› 2qjv

X-ray diffraction
1.9Å resolution

Crystal structure of an iolb-like protein (stm4420) from salmonella typhimurium lt2 at 1.90 A resolution

Released:
DOI: 10.2210/pdb2qjv/pdb
PDB entry 2qjv coloured by chain, front view.
PDB entry 2qjv coloured by chain, side view.
PDB entry 2qjv coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-187226 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Inner membrane protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 270 amino acids
Theoretical weight: 30.88 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8ZK62 (Residues: 1-269; Coverage: 100%)
Gene name: STM4420
Sequence domains: KduI/IolB family
Structure domains: Jelly Rolls

Ligands and Environments

4 bound ligands:
Ligand NI 4 x NI
Ligand CL 7 x CL
Ligand SO4 4 x SO4
Ligand GOL 2 x GOL
2 modified residues:
Ligand MSE 8 x MSE
Ligand MLY 16 x MLY

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: I23
Unit cell:
a: 200.14Å b: 200.14Å c: 200.14Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.161 0.16 0.181
Expression system: Escherichia coli

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