Enzymes
| UniProtKB help_outline | 2,636 proteins |
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- Name help_outline pyridoxamine Identifier CHEBI:57761 Charge 1 Formula C8H13N2O2 InChIKeyhelp_outline NHZMQXZHNVQTQA-UHFFFAOYSA-O SMILEShelp_outline Cc1ncc(CO)c(C[NH3+])c1O 2D coordinates Mol file for the small molecule Search links Involved in 6 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ATP Identifier CHEBI:30616 (Beilstein: 3581767) help_outline Charge -4 Formula C10H12N5O13P3 InChIKeyhelp_outline ZKHQWZAMYRWXGA-KQYNXXCUSA-J SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,284 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline pyridoxamine 5'-phosphate Identifier CHEBI:58451 Charge -1 Formula C8H12N2O5P InChIKeyhelp_outline ZMJGSOSNSPKHNH-UHFFFAOYSA-M SMILEShelp_outline Cc1ncc(COP([O-])([O-])=O)c(C[NH3+])c1O 2D coordinates Mol file for the small molecule Search links Involved in 7 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ADP Identifier CHEBI:456216 (Beilstein: 3783669) help_outline Charge -3 Formula C10H12N5O10P2 InChIKeyhelp_outline XTWYTFMLZFPYCI-KQYNXXCUSA-K SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 841 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,521 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:25104 | RHEA:25105 | RHEA:25106 | RHEA:25107 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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Expression, purification, and kinetic constants for human and Escherichia coli pyridoxal kinases.
di Salvo M.L., Hunt S., Schirch V.
Pyridoxal kinase is an ATP dependent enzyme that phosphorylates pyridoxal, pyridoxine, and pyridoxamine forming their respective 5'-phosphorylated esters. The kinase is a part of the salvage pathway for re-utilizing pyridoxal 5'-phosphate, which serves as a coenzyme for dozens of enzymes involved ... >> More
Pyridoxal kinase is an ATP dependent enzyme that phosphorylates pyridoxal, pyridoxine, and pyridoxamine forming their respective 5'-phosphorylated esters. The kinase is a part of the salvage pathway for re-utilizing pyridoxal 5'-phosphate, which serves as a coenzyme for dozens of enzymes involved in amino acid and sugar metabolism. Clones of two pyridoxal kinases from Escherichia coli and one from human were inserted into a pET 22b plasmid and expressed in E. coli. All three enzymes were purified to near homogeneity and kinetic constants were determined for the three vitamin substrates. Previous studies had suggested that ZnATP was the preferred trinucleotide substrate, but our studies show that under physiological conditions MgATP is the preferred substrate. One of the two E. coli kinases has very low activity for pyridoxal, pyridoxine, and pyridoxamine. We conclude that in vivo this kinase may have an alternate substrate involved in another metabolic pathway and that pyridoxal has only a poor secondary activity for this kinase. << Less
Protein Expr. Purif. 36:300-306(2004) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.
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Pyridoxal phosphokinases. I. Assay, distribution, I. Assay, distribution, purification, and properties.
MCCORMICK D.B., GREGORY M.E., SNELL E.E.
J Biol Chem 236:2076-2084(1961) [PubMed] [EuropePMC]
This publication is cited by 2 other entries.