FAIRMol

OHD_MAC_74

Pose ID 5113 Compound 495 Pose 372

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_74
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
50.5 kcal/mol
Protein clashes
5
Internal clashes
6
Native overlap
contact recall 0.42, Jaccard 0.32, H-bond role recall 0.80
Burial
89%
Hydrophobic fit
80%
Reason: 6 internal clashes, strain 50.5 kcal/mol
strain ΔE 50.5 kcal/mol 5 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.956 kcal/mol/HA) ✓ Good fit quality (FQ -9.23) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Extreme strain energy (50.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Many internal clashes (13)
Score
-28.693
kcal/mol
LE
-0.956
kcal/mol/HA
Fit Quality
-9.23
FQ (Leeson)
HAC
30
heavy atoms
MW
409
Da
LogP
-0.21
cLogP
Strain ΔE
50.5 kcal/mol
SASA buried
89%
Lipo contact
80% BSA apolar/total
SASA unbound
677 Ų
Apolar buried
481 Ų

Interaction summary

HB 9 HY 23 PI 3 CLASH 6
Final rank1.677Score-28.693
Inter norm-1.112Intra norm0.126
Top1000noExcludedno
Contacts14H-bonds9
Artifact reasongeometry warning; 13 clashes; 8 protein contact clashes; 1 severe cofactor-context clash; high strain Δ 50.5
Residues
ALA212 ARG14 ASP161 CYS168 GLN166 GLY205 LYS13 MET163 NAP301 PHE97 PRO167 PRO210 TYR174 VAL211

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 overlap8Native recall0.42
Jaccard0.32RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
372 1.6772197169597403 -1.11162 -28.6929 9 14 8 0.42 0.80 - no Current
322 1.8058197940808594 -1.09139 -28.8387 9 16 0 0.00 0.00 - no Open
454 2.8116145569527484 -0.890053 -20.7346 6 12 0 0.00 0.00 - no Open
483 3.949712740102244 -0.97949 -22.319 9 17 0 0.00 0.00 - no Open
377 4.059032179203434 -0.66171 -19.1835 9 9 0 0.00 0.00 - no Open
349 4.575617357443132 -1.12684 -23.9686 10 16 0 0.00 0.00 - no Open
326 5.660901362689888 -0.850041 -19.56 10 19 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 -28.693kcal/mol
Ligand efficiency (LE) -0.9564kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.226
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 409.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.21
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 50.46kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 174.05kcal/mol
Minimised FF energy 123.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 677.2Ų
Total solvent-accessible surface area of free ligand
BSA total 601.7Ų
Buried surface area upon binding
BSA apolar 481.0Ų
Hydrophobic contacts buried
BSA polar 120.7Ų
Polar contacts buried
Fraction buried 88.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1644.4Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 942.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)