FAIRMol

Z151832316

Pose ID 10791 Compound 128 Pose 626

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T16
T. brucei TR (Dimer interface (site 2)) T. brucei Dimer interface (site 2)
Ligand Z151832316
PDB6RB5

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 strong SASA done
Strain ΔE
27.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.58, Jaccard 0.32
Burial
80%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.902 kcal/mol/HA) ✓ Good fit quality (FQ -8.70) ✓ Good H-bonds (5 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ High strain energy (27.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (9)
Score
-27.062
kcal/mol
LE
-0.902
kcal/mol/HA
Fit Quality
-8.70
FQ (Leeson)
HAC
30
heavy atoms
MW
458
Da
LogP
4.80
cLogP
Strain ΔE
27.9 kcal/mol
SASA buried
80%
Lipo contact
70% BSA apolar/total
SASA unbound
712 Ų
Apolar buried
398 Ų

Interaction summary

HB 5 HY 24 PI 1 CLASH 1
Final rank1.124Score-27.062
Inter norm-0.831Intra norm-0.071
Top1000noExcludedno
Contacts17H-bonds5
Artifact reasongeometry warning; 9 clashes; 5 protein contact clashes; moderate strain Δ 27.9
Residues
ALA209 ALA67 ALA90 ASN91 GLY66 LEU73 LYS211 LYS89 LYS93 MET70 PRO187 PRO212 PRO213 TRP92 TYR210 TYR69 VAL88

Protein summary

493 residues
Protein targetT16Atoms7551
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:319; TYR:294; ASP:276; 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
A:FAD501

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6RB5Contacts12
PoseOpen native poseHB0
IFP residues
ALA90 ARG74 GLY85 LEU73 LYS89 MET70 PHE83 PRO212 PRO213 SER86 SER87 VAL88
Current overlap7Native recall0.58
Jaccard0.32RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
638 0.34325018158882725 -0.807998 -21.4581 1 12 0 0.00 - - no Open
623 0.39759002964385937 -0.907597 -28.7047 4 18 0 0.00 - - no Open
626 1.1227923024226714 -1.1074 -32.2501 5 18 0 0.00 - - no Open
626 1.1240171034297752 -0.831029 -27.0616 5 17 7 0.58 - - no Current
630 1.7563715265578972 -0.846368 -25.076 4 14 0 0.00 - - no Open
646 2.8590489487856874 -0.784314 -23.0842 6 16 0 0.00 - - no Open
639 3.474974056717497 -0.915663 -28.6397 5 9 0 0.00 - - no Open
649 3.8018158212879913 -0.815353 -24.1731 5 14 0 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 -27.062kcal/mol
Ligand efficiency (LE) -0.9021kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.701
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 457.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.80
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.95kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 35.89kcal/mol
Minimised FF energy 7.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 711.9Ų
Total solvent-accessible surface area of free ligand
BSA total 569.0Ų
Buried surface area upon binding
BSA apolar 397.6Ų
Hydrophobic contacts buried
BSA polar 171.5Ų
Polar contacts buried
Fraction buried 79.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3138.2Ų
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 4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1441.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)