4q75

X-ray diffraction
1.71Å resolution

Crystal structure of Nfs2, the plastidial cysteine desulfurase from Arabidopsis thaliana

Released:
Source organism: Arabidopsis thaliana
Primary publication:
X-ray structures of Nfs2, the plastidial cysteine desulfurase from Arabidopsis thaliana.
Acta Crystallogr F Struct Biol Commun 70 1180-5 (2014)
PMID: 25195888

Function and Biology Details

Reactions catalysed:
(1a) L-cysteine + [enzyme]-cysteine = L-alanine + [enzyme]-S-sulfanylcysteine
L-selenocysteine + reduced acceptor = selenide + L-alanine + acceptor
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-188155 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cysteine desulfurase 1, chloroplastic Chains: A, B
Molecule details ›
Chains: A, B
Length: 429 amino acids
Theoretical weight: 47.21 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q93WX6 (Residues: 36-463; Coverage: 92%)
Gene names: At1g08490, CpNIFS, CpNIFS1, NFS2, T27G7.17
Sequence domains: Aminotransferase class-V
Structure domains:

Ligands and Environments

No bound ligands
2 modified residues:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: P21
Unit cell:
a: 81.567Å b: 68.205Å c: 87.066Å
α: 90° β: 94.76° γ: 90°
R-values:
R R work R free
0.204 0.202 0.233
Expression system: Escherichia coli