› 1ojh

X-ray diffraction
1.8Å resolution

Crystal structure of NblA from PCC 7120

Released:
DOI: 10.2210/pdb1ojh/pdb
PDB entry 1ojh coloured by chain, front view.
PDB entry 1ojh coloured by chain, side view.
PDB entry 1ojh coloured by chain, top view.
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Primary publication:
Crystal structure of NblA from Anabaena sp. PCC 7120, a small protein playing a key role in phycobilisome degradation.
Bienert R, Baier K, Volkmer R, Lockau W, Heinemann U
J Biol Chem 281 5216-23 (2006)
PMID: 16356935

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-187088 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
NblA protein Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 65 amino acids
Theoretical weight: 7.69 KDa
Source organism: Nostoc sp. PCC 7120 = FACHB-418
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8YNP7 (Residues: 1-65; Coverage: 100%)
Gene name: nblA
Sequence domains: Phycobilisome degradation protein nblA
Structure domains: Phycobilisome degradation protein NblA

Ligands and Environments

1 bound ligand:
Ligand EDO 2 x EDO
1 modified residue:
Ligand MSE 36 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P21
Unit cell:
a: 43.176Å b: 95.918Å c: 104.835Å
α: 90° β: 97.05° γ: 90°
R-values:
R R work R free
0.184 0.182 0.217
Expression system: Escherichia coli

Quick links

Citations

6 review citations

Biliprotein maturation: the chromophore attachment.
Scheer et al. (2008)
5 more

2 mentions without citation

Structural, functional, and mutational analysis of the NblA protein provides insight into possible modes of interaction with the phycobilisome.
Dines et al. (2008)
1 more