FAIRMol

Z57009636

Pose ID 11479 Compound 2680 Pose 636

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand Z57009636
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
10.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.42, Jaccard 0.23, H-bond role recall 1.00
Burial
80%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.815 kcal/mol/HA) ✓ Good fit quality (FQ -7.20) ✓ Good H-bonds (4 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Moderate strain (10.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-18.751
kcal/mol
LE
-0.815
kcal/mol/HA
Fit Quality
-7.20
FQ (Leeson)
HAC
23
heavy atoms
MW
315
Da
LogP
1.60
cLogP
Final rank
1.9065
rank score
Inter norm
-0.990
normalised
Contacts
15
H-bonds 5
Strain ΔE
10.9 kcal/mol
SASA buried
80%
Lipo contact
80% BSA apolar/total
SASA unbound
573 Ų
Apolar buried
368 Ų

Interaction summary

HBD 2 HBA 2 HY 5 PI 1 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: permissive. Residues: 3.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap5Native recall0.42
Jaccard0.23RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 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 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
623 -0.21493581621955696 -1.3166 -29.3146 4 16 0 0.00 0.00 - no Open
636 1.9065028710157321 -0.990453 -18.7513 5 15 5 0.42 1.00 - no Current
638 2.078718061437694 -1.03904 -19.278 6 14 0 0.00 0.00 - no Open
640 2.4645938733667183 -1.04408 -17.2106 10 13 0 0.00 0.00 - no Open
629 3.425746121157447 -1.25604 -25.7731 12 17 0 0.00 0.00 - no Open
625 3.6012935560196184 -1.2648 -22.3059 11 17 0 0.00 0.00 - no Open
648 4.1058842412556915 -1.39928 -29.419 12 18 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 -18.751kcal/mol
Ligand efficiency (LE) -0.8153kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.195
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 315.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.60
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 10.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 79.78kcal/mol
Minimised FF energy 68.88kcal/mol

SASA & burial

✓ computed
SASA (unbound) 573.3Ų
Total solvent-accessible surface area of free ligand
BSA total 457.4Ų
Buried surface area upon binding
BSA apolar 368.4Ų
Hydrophobic contacts buried
BSA polar 89.1Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6426.9Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2089.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)