FAIRMol

Z56815073

Pose ID 10142 Compound 318 Pose 656

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T15
T. brucei TR (Dimer cleft site) T. brucei Dimer cleft site
Ligand Z56815073
PDB9IFF

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
34.0 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.92, Jaccard 0.63
Burial
78%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.769 kcal/mol/HA) ✓ Good fit quality (FQ -7.56) ✓ Good H-bonds (3 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Very high strain energy (34.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (14)
Score
-24.609
kcal/mol
LE
-0.769
kcal/mol/HA
Fit Quality
-7.56
FQ (Leeson)
HAC
32
heavy atoms
MW
569
Da
LogP
5.67
cLogP
Strain ΔE
34.0 kcal/mol
SASA buried
78%
Lipo contact
83% BSA apolar/total
SASA unbound
756 Ų
Apolar buried
488 Ų

Interaction summary

HB 3 HY 24 PI 2 CLASH 5
Final rank1.765Score-24.609
Inter norm-0.867Intra norm0.098
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 14 clashes; 7 protein contact clashes; high strain Δ 33.9
Residues
ALA209 ALA77 ALA90 ARG74 ASN208 GLU82 GLY214 GLY85 LEU73 LYS211 LYS89 MET70 PHE83 PRO212 PRO213 SER76 TRP81 VAL88

Protein summary

489 residues
Protein targetT15Atoms7420
Residues489Chains1
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:264; MET:204

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name9IFFContacts13
PoseOpen native poseHB0
IFP residues
ALA209 ARG74 ASN208 GLY214 GLY215 GLY85 LEU73 LYS211 MET70 PHE83 PRO212 PRO213 VAL88
Current overlap12Native recall0.92
Jaccard0.63RMSD-
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
662 0.6661725537921506 -1.04002 -28.6522 3 19 0 0.00 - - no Open
659 0.7707737947628458 -0.753505 -21.1708 0 16 0 0.00 - - no Open
652 0.8225922751736459 -1.01993 -29.9798 1 17 0 0.00 - - no Open
642 1.139808952940768 -0.847734 -26.7285 5 14 0 0.00 - - no Open
656 1.7653889637304623 -0.867492 -24.6089 3 18 12 0.92 - - no Current
655 1.8473635475241321 -1.0072 -32.0974 3 18 0 0.00 - - no Open
638 1.9648568381193203 -0.927569 -29.9449 4 16 0 0.00 - - no Open
645 2.1923496622071084 -0.758001 -17.56 2 18 0 0.00 - - no Open
661 2.2567473265764555 -0.765666 -25.1725 7 20 0 0.00 - - no Open
641 2.292373942513122 -0.725642 -22.2969 4 13 0 0.00 - - no Open
641 2.2974884616866427 -0.933418 -28.8424 4 19 0 0.00 - - no Open
654 3.071439811116401 -0.870778 -29.2301 13 16 0 0.00 - - no Open
659 3.8692944863611776 -0.656079 -21.7278 6 10 0 0.00 - - no Open
660 3.931763085408765 -0.81696 -27.3427 3 19 0 0.00 - - no Open
666 5.297500006745246 -0.919049 -23.1364 13 21 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 -24.609kcal/mol
Ligand efficiency (LE) -0.7690kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.563
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 568.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.67
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 36.14kcal/mol
Minimised FF energy 2.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 756.5Ų
Total solvent-accessible surface area of free ligand
BSA total 590.5Ų
Buried surface area upon binding
BSA apolar 487.5Ų
Hydrophobic contacts buried
BSA polar 103.0Ų
Polar contacts buried
Fraction buried 78.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3025.0Ų
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 4005.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1565.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)