FAIRMol

OHD_TC1_246

Pose ID 4847 Compound 3105 Pose 106

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand OHD_TC1_246
PDB6RX6

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
60.9 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.79, Jaccard 0.75, H-bond role recall 0.20
Burial
64%
Hydrophobic fit
92%
Reason: strain 60.9 kcal/mol
strain ΔE 60.9 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.515 kcal/mol/HA) ✓ Good fit quality (FQ -5.77) ✓ Strong H-bond network (7 bonds) ✓ Good burial (64% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ Extreme strain energy (60.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (21)
Score
-28.314
kcal/mol
LE
-0.515
kcal/mol/HA
Fit Quality
-5.77
FQ (Leeson)
HAC
55
heavy atoms
MW
757
Da
LogP
6.88
cLogP
Strain ΔE
60.9 kcal/mol
SASA buried
64%
Lipo contact
92% BSA apolar/total
SASA unbound
1091 Ų
Apolar buried
643 Ų

Interaction summary

HB 7 HY 24 PI 1 CLASH 2

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 rank1.835Score-28.314
Inter norm-0.591Intra norm0.077
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 21 clashes; 1 protein contact clash; 6 cofactor-context clashes; high strain Δ 51.2
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS114 MET213 NAP301 PHE97 PRO210 SER207 TRP221 TYR174 TYR98 VAL206

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap15Native recall0.79
Jaccard0.75RMSD-
HB strict2Strict recall0.33
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
106 1.835424594550803 -0.59146 -28.3135 7 16 15 0.79 0.20 - no Current

Molecular metrics

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

Scoring & efficiency

Docking score -28.314kcal/mol
Ligand efficiency (LE) -0.5148kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.766
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 55HA

Physicochemical properties

Molecular weight 757.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.88
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 60.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 246.92kcal/mol
Minimised FF energy 186.05kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1091.4Ų
Total solvent-accessible surface area of free ligand
BSA total 696.4Ų
Buried surface area upon binding
BSA apolar 643.0Ų
Hydrophobic contacts buried
BSA polar 53.5Ų
Polar contacts buried
Fraction buried 63.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 92.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2105.0Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 927.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)