FAIRMol

OHD_MAC_41

Pose ID 13922 Compound 640 Pose 364

DB fairmolDocking 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_41
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
46.5 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.93, Jaccard 0.76, H-bond role recall 0.44
Burial
73%
Hydrophobic fit
78%
Reason: 6 internal clashes, strain 46.5 kcal/mol
strain ΔE 46.5 kcal/mol 6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.742 kcal/mol/HA) ✓ Good fit quality (FQ -7.16) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (46.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-22.253
kcal/mol
LE
-0.742
kcal/mol/HA
Fit Quality
-7.16
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
46.5 kcal/mol
SASA buried
73%
Lipo contact
78% BSA apolar/total
SASA unbound
685 Ų
Apolar buried
392 Ų

Interaction summary

HB 14 HY 10 PI 5 CLASH 6

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 rank4.618Score-22.253
Inter norm-0.887Intra norm0.145
Top1000noExcludedno
Contacts16H-bonds14
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 46.5
Residues
ARG137 ARG141 ASN103 HIS102 HIS138 ARG113 CYS69 GLY70 GLY72 GLY74 HIS11 ILE73 MET75 PRO12 SER71 TYR46

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
Jaccard0.76RMSD-
HB strict4Strict recall0.33
HB same residue+role4HB role recall0.44
HB same residue5HB residue recall0.62

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
326 1.255230868429765 -1.0168 -17.678 10 14 0 0.00 0.00 - no Open
363 2.4201993079394484 -0.837563 -15.4698 8 14 0 0.00 0.00 - no Open
309 2.4530033927416857 -1.04657 -19.3533 10 22 0 0.00 0.00 - no Open
408 2.543924748760653 -0.765399 -20.1583 6 17 0 0.00 0.00 - no Open
373 2.871454078971141 -0.687431 -16.7999 8 15 0 0.00 0.00 - no Open
351 3.435621331133259 -1.1298 -31.8256 8 14 0 0.00 0.00 - no Open
396 3.8141055144953935 -0.961525 -24.1747 8 16 0 0.00 0.00 - no Open
310 4.211492505753235 -0.858106 -20.1831 13 18 0 0.00 0.00 - no Open
441 4.434742941113284 -0.898265 -24.4959 8 15 0 0.00 0.00 - no Open
335 4.486660047343685 -1.08146 -25.0099 10 18 0 0.00 0.00 - no Open
364 4.617676895036009 -0.887025 -22.2533 14 16 13 0.93 0.44 - no Current
369 4.998871688363223 -0.936316 -24.6894 6 15 0 0.00 0.00 - no Open
470 5.42133093270557 -0.784075 -18.4526 11 12 0 0.00 0.00 - no Open
333 5.7276750524644395 -1.05567 -30.4394 16 22 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 -22.253kcal/mol
Ligand efficiency (LE) -0.7418kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.155
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.53kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 128.26kcal/mol
Minimised FF energy 81.73kcal/mol

SASA & burial

✓ computed
SASA (unbound) 684.6Ų
Total solvent-accessible surface area of free ligand
BSA total 500.5Ų
Buried surface area upon binding
BSA apolar 392.0Ų
Hydrophobic contacts buried
BSA polar 108.6Ų
Polar contacts buried
Fraction buried 73.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2250.1Ų
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 771.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)