PI 0 CLASH 5
Final rank4.435Score-33.304
Inter norm-1.225Intra norm0.115
Top1000noExcludedno
Contacts22H-bonds11
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 74.0
Residues
ALA363 ALA365 ARG287 ASP327 CYS52 CYS57 GLY56 ILE199 LEU334 LYS60 MET333 NDP800 PHE198 PHE367 PRO336 SER14 SER178 SER364 THR335 THR51 VAL366 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 overlap10Native recall0.37
Jaccard0.26RMSD-
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
592 1.088467834021099 -1.21638 -35.5119 11 17 0 0.00 0.00 - no Open
591 1.279920394623608 -0.958585 -27.9306 8 14 0 0.00 0.00 - no Open
614 2.169494058727323 -0.722846 -19.1394 4 9 0 0.00 0.00 - no Open
614 2.3485621669480374 -0.756077 -21.8538 8 17 0 0.00 0.00 - no Open
608 2.3978756382173834 -0.914409 -20.3444 11 15 0 0.00 0.00 - no Open
607 2.7193451061352016 -1.01606 -22.4387 11 12 0 0.00 0.00 - no Open
599 3.151702278102694 -0.858251 -17.4184 6 18 0 0.00 0.00 - no Open
605 4.43482713094104 -1.22494 -33.3039 11 22 10 0.37 0.40 - no Current
602 4.713471072673453 -1.10206 -23.637 16 19 0 0.00 0.00 - no Open
613 5.4625540130581856 -1.04999 -29.3846 12 17 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 -33.304kcal/mol
Ligand efficiency (LE) -1.1101kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.709
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 439.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.07
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 73.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 107.32kcal/mol
Minimised FF energy 33.33kcal/mol

SASA & burial

✓ computed
SASA (unbound) 634.3Ų
Total solvent-accessible surface area of free ligand
BSA total 599.4Ų
Buried surface area upon binding
BSA apolar 370.0Ų
Hydrophobic contacts buried
BSA polar 229.4Ų
Polar contacts buried
Fraction buried 94.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 61.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2980.3Ų
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 1479.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)