7psg

X-ray diffraction
1.91Å resolution

Structure of the ligand binding domain of the PacA (ECA2226) chemoreceptor of Pectobacterium atrosepticum SCRI1043 in complex with betaine.

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-179489 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Methyl-accepting transducer domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 301 amino acids
Theoretical weight: 33.22 KDa
Source organism: Pectobacterium atrosepticum SCRI1043
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q6D515 (Residues: 2-271; Coverage: 44%)
Gene name: ECA2226
Sequence domains: Cache domain

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE MASSIF-3
Spacegroup: P21
Unit cell:
a: 80.776Å b: 83.437Å c: 94.912Å
α: 90° β: 106.861° γ: 90°
R-values:
R R work R free
0.187 0.185 0.227
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'