FAIRMol

6RB5

Pose ID 12201 Compound 4699

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 6RB5
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
Likely artefact or unreliable pose
Binding weak Geometry low Native strong SASA done
Strain ΔE
77.7 kcal/mol
Protein clashes
0
Internal clashes
0
Native overlap
contact recall 1.00, Jaccard 1.00
Burial
53%
Hydrophobic fit
100%
Reason: strain 77.7 kcal/mol
strain ΔE 77.7 kcal/mol
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good burial (53% SASA buried) ✓ Lipophilic contacts well-matched (100%) ✗ Extreme strain energy (77.7 kcal/mol) ✗ No H-bonds detected
HAC
44
heavy atoms
MW
611
Da
LogP
0.27
cLogP
Strain ΔE
77.7 kcal/mol
SASA buried
53%
Lipo contact
100% BSA apolar/total
SASA unbound
900 Ų
Apolar buried
471 Ų

Interaction summary

HB 0 HY 24 PI 1 CLASH 0
Final rank-Score-
Inter norm-Intra norm-
Top1000noExcludedno
Contacts13H-bonds0
Artifact reasonNative reference ligand
Residues
ASP116 GLU18 GLY112 ILE106 LEU17 MET113 SER109 THR117 THR335 TRP21 TYR110 VAL53 VAL58

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: strict.
Name6RB5Contacts13
PoseOpen native poseHB0
IFP residues
ASP116 GLU18 GLY112 ILE106 LEU17 MET113 SER109 THR117 THR335 TRP21 TYR110 VAL53 VAL58
Current overlap13Native recall1.00
Jaccard1.00RMSD0.00 Å
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

HB · H-bonds

No hb · h-bonds detected for this pose.

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
- - - - 0 12 0 0.00 - - no Open
- ★ Native - - - 0 13 13 1.00 - 0.00 Å no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Heavy atom count 44HA

Physicochemical properties

Molecular weight 610.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.27
Lipinski: ≤ 5
Rotatable bonds 14

Conformational strain (MMFF94s)

Strain energy (ΔE) 77.75kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 70.21kcal/mol
Minimised FF energy -7.53kcal/mol

SASA & burial

✓ computed
SASA (unbound) 900.3Ų
Total solvent-accessible surface area of free ligand
BSA total 473.8Ų
Buried surface area upon binding
BSA apolar 471.4Ų
Hydrophobic contacts buried
BSA polar 2.4Ų
Polar contacts buried
Fraction buried 52.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 99.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3501.7Ų
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 1444.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)