› 2qq4

X-ray diffraction
1.85Å resolution

Crystal structure of Iron-sulfur cluster biosynthesis protein IscU (TTHA1736) from thermus thermophilus HB8

Released:
DOI: 10.2210/pdb2qq4/pdb
PDB entry 2qq4 coloured by chain, front view.
PDB entry 2qq4 coloured by chain, side view.
PDB entry 2qq4 coloured by chain, top view.
Source organism: Thermus thermophilus
Entry authors: Jeyakanthan J, Kanaujia SP, Sekar K, Agari Y, Ebihara A, Shinkai A, Kuramitsu S, Yokoyama S, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
homo pentamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-177879 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
NIF system FeS cluster assembly NifU N-terminal domain-containing protein Chains: A, B, C, D, E, F, G, H, I, J
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J
Length: 138 amino acids
Theoretical weight: 14.79 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5SHJ4 (Residues: 1-138; Coverage: 100%)
Gene name: TTHA1736
Sequence domains: NifU-like N terminal domain
Structure domains: Sufe protein. Chain: A

Ligands and Environments

1 bound ligand:
Ligand ZN 10 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B2
Spacegroup: P1
Unit cell:
a: 58.886Å b: 64.866Å c: 96.26Å
α: 71.18° β: 78.96° γ: 79.02°
R-values:
R R work R free
0.225 0.225 0.26
Expression system: Escherichia coli

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