View source for Protein-ribulosamine 3-kinase

{{Infobox enzyme
| Name = (Pyruvate, phosphate dikinase)-phosphate phosphotransferase
| EC_number = 2.7.4.27
| CAS_number = 
| IUBMB_EC_number = 2/7/4/27
| GO_code = 
| image = 
| width = 
| caption =
}}
'''(Pyruvate, phosphate dikinase)-phosphate phosphotransferase''' ({{EC number|2.7.4.27}}, ''PPDK regulatory protein'', ''pyruvate, phosphate dikinase regulatory protein'', ''bifunctional dikinase regulatory protein'', ''PDRP1 (gene)'') is an [[enzyme]] with system name ''(pyruvate, phosphate dikinase) phosphate:phosphate phosphotransferase''.<ref>{{cite journal | title = Regulation of C<sub>4</sub> photosynthesis: identification of a catalytically important histidine residue and its role in the regulation of pyruvate,''P''<sub>i</sub> dikinase |author = Burnell, J.N. and Hatch, M.D. |journal = Arch. Biochem. Biophys. |year = 1984 |volume = 231 |pages = 175–182 |pmid = 6326674}}</ref><ref>{{cite journal | title = Regulation of C<sub>4</sub> photosynthesis: purification and properties of the protein catalyzing ADP-mediated inactivation and ''P''<sub>i</sub>-mediated activation of pyruvate,''P''<sub>i</sub> dikinase |author = Burnell, J.N. and Hatch, M.D. |journal = Arch. Biochem. Biophys. |year = 1985 |volume = 237 |pages = 490–503 |pmid = 2983615}}</ref><ref>{{cite journal | title = Further analysis of maize C<sub>4</sub> pyruvate,orthophosphate dikinase phosphorylation by its bifunctional regulatory protein using selective substitutions of the regulatory Thr-456 and catalytic His-458 residues |author = Chastain, C.J., Botschner, M., Harrington, G.E., Thompson, B.J., Mills, S.E., Sarath, G. and Chollet, R. |journal = Arch. Biochem. Biophys. |year = 2000 |volume = 375 |pages = 165–170 |pmid = 10683263}}</ref><ref>{{cite journal | title = Cloning and expression of maize-leaf pyruvate, ''P''<sub>i</sub> dikinase regulatory protein gene |author = Burnell, J.N. and Chastain, C.J. |journal = Biochem. Biophys. Res. Commun. |year = 2006 |volume = 345 |pages = 675–680 |pmid = 16696949}}</ref><ref>{{cite journal | title = The pyruvate, orthophosphate dikinase regulatory proteins of ''Arabidopsis'' possess a novel, unprecedented Ser/Thr protein kinase primary structure |author = Chastain, C.J., Xu, W., Parsley, K., Sarath, G., Hibberd, J.M. and Chollet, R. |journal = Plant J. |year = 2008 |volume = 53 |pages = 854–863 |pmid = 17996018}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: [pyruvate, phosphate dikinase] phosphate + [[phosphate]] <math>\rightleftharpoons</math> [pyruvate, phosphate dikinase] + [[diphosphate]]

The enzyme from the plants [[maize]] and [[Arabidopsis thaliana|arabidopsis]] is bifunctional and also catalyses the [[phosphorylation]] of [[pyruvate]].

== References ==
{{reflist}}

== External links ==
* {{MeshName|(pyruvate,+phosphate+dikinase)-phosphate+phosphotransferase}}

[[Category:EC 2.7.4]]