› 2okf

X-ray diffraction
1.6Å resolution

CRYSTAL STRUCTURE OF A FDXN ELEMENT EXCISION CONTROLLING FACTOR PROTEIN (AVA_3312) FROM ANABAENA VARIABILIS AT 1.60 A RESOLUTION

Released:
DOI: 10.2210/pdb2okf/pdb
PDB entry 2okf coloured by chain, front view.
PDB entry 2okf coloured by chain, side view.
PDB entry 2okf coloured by chain, top view.
Source organism: Trichormus variabilis
Primary publication:
Hwang WC, Golden JW, Pascual J, Xu D, Cheltsov A, Godzik A
Proteins
PMID: 25179344

Function and Biology Details

Biochemical function:
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-174756 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
FdxN element excision controlling factor protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 140 amino acids
Theoretical weight: 15.98 KDa
Source organism: Trichormus variabilis
Expression system: Escherichia coli
UniProt:
  • Canonical: Q3M7W6 (Residues: 1-139; Coverage: 100%)
Gene name: Ava_3312
Sequence domains: XisH protein
Structure domains: Trna Endonuclease; Chain: A, domain 1

Ligands and Environments

3 bound ligands:
Ligand CL 2 x CL
Ligand ACT 2 x ACT
Ligand EDO 9 x EDO
1 modified residue:
Ligand MSE 4 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P31
Unit cell:
a: 59.81Å b: 59.81Å c: 73.19Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.143 0.142 0.155
Expression system: Escherichia coli

Quick links

Citations

6 mentions without citation

Modular electron-transport chains from eukaryotic organelles function to support nitrogenase activity.
Yang et al. (2017)
5 more