FAIRMol

OHD_MAC_67

Pose ID 11909 Compound 3310 Pose 388

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 OHD_MAC_67
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
29.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.85, Jaccard 0.58
Burial
70%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
1 protein-contact clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
Yes
ADMET alerts (in-silico)
hERG High Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.653 kcal/mol/HA) ✓ Good fit quality (FQ -6.47) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ High strain energy (29.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-21.537
kcal/mol
LE
-0.653
kcal/mol/HA
Fit Quality
-6.47
FQ (Leeson)
HAC
33
heavy atoms
MW
476
Da
LogP
4.69
cLogP
Final rank
2.7533
rank score
Inter norm
-0.694
normalised
Contacts
17
H-bonds 4
Strain ΔE
29.4 kcal/mol
SASA buried
70%
Lipo contact
84% BSA apolar/total
SASA unbound
703 Ų
Apolar buried
409 Ų

Interaction summary

HBD 2 HY 5 PI 4 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: permissive. Residues: 2.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

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 overlap11Native recall0.85
Jaccard0.58RMSD-
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
388 2.753265285932355 -0.694431 -21.5369 4 17 11 0.85 - - no Current
480 2.8695446738657138 -0.802467 -9.36554 4 18 0 0.00 - - no Open
379 2.8925673289428824 -0.879413 -26.0521 3 18 0 0.00 - - no Open
355 4.690394542649569 -0.728948 -16.116 8 14 0 0.00 - - no Open
349 4.975775818758638 -0.940274 -23.1449 11 24 0 0.00 - - no Open
377 5.371363205795083 -0.825457 -20.8628 12 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 -21.537kcal/mol
Ligand efficiency (LE) -0.6526kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.475
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 475.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.69
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.43kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 87.95kcal/mol
Minimised FF energy 58.52kcal/mol

SASA & burial

✓ computed
SASA (unbound) 702.7Ų
Total solvent-accessible surface area of free ligand
BSA total 488.6Ų
Buried surface area upon binding
BSA apolar 409.4Ų
Hydrophobic contacts buried
BSA polar 79.3Ų
Polar contacts buried
Fraction buried 69.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3132.3Ų
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 1521.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)