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EC 2.7.11.32 Details
EC number
2.7.11.32
Accepted name
[pyruvate, phosphate dikinase] kinase
Reaction
ADP + [pyruvate, phosphate dikinase] = AMP + [pyruvate, phosphate dikinase] phosphate
Other name(s)
PPDK regulatory protein (ambiguous), pyruvate, phosphate dikinase regulatory protein (ambiguous), bifunctional dikinase regulatory protein (ambiguous)
Systematic name
ADP:[pyruvate, phosphate dikinase] phosphotransferase
Comment
The enzymes from the plants Zea mays (maize) and Arabidopsis thaliana are bifunctional and catalyse both the phosphorylation and dephosphorylation of EC 2.7.9.1 (pyruvate, phosphate dikinase). cf. EC 2.7.4.27, [pyruvate, phosphate dikinase]-phosphate phosphotransferase [2-5]. The enzyme is specific for a reaction intermediate form of EC 2.7.9.1, and phosphorylates a threonine located adjacent to the catalytic histidine. The phosphorylation only takes place if the histidine is already phosphorylated [3-5].
History
created 2012
EC Tree
2.7.7.16 created 1961, deleted 1972, [transferred to EC 3.1.4.22, deleted 1980]
2.7.7.17 created 1965, deleted 1972, [transferred to EC 3.1.4.23, deleted 1980]
2.7.7.20 created 1965, deleted 1972
2.7.7.26 created 1961 as EC 3.1.4.8, transferred 1965 to EC 2.7.7.26, deleted 1972
2.7.7.29 created 1972, deleted 2004