FAIRMol

ulfkktlib_2004

Pose ID 12409 Compound 5185 Pose 208

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 ulfkktlib_2004
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
63.1 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.26, Jaccard 0.16, H-bond role recall 0.40
Burial
94%
Hydrophobic fit
70%
Reason: strain 63.1 kcal/mol
strain ΔE 63.1 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Daphnia EC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Algae IC₅₀
Cat. 3 — Harmful (10–100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG High Ames Clear DILI Low
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.723 kcal/mol/HA) ✓ Good fit quality (FQ -7.34) ✓ Good H-bonds (4 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Extreme strain energy (63.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (21)
Score
-26.018
kcal/mol
LE
-0.723
kcal/mol/HA
Fit Quality
-7.34
FQ (Leeson)
HAC
36
heavy atoms
MW
492
Da
LogP
3.28
cLogP
Final rank
6.0025
rank score
Inter norm
-0.862
normalised
Contacts
23
H-bonds 11
Strain ΔE
63.1 kcal/mol
SASA buried
94%
Lipo contact
70% BSA apolar/total
SASA unbound
773 Ų
Apolar buried
509 Ų

Interaction summary

HBA 4 HY 10 PI 0 CLASH 5

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 2.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

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
Jaccard0.16RMSD-
HB strict2Strict recall0.17
HB same residue+role2HB role recall0.40
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
212 4.779068009029588 -0.995801 -30.027 10 21 7 0.26 0.20 - no Open
208 6.002465471836098 -0.861596 -26.0177 11 23 7 0.26 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 -26.018kcal/mol
Ligand efficiency (LE) -0.7227kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.345
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 492.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.28
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 63.12kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 77.31kcal/mol
Minimised FF energy 14.19kcal/mol

SASA & burial

✓ computed
SASA (unbound) 773.1Ų
Total solvent-accessible surface area of free ligand
BSA total 730.7Ų
Buried surface area upon binding
BSA apolar 508.7Ų
Hydrophobic contacts buried
BSA polar 222.1Ų
Polar contacts buried
Fraction buried 94.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3132.6Ų
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 1474.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)