FAIRMol

Z49894309

Pose ID 12777 Compound 2288 Pose 576

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 Z49894309
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 high Native mixed SASA done
Strain ΔE
18.4 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.30, Jaccard 0.23, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
1 protein-contact clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Low
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.222 kcal/mol/HA) ✓ Good fit quality (FQ -11.11) ✓ Good H-bonds (3 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Moderate strain (18.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-30.539
kcal/mol
LE
-1.222
kcal/mol/HA
Fit Quality
-11.11
FQ (Leeson)
HAC
25
heavy atoms
MW
354
Da
LogP
3.73
cLogP
Final rank
1.7780
rank score
Inter norm
-1.288
normalised
Contacts
16
H-bonds 5
Strain ΔE
18.4 kcal/mol
SASA buried
93%
Lipo contact
74% BSA apolar/total
SASA unbound
576 Ų
Apolar buried
393 Ų

Interaction summary

HBA 3 HY 5 PI 0 CLASH 2

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 overlap8Native recall0.30
Jaccard0.23RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
574 1.1312051985470015 -0.939435 -19.2616 2 15 0 0.00 0.00 - no Open
576 1.7780358649461194 -1.28763 -30.539 5 16 8 0.30 0.00 - no Current
602 2.0507560126483133 -1.01307 -21.9618 11 15 0 0.00 0.00 - no Open
600 2.1388450417912015 -0.969677 -24.1377 7 14 0 0.00 0.00 - no Open
571 3.941488146223378 -1.11702 -30.045 6 14 0 0.00 0.00 - no Open
573 4.1861124646984695 -1.10317 -24.9592 7 13 0 0.00 0.00 - no Open
591 4.274920705282722 -0.942757 -23.3028 7 11 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 -30.539kcal/mol
Ligand efficiency (LE) -1.2216kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.105
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 354.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.73
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 64.37kcal/mol
Minimised FF energy 46.00kcal/mol

SASA & burial

✓ computed
SASA (unbound) 575.5Ų
Total solvent-accessible surface area of free ligand
BSA total 533.8Ų
Buried surface area upon binding
BSA apolar 393.4Ų
Hydrophobic contacts buried
BSA polar 140.4Ų
Polar contacts buried
Fraction buried 92.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3021.4Ų
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 1477.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)