FAIRMol

OHD_TC1_106

Pose ID 11595 Compound 4841 Pose 74

DB fairmolDocking 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 OHD_TC1_106
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
12.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.69, Jaccard 0.56
Burial
62%
Hydrophobic fit
87%
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 (-0.613 kcal/mol/HA) ✓ Good fit quality (FQ -6.03) ✓ Good H-bonds (3 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (87%) ✗ Moderate strain (12.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (11)
Score
-19.623
kcal/mol
LE
-0.613
kcal/mol/HA
Fit Quality
-6.03
FQ (Leeson)
HAC
32
heavy atoms
MW
437
Da
LogP
5.34
cLogP
Strain ΔE
12.7 kcal/mol
SASA buried
62%
Lipo contact
87% BSA apolar/total
SASA unbound
707 Ų
Apolar buried
385 Ų

Interaction summary

HB 3 HY 18 PI 2 CLASH 1

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

Final rank1.052Score-19.623
Inter norm-0.650Intra norm0.037
Top1000noExcludedno
Contacts12H-bonds3
Artifact reasongeometry warning; 11 clashes; 2 protein contact clashes
Residues
ASP116 GLU18 GLY112 ILE339 LEU17 MET113 SER109 SER14 THR117 THR25 TRP21 TYR110

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 overlap9Native recall0.69
Jaccard0.56RMSD-
HB strict0Strict recall-
HB same residue+role0HB role recall-
HB same residue0HB residue recall-

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
74 1.0521565473392795 -0.650086 -19.6234 3 12 9 0.69 - - no Current
55 3.493110539012185 -0.984406 -33.0233 3 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 -19.623kcal/mol
Ligand efficiency (LE) -0.6132kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.031
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 437.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.34
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 12.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 2.87kcal/mol
Minimised FF energy -9.79kcal/mol

SASA & burial

✓ computed
SASA (unbound) 706.7Ų
Total solvent-accessible surface area of free ligand
BSA total 441.4Ų
Buried surface area upon binding
BSA apolar 385.0Ų
Hydrophobic contacts buried
BSA polar 56.5Ų
Polar contacts buried
Fraction buried 62.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3125.4Ų
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 1580.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)