› 3dnc

X-ray diffraction
2.05Å resolution

Carboxysome shell protein, CcmK2 C-terminal deletion mutant, with a closer spacing between hexamers

Released:
DOI: 10.2210/pdb3dnc/pdb
PDB entry 3dnc coloured by chain, front view.
PDB entry 3dnc coloured by chain, side view.
PDB entry 3dnc coloured by chain, top view.
Source organism: Synechocystis sp. PCC 6803
Primary publication:
Insights from multiple structures of the shell proteins from the beta-carboxysome.
Tanaka S, Sawaya MR, Phillips M, Yeates TO
Protein Sci 18 108-20 (2009)
PMID: 19177356

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-159858 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carboxysome shell protein CcmK2 Chain: A
Molecule details ›
Chain: A
Length: 99 amino acids
Theoretical weight: 10.61 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Escherichia coli
UniProt:
  • Canonical: P72761 (Residues: 1-91; Coverage: 88%)
Gene names: ccmK2, sll1028
Sequence domains: BMC domain
Structure domains: Alpha-Beta Plaits

Ligands and Environments

2 bound ligands:
Ligand SO4 2 x SO4
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-D
Spacegroup: P6
Unit cell:
a: 67.362Å b: 67.362Å c: 29.034Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.224 0.222 0.278
Expression system: Escherichia coli

Quick links

Citations

19 review citations

Bacterial microcompartments.
Kerfeld et al. (2010)
18 more

6 mentions without citation

Insights from multiple structures of the shell proteins from the beta-carboxysome.
Tanaka et al. (2009)
5 more