FAIRMol

OHD_Babesia_25

Pose ID 4098 Compound 2638 Pose 35

DB fairmolDocking 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_Babesia_25
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
65.1 kcal/mol
Protein clashes
2
Internal clashes
4
Native overlap
contact recall 0.74, Jaccard 0.64, H-bond role recall 0.60
Burial
83%
Hydrophobic fit
84%
Reason: strain 65.1 kcal/mol
strain ΔE 65.1 kcal/mol 2 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.579 kcal/mol/HA) ✓ Good fit quality (FQ -5.88) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Extreme strain energy (65.1 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (14)
Score
-20.832
kcal/mol
LE
-0.579
kcal/mol/HA
Fit Quality
-5.88
FQ (Leeson)
HAC
36
heavy atoms
MW
498
Da
LogP
0.69
cLogP
Strain ΔE
65.1 kcal/mol
SASA buried
83%
Lipo contact
84% BSA apolar/total
SASA unbound
811 Ų
Apolar buried
563 Ų

Interaction summary

HB 10 HY 24 PI 3 CLASH 4

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 rank1.211Score-20.832
Inter norm-0.937Intra norm0.358
Top1000noExcludedno
Contacts17H-bonds10
Artifact reasongeometry warning; 14 clashes; 3 protein contact clashes; 8 cofactor-context clashes; high strain Δ 60.5
Residues
ARG14 ASP161 CYS168 LEU208 LEU209 LYS220 MET169 MET213 NAP301 PHE171 PHE97 PRO210 SER95 TRP221 TYR174 VAL206 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 overlap14Native recall0.74
Jaccard0.64RMSD-
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
35 1.211385132424561 -0.936703 -20.8319 10 17 14 0.74 0.60 - no Current
38 3.0880868806858746 -0.706948 -19.9222 10 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 -20.832kcal/mol
Ligand efficiency (LE) -0.5787kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.881
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 497.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.69
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 65.11kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 85.19kcal/mol
Minimised FF energy 20.08kcal/mol

SASA & burial

✓ computed
SASA (unbound) 811.1Ų
Total solvent-accessible surface area of free ligand
BSA total 669.9Ų
Buried surface area upon binding
BSA apolar 562.5Ų
Hydrophobic contacts buried
BSA polar 107.3Ų
Polar contacts buried
Fraction buried 82.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1795.3Ų
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 914.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)