FAIRMol

OHD_MAC_48

Pose ID 7791 Compound 2316 Pose 339

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T12
T. brucei R5P T. brucei
Ligand OHD_MAC_48
PDB6FXS

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 strong SASA done
Strain ΔE
59.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 1.00, Jaccard 0.84, H-bond role recall 0.60
Burial
70%
Hydrophobic fit
79%
Reason: strain 59.7 kcal/mol
strain ΔE 59.7 kcal/mol 1 protein-contact clashes 39% of hydrophobic surface appears solvent-exposed (9/23 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.727 kcal/mol/HA) ✓ Good fit quality (FQ -7.28) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (59.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-24.722
kcal/mol
LE
-0.727
kcal/mol/HA
Fit Quality
-7.28
FQ (Leeson)
HAC
34
heavy atoms
MW
464
Da
LogP
0.01
cLogP
Strain ΔE
59.7 kcal/mol
SASA buried
70%
Lipo contact
79% BSA apolar/total
SASA unbound
788 Ų
Apolar buried
433 Ų

Interaction summary

HB 12 HY 7 PI 5 CLASH 1 ⚠ Exposure 39%

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

⚠️Partial hydrophobic solvent exposure
39% of hydrophobic surface appears solvent-exposed (9/23 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 23 Buried (contacted) 14 Exposed 9 LogP 0.01 H-bonds 12
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank4.791Score-24.722
Inter norm-0.943Intra norm0.214
Top1000noExcludedno
Contacts19H-bonds12
Artifact reasongeometry warning; 15 clashes; 3 protein clashes; high strain Δ 59.6
Residues
ARG140 ARG144 ASN106 ASP139 HIS105 HIS141 MET101 TYR97 ARG46 ASP13 CYS72 GLY73 GLY75 GLY77 HIS14 ILE15 ILE76 SER74 TYR49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXSContacts16
PoseOpen native poseHB0
IFP residues
ARG140 ARG144 ASN106 HIS105 HIS141 ARG46 ASP13 CYS72 GLY73 GLY75 GLY77 HIS14 ILE15 ILE76 SER74 TYR49
Current overlap16Native recall1.00
Jaccard0.84RMSD-
HB strict6Strict recall0.50
HB same residue+role6HB role recall0.60
HB same residue6HB residue recall0.60

Protein summary

302 residues
Protein targetT12Atoms4598
Residues302Chains2
Residue summaryARG:576; ILE:456; VAL:448; GLU:360; ALA:340; LEU:304; TYR:252; HIS:204; PRO:196; THR:196; GLY:182; LYS:176; ASP:168; PHE:160; MET:153; SER:121

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:CSD72

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
358 3.0698739561073647 -0.776838 -17.4927 11 14 0 0.00 0.00 - no Open
314 4.405127621198627 -0.713025 -16.7158 11 19 5 0.31 0.20 - no Open
339 4.791021627238107 -0.942997 -24.7219 12 19 16 1.00 0.60 - no Current
312 5.304016140782596 -1.04266 -28.8797 9 19 0 0.00 0.00 - no Open
357 5.344659650549648 -1.11311 -25.0349 9 17 0 0.00 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 -24.722kcal/mol
Ligand efficiency (LE) -0.7271kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.275
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 463.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.01
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 59.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 198.60kcal/mol
Minimised FF energy 138.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 788.4Ų
Total solvent-accessible surface area of free ligand
BSA total 547.7Ų
Buried surface area upon binding
BSA apolar 432.6Ų
Hydrophobic contacts buried
BSA polar 115.1Ų
Polar contacts buried
Fraction buried 69.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2291.0Ų
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 2454.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 804.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)