FAIRMol

OHD_MAC_36

Pose ID 13920 Compound 220 Pose 362

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T21
T. cruzi R5P T. cruzi
Ligand OHD_MAC_36
PDB3K7O

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
51.7 kcal/mol
Protein clashes
8
Internal clashes
8
Native overlap
contact recall 0.93, Jaccard 0.72, H-bond role recall 0.56
Burial
72%
Hydrophobic fit
73%
Reason: 8 internal clashes, strain 51.7 kcal/mol
strain ΔE 51.7 kcal/mol 8 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.555 kcal/mol/HA) ✓ Good fit quality (FQ -5.36) ✓ Strong H-bond network (15 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ Extreme strain energy (51.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-16.660
kcal/mol
LE
-0.555
kcal/mol/HA
Fit Quality
-5.36
FQ (Leeson)
HAC
30
heavy atoms
MW
424
Da
LogP
3.38
cLogP
Strain ΔE
51.7 kcal/mol
SASA buried
72%
Lipo contact
73% BSA apolar/total
SASA unbound
675 Ų
Apolar buried
355 Ų

Interaction summary

HB 15 HY 9 PI 3 CLASH 8
Final rank4.901Score-16.660
Inter norm-0.929Intra norm0.374
Top1000noExcludedno
Contacts17H-bonds15
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 51.7
Residues
ARG137 ARG141 ASN103 HIS102 HIS138 MET98 ARG113 CYS69 GLY70 GLY72 GLY74 HIS11 ILE73 MET75 PRO12 SER71 TYR46

Protein summary

305 residues
Protein targetT21Atoms4646
Residues305Chains2
Residue summaryARG:576; ILE:532; VAL:512; GLU:420; ALA:360; PHE:240; HIS:238; LYS:220; THR:210; LEU:190; PRO:168; TYR:168; GLY:154; SER:154; ASP:144; ASN:112

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3K7OContacts14
PoseOpen native poseHB0
IFP residues
ARG137 ARG141 ASN103 HIS102 HIS138 ASP10 CYS69 GLY70 GLY74 HIS11 ILE73 PRO12 SER71 TYR46
Current overlap13Native recall0.93
Jaccard0.72RMSD-
HB strict6Strict recall0.50
HB same residue+role5HB role recall0.56
HB same residue5HB residue recall0.62

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
348 1.2100144411566822 -1.1538 -30.0904 8 14 0 0.00 0.00 - no Open
440 1.5676082891596326 -0.944621 -26.2353 6 17 0 0.00 0.00 - no Open
324 1.953134084273393 -1.11057 -27.5044 10 13 0 0.00 0.00 - no Open
366 2.2621186422673074 -0.969443 -20.4956 4 16 0 0.00 0.00 - no Open
395 3.0456434028459523 -0.899025 -26.9428 4 19 0 0.00 0.00 - no Open
404 3.8699170341381035 -0.865306 -16.7738 8 18 0 0.00 0.00 - no Open
441 4.081786304937585 -0.850126 -23.0145 5 13 0 0.00 0.00 - no Open
308 4.168792251622847 -1.07508 -26.8228 10 20 0 0.00 0.00 - no Open
332 4.318025370457191 -1.10906 -19.6858 11 21 0 0.00 0.00 - no Open
346 4.7100997309679045 -1.08757 -25.9544 15 23 0 0.00 0.00 - no Open
362 4.900785009688223 -0.929405 -16.6604 15 17 13 0.93 0.56 - no Current
354 5.137261587746673 -0.910504 -14.9944 8 15 0 0.00 0.00 - no Open
348 5.166887790616978 -0.859874 -15.7312 7 21 0 0.00 0.00 - no Open
309 5.312767912161138 -0.875177 -16.7657 14 15 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 -16.660kcal/mol
Ligand efficiency (LE) -0.5553kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.357
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 423.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.38
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.72kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 113.53kcal/mol
Minimised FF energy 61.81kcal/mol

SASA & burial

✓ computed
SASA (unbound) 675.5Ų
Total solvent-accessible surface area of free ligand
BSA total 483.6Ų
Buried surface area upon binding
BSA apolar 354.9Ų
Hydrophobic contacts buried
BSA polar 128.7Ų
Polar contacts buried
Fraction buried 71.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2178.4Ų
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 2482.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 831.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)