FAIRMol

NMT-TY0662

Pose ID 11854 Compound 3608 Pose 333

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T18
T. brucei TR (Mepacrine binding site (MBS, site 1)) T. brucei Mepacrine binding site (MBS, site 1)
Ligand NMT-TY0662
PDB6RB5

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
30.0 kcal/mol
Protein clashes
5
Internal clashes
8
Native overlap
contact recall 0.54, Jaccard 0.47
Burial
69%
Hydrophobic fit
60%
Reason: 8 internal clashes
5 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.813 kcal/mol/HA) ✓ Good fit quality (FQ -7.17) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (69% SASA buried) ✗ Very high strain energy (30.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (8)
Score
-18.696
kcal/mol
LE
-0.813
kcal/mol/HA
Fit Quality
-7.17
FQ (Leeson)
HAC
23
heavy atoms
MW
339
Da
LogP
-0.60
cLogP
Strain ΔE
30.0 kcal/mol
SASA buried
69%
Lipo contact
60% BSA apolar/total
SASA unbound
538 Ų
Apolar buried
221 Ų

Interaction summary

HB 11 HY 14 PI 2 CLASH 0
Final rank0.973Score-18.696
Inter norm-0.908Intra norm0.096
Top1000noExcludedno
Contacts9H-bonds7
Artifact reasongeometry warning; 8 clashes; 5 protein contact clashes; high strain Δ 30.0
Residues
GLU18 ILE339 LEU17 MET113 SER109 SER14 THR335 TRP21 TYR110

Protein summary

493 residues
Protein targetT18Atoms7550
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: permissive.
Name6RB5Contacts13
PoseOpen native poseHB0
IFP residues
ASP116 GLU18 GLY112 ILE106 LEU17 MET113 SER109 THR117 THR335 TRP21 TYR110 VAL53 VAL58
Current overlap7Native recall0.54
Jaccard0.47RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

HB · H-bonds

Mode: permissive. 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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
314 0.5830381536909487 -1.04181 -23.0673 5 15 0 0.00 - - no Open
333 0.9733101179093773 -0.908412 -18.6961 7 9 7 0.54 - - no Current
311 1.3217602217415956 -0.91107 -18.479 8 9 7 0.54 - - no Open
315 2.5490921636830532 -1.06419 -25.9922 10 15 0 0.00 - - no Open
399 2.564496477601504 -1.01598 -21.549 10 10 0 0.00 - - no Open
282 4.379667419655693 -1.40933 -26.968 16 20 0 0.00 - - no Open
300 4.737160626904453 -1.37439 -30.006 16 19 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 -18.696kcal/mol
Ligand efficiency (LE) -0.8129kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.174
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 339.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.60
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.01kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -86.60kcal/mol
Minimised FF energy -116.61kcal/mol

SASA & burial

✓ computed
SASA (unbound) 537.7Ų
Total solvent-accessible surface area of free ligand
BSA total 370.6Ų
Buried surface area upon binding
BSA apolar 221.4Ų
Hydrophobic contacts buried
BSA polar 149.3Ų
Polar contacts buried
Fraction buried 68.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 59.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2947.4Ų
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 4076.6Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1460.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)