FAIRMol

OHD_MAC_60

Pose ID 5104 Compound 2318 Pose 363

DB SELECTIONDocking 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_MAC_60
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
43.0 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.68, Jaccard 0.59, H-bond role recall 0.40
Burial
89%
Hydrophobic fit
82%
Reason: strain 43.0 kcal/mol
strain ΔE 43.0 kcal/mol 3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.780 kcal/mol/HA) ✓ Good fit quality (FQ -7.74) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (43.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (22)
Score
-25.729
kcal/mol
LE
-0.780
kcal/mol/HA
Fit Quality
-7.74
FQ (Leeson)
HAC
33
heavy atoms
MW
457
Da
LogP
3.92
cLogP
Strain ΔE
43.0 kcal/mol
SASA buried
89%
Lipo contact
82% BSA apolar/total
SASA unbound
684 Ų
Apolar buried
501 Ų

Interaction summary

HB 8 HY 24 PI 3 CLASH 4
Final rank4.551Score-25.729
Inter norm-0.973Intra norm0.193
Top1000noExcludedno
Contacts16H-bonds8
Artifact reasongeometry warning; 22 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 42.9
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 MET163 NAP301 PHE97 PRO210 TRP221 TYR174 TYR98 VAL206 HIS267

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

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 overlap13Native recall0.68
Jaccard0.59RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
363 4.5505637977431235 -0.972896 -25.7285 8 16 13 0.68 0.40 - no Current
376 5.107114005005125 -0.935919 -21.9802 6 15 0 0.00 0.00 - no Open
417 5.391120897130467 -0.735467 -20.287 10 20 0 0.00 0.00 - no Open
344 5.521545929099955 -0.891439 -22.0875 9 16 0 0.00 0.00 - no Open
373 5.8719996082640895 -0.798435 -18.9584 8 19 0 0.00 0.00 - no Open
319 6.351016053385534 -0.856986 -20.288 10 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 -25.729kcal/mol
Ligand efficiency (LE) -0.7797kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.736
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 457.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.92
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 118.28kcal/mol
Minimised FF energy 75.24kcal/mol

SASA & burial

✓ computed
SASA (unbound) 684.5Ų
Total solvent-accessible surface area of free ligand
BSA total 611.6Ų
Buried surface area upon binding
BSA apolar 500.7Ų
Hydrophobic contacts buried
BSA polar 110.9Ų
Polar contacts buried
Fraction buried 89.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1656.5Ų
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 929.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)