FAIRMol

OHD_MAC_43

Pose ID 4390 Compound 290 Pose 327

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand OHD_MAC_43
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
43.7 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.58, Jaccard 0.46, H-bond role recall 0.60
Burial
83%
Hydrophobic fit
74%
Reason: strain 43.7 kcal/mol
strain ΔE 43.7 kcal/mol 2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.682 kcal/mol/HA) ✓ Good fit quality (FQ -6.64) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Extreme strain energy (43.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (15)
Score
-21.142
kcal/mol
LE
-0.682
kcal/mol/HA
Fit Quality
-6.64
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.73
cLogP
Strain ΔE
43.7 kcal/mol
SASA buried
83%
Lipo contact
74% BSA apolar/total
SASA unbound
693 Ų
Apolar buried
426 Ų

Interaction summary

HB 12 HY 24 PI 6 CLASH 3

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 rank1.096Score-21.142
Inter norm-1.040Intra norm0.358
Top1000noExcludedno
Contacts16H-bonds12
Artifact reasongeometry warning; 15 clashes; 3 protein contact clashes; 1 severe cofactor-context clash; high strain Δ 43.7
Residues
ARG14 CYS168 GLU217 LEU209 LYS220 LYS224 MET169 MET213 NAP301 PHE171 PHE97 PRO210 SER95 TRP221 TYR174 HIS267

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 overlap11Native recall0.58
Jaccard0.46RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
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
327 1.0964829522574546 -1.03991 -21.1418 12 16 11 0.58 0.60 - no Current
364 1.7239846691089398 -0.778679 -17.0858 7 13 0 0.00 0.00 - no Open
442 1.8577202495374694 -0.913582 -24.9212 9 17 0 0.00 0.00 - no Open
352 2.0154827967061797 -1.11088 -32.2157 10 15 8 0.42 0.60 - no Open
397 2.882657732714977 -0.935709 -15.3974 6 16 0 0.00 0.00 - no Open
309 3.284185401307328 -0.904868 -24.0068 8 16 0 0.00 0.00 - no Open
373 3.8307218879275062 -0.609572 -12.9904 4 14 0 0.00 0.00 - no Open
445 4.192667213415826 -0.773887 -19.8971 6 14 0 0.00 0.00 - no Open
375 4.68242207807719 -0.75164 -13.7395 7 15 0 0.00 0.00 - no Open
355 4.842669355222647 -0.826399 -16.7147 9 16 0 0.00 0.00 - no Open
334 5.464562560325958 -1.04935 -31.2848 16 24 0 0.00 0.00 - no Open
409 5.568836563759863 -0.859961 -19.7397 9 21 0 0.00 0.00 - no Open
311 5.575954316282713 -0.847031 -14.0743 14 14 0 0.00 0.00 - no Open
370 5.799984693332239 -0.849161 -18.22 6 18 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 -21.142kcal/mol
Ligand efficiency (LE) -0.6820kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.644
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.73
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.10kcal/mol
Minimised FF energy 73.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 693.0Ų
Total solvent-accessible surface area of free ligand
BSA total 577.2Ų
Buried surface area upon binding
BSA apolar 425.8Ų
Hydrophobic contacts buried
BSA polar 151.4Ų
Polar contacts buried
Fraction buried 83.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1636.5Ų
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 934.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)