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Information on EC 2.4.99.20 - 2'-phospho-ADP-ribosyl cyclase/2'-phospho-cyclic-ADP-ribose transferase and Organism(s) Komagataella pastoris and UniProt Accession P29241

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IUBMB Comments
This multiunctional enzyme catalyses both the removal of nicotinamide from NADP+, forming 2'-phospho-cyclic ADP-ribose, and the addition of nicotinate to the cyclic product, forming NAADP+, a calcium messenger that can mobilize intracellular Ca2+ stores and activate Ca2+ influx to regulate a wide range of physiological processes. In addition, the enzyme also catalyses EC 3.2.2.6, ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase.
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Komagataella pastoris
UNIPROT: P29241
The enzyme appears in selected viruses and cellular organisms
Synonyms
2'-phospho-cyclic-ADP-ribose transferase, ADP-ribosyl cyclase 1, ADPRC 1, BST1, CD38, diphosphopyridine nucleosidase, more
PATHWAY SOURCE
PATHWAYS
SYSTEMATIC NAME
IUBMB Comments
NADP+:nicotinate ADP-ribosyltransferase
This multiunctional enzyme catalyses both the removal of nicotinamide from NADP+, forming 2'-phospho-cyclic ADP-ribose, and the addition of nicotinate to the cyclic product, forming NAADP+, a calcium messenger that can mobilize intracellular Ca2+ stores and activate Ca2+ influx to regulate a wide range of physiological processes. In addition, the enzyme also catalyses EC 3.2.2.6, ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase.
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