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Literature summary for 2.8.1.7 extracted from

  • Cai, K.; Tonelli, M.; Frederick, R.O.; Markley, J.L.
    Human mitochondrial ferredoxin 1 (FDX1) and ferredoxin 2 (FDX2) both bind cysteine desulfurase and donate electrons for iron-sulfur cluster biosynthesis (2017), Biochemistry, 56, 487-499 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Homo sapiens 5739
-

Organism

Organism UniProt Comment Textmining
Homo sapiens Q9Y697
-
-

Synonyms

Synonyms Comment Organism
Nfs1
-
Homo sapiens

General Information

General Information Comment Organism
physiological function ferredoxins FDX1 and FDX2 in both their reduced and oxidized states interact with the protein complex responsible for mitochondrial iron-sulfur cluster assembly, which contains cysteine desulfurase (NFS1), ISD11 (LYRM4), and acyl carrier protein (Acp). Reduced FDX1 and FDX2 each donate electrons to the cysteine desulfurase complex in vitro and facilitate iron-sulfur cluster assembly. Ferredoxin Both FDX1 and FDX2 stimulate cysteine desulfurase activity. FDX2 binds more tightly to the cysteine desulfurase complex than FDX1 does. The reduced form of each ferredoxin becomes oxidized in the presence of the cysteine desulfurase complex when L-cysteine is added, leading to its conversion to L-alanine and the generation of sulfide Homo sapiens