From Wikipedia, the free encyclopedia
Lipoate–protein ligase (
EC
2.7.7.63 , LplA , lipoate protein ligase , lipoate–protein ligase A , LPL , LPL-B ) is an
enzyme with
systematic name ATP:lipoate adenylyltransferase .
[1]
[2]
[3]
[4]
[5]
[6]
[7] This enzyme
catalyses the following
chemical reaction
(1) ATP +
lipoate
⇌
{\displaystyle \rightleftharpoons }
diphosphate + lipoyl-AMP
(2) lipoyl-AMP +
apoprotein
⇌
{\displaystyle \rightleftharpoons }
protein N6 -(lipoyl)lysine + AMP
This enzyme requires Mg2+ as a
cofactor .
References
^ Morris TW, Reed KE, Cronan JE (June 1994). "Identification of the gene encoding lipoate-protein ligase A of Escherichia coli. Molecular cloning and characterization of the lplA gene and gene product". The Journal of Biological Chemistry . 269 (23): 16091–100.
PMID
8206909 .
^ Green DE, Morris TW, Green J, Cronan JE, Guest JR (August 1995).
"Purification and properties of the lipoate protein ligase of Escherichia coli" . The Biochemical Journal . 309 (3): 853–62.
doi :
10.1042/bj3090853 .
PMC
1135710 .
PMID
7639702 .
^ Zhao X, Miller JR, Jiang Y, Marletta MA, Cronan JE (December 2003).
"Assembly of the covalent linkage between lipoic acid and its cognate enzymes" . Chemistry & Biology . 10 (12): 1293–302.
doi :
10.1016/j.chembiol.2003.11.016 .
PMID
14700636 .
^ Kim DJ, Kim KH, Lee HH, Lee SJ, Ha JY, Yoon HJ, Suh SW (November 2005).
"Crystal structure of lipoate-protein ligase A bound with the activated intermediate: insights into interaction with lipoyl domains" . The Journal of Biological Chemistry . 280 (45): 38081–9.
doi :
10.1074/jbc.M507284200 .
PMID
16141198 .
^ Fujiwara K, Toma S, Okamura-Ikeda K, Motokawa Y, Nakagawa A, Taniguchi H (September 2005).
"Crystal structure of lipoate-protein ligase A from Escherichia coli. Determination of the lipoic acid-binding site" . The Journal of Biological Chemistry . 280 (39): 33645–51.
doi :
10.1074/jbc.M505010200 .
PMID
16043486 .
^ Jordan SW, Cronan JE (July 1997).
"A new metabolic link. The acyl carrier protein of lipid synthesis donates lipoic acid to the pyruvate dehydrogenase complex in Escherichia coli and mitochondria" . The Journal of Biological Chemistry . 272 (29): 17903–6.
doi :
10.1074/jbc.272.29.17903 .
PMID
9218413 .
^ Perham RN (2000). "Swinging arms and swinging domains in multifunctional enzymes: catalytic machines for multistep reactions". Annual Review of Biochemistry . 69 : 961–1004.
doi :
10.1146/annurev.biochem.69.1.961 .
PMID
10966480 .
External links
Activity Regulation Classification Kinetics Types