PDBe 3deo

X-ray diffraction
1.5Å resolution

Structural basis for specific substrate recognition by the chloroplast signal recognition particle protein cpSRP43


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Signal recognition particle 43 kDa protein, chloroplastic Chain: A
Molecule details ›
Chain: A
Length: 183 amino acids
Theoretical weight: 20.04 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
  • Canonical: O22265 (Residues: 85-267; Coverage: 49%)
Gene names: At2g47450, CAO, CPSRP43, T30B22.25
Sequence domains: Ankyrin repeat
Structure domains: Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P212121
Unit cell:
a: 51.146Å b: 52.794Å c: 62.849Å
α: 90° β: 90° γ: 90°
R R work R free
0.171 0.168 0.211
Expression system: Escherichia coli