Title : Characterization of iron binding in IscA, an ancient iron-sulphur cluster assembly protein.

Pub. Date : 2004 Apr 15

PMID : 14720122






7 Functional Relationships(s)
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1 At least six proteins (IscS, IscU, IscA, HscB, HscA and ferredoxin) have been identified as being essential for the biogenesis of iron-sulphur proteins in bacteria. Iron iron-sulfur cluster assembly enzyme Homo sapiens
2 It has been shown that IscS is a cysteine desulphurase that provides sulphur for iron-sulphur clusters, and that IscU is a scaffold for the IscS-mediated assembly of iron-sulphur clusters. Iron iron-sulfur cluster assembly enzyme Homo sapiens
3 Here we show that IscA is an iron binding protein with an apparent iron association constant of 3.0x10(19) M(-1), and that iron-loaded IscA can provide iron for the assembly of transient iron-sulphur clusters in IscU in the presence of IscS and L-cysteine in vitro. Iron iron-sulfur cluster assembly enzyme Homo sapiens
4 Here we show that IscA is an iron binding protein with an apparent iron association constant of 3.0x10(19) M(-1), and that iron-loaded IscA can provide iron for the assembly of transient iron-sulphur clusters in IscU in the presence of IscS and L-cysteine in vitro. Iron iron-sulfur cluster assembly enzyme Homo sapiens
5 Here we show that IscA is an iron binding protein with an apparent iron association constant of 3.0x10(19) M(-1), and that iron-loaded IscA can provide iron for the assembly of transient iron-sulphur clusters in IscU in the presence of IscS and L-cysteine in vitro. Iron iron-sulfur cluster assembly enzyme Homo sapiens
6 Here we show that IscA is an iron binding protein with an apparent iron association constant of 3.0x10(19) M(-1), and that iron-loaded IscA can provide iron for the assembly of transient iron-sulphur clusters in IscU in the presence of IscS and L-cysteine in vitro. Iron iron-sulfur cluster assembly enzyme Homo sapiens
7 Here we show that IscA is an iron binding protein with an apparent iron association constant of 3.0x10(19) M(-1), and that iron-loaded IscA can provide iron for the assembly of transient iron-sulphur clusters in IscU in the presence of IscS and L-cysteine in vitro. Iron iron-sulfur cluster assembly enzyme Homo sapiens