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Annotation rule MF_01638 |
Accession | MF_01638 |
Dates | 23-NOV-2006 (Created) 19-NOV-2019 (Last updated, Version 16) |
Name | PdxK |
Scope | Bacteria; Proteobacteria |
Template | P40191 (PDXK_ECOLI) |
Triggered by |
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Protein name |
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Gene name |
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Function | B6-vitamer kinase involved in the salvage pathway of pyridoxal 5'-phosphate (PLP). Catalyzes the phosphorylation of pyridoxine (PN), pyridoxal (PL), and pyridoxamine (PM), forming their respective 5'-phosphorylated esters, i.e. PNP, PLP and PMP. |
Catalytic activity | RHEA:10224: ATP + pyridoxal = ADP + H(+) + pyridoxal 5'-phosphate
EC 2.7.1.35 |
RHEA:25108: ATP + pyridoxine = ADP + H(+) + pyridoxine 5'-phosphate | |
RHEA:25104: ATP + pyridoxamine = ADP + H(+) + pyridoxamine 5'-phosphate | |
Cofactor | Mg(2+) |
Pathway | Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxal 5'-phosphate from pyridoxal: step 1/1. |
Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxine 5'-phosphate from pyridoxine: step 1/1. | |
Cofactor metabolism; pyridoxal 5'-phosphate salvage; pyridoxamine 5'-phosphate from pyridoxamine: step 1/1. | |
Subunit | Homodimer. |
Similarity | Belongs to the pyridoxine kinase family. PdxK subfamily. |
From: PDXK_ECOLI (P40191) | ||||||||||||
Key | From | To | Description | Tag | Condition | FTGroup | ||||||
NP_BIND | 221 | 224 | ATP | H-x-x-[VI] | ||||||||
METAL | 136 | 136 | Magnesium | Y | ||||||||
METAL | 162 | 162 | Magnesium | E | ||||||||
BINDING | 23 | 23 | Substrate | S | ||||||||
BINDING | 59 | 59 | Substrate | H | ||||||||
BINDING | 125 | 125 | ATP | D | ||||||||
BINDING | 157 | 157 | ATP; via carbonyl oxygen | T | ||||||||
BINDING | 162 | 162 | ATP | E | ||||||||
BINDING | 195 | 195 | ATP | T | ||||||||
BINDING | 231 | 231 | ATP | T | ||||||||
BINDING | 233 | 233 | Substrate | D |
Size range | 283-296 amino acids |
Related rules | None |
Fusion | None |