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(piruvat, fosfat dikinaza) kinaza (EC 2.7.11.32, PPDK regulatorni protein, piruvat, fosfat dikinaza regulatorni protein, bifunkcionalna dikinaza regulatorni protein) je enzim sa sistematskim imenom ADP:(piruvat, fosfat dikinaza) fosfotransferaza.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

(piruvat, fosfat dikinaza) kinaza
Identifikatori
EC broj2.7.11.32
Baze podataka
IntEnzIntEnz pregled
BRENDABRENDA pristup
ExPASyNiceZyme pregled
KEGGKEGG pristup
MetaCycmetabolički put
PRIAMprofil
Strukture PBPRCSB PDB PDBe PDBsum
ADP + [piruvat, fosfat dikinaza] AMP + [piruvat, fosfat dikinaza] fosfat

Enzim iz biljki Zea mays (kukuruz) i Arabidopsis je bifunkcionalan i katalizuje fosforilaciju i defosforilaciju piruvat, fosfat dikinaze (EC 2.7.9.1).

ReferenceУреди

  1. ^ Burnell, J.N. & Hatch, M.D. (1984). „Regulation of C4 photosynthesis: identification of a catalytically important histidine residue and its role in the regulation of pyruvate,Pi dikinase”. Arch. Biochem. Biophys. 231: 175—182. PMID 6326674. 
  2. ^ Burnell, J.N. & Hatch, M.D. (1985). „Regulation of C4 photosynthesis: purification and properties of the protein catalyzing ADP-mediated inactivation and Pi-mediated activation of pyruvate,Pi dikinase”. Arch. Biochem. Biophys. 237: 490—503. PMID 2983615. 
  3. ^ Chastain, C.J., Botschner, M., Harrington, G.E., Thompson, B.J., Mills, S.E., Sarath, G. and Chollet, R. (2000). „Further analysis of maize C4 pyruvate,orthophosphate dikinase phosphorylation by its bifunctional regulatory protein using selective substitutions of the regulatory Thr-456 and catalytic His-458 residues”. Arch. Biochem. Biophys. 375: 165—170. PMID 10683263. 
  4. ^ Burnell, J.N. & Chastain, C.J. (2006). „Cloning and expression of maize-leaf pyruvate, Pi dikinase regulatory protein gene”. Biochem. Biophys. Res. Commun. 345: 675—680. PMID 16696949. 
  5. ^ Chastain, C.J., Xu, W., Parsley, K., Sarath, G., Hibberd, J.M. and Chollet, R. (2008). „The pyruvate, orthophosphate dikinase regulatory proteins of Arabidopsis possess a novel, unprecedented Ser/Thr protein kinase primary structure”. Plant J. 53: 854—863. PMID 17996018. 

LiteraturaУреди

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