Reaction participants Show >> << Hide
- Name help_outline glyoxylate Identifier CHEBI:36655 (Beilstein: 3903641) help_outline Charge -1 Formula C2HO3 InChIKeyhelp_outline HHLFWLYXYJOTON-UHFFFAOYSA-M SMILEShelp_outline [H]C(=O)C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 81 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline L-asparagine Identifier CHEBI:58048 Charge 0 Formula C4H8N2O3 InChIKeyhelp_outline DCXYFEDJOCDNAF-REOHCLBHSA-N SMILEShelp_outline NC(=O)C[C@H]([NH3+])C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 27 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline 2-oxosuccinamate Identifier CHEBI:57735 Charge -1 Formula C4H4NO4 InChIKeyhelp_outline ONGPAWNLFDCRJE-UHFFFAOYSA-M SMILEShelp_outline NC(=O)CC(=O)C([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 9 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline glycine Identifier CHEBI:57305 Charge 0 Formula C2H5NO2 InChIKeyhelp_outline DHMQDGOQFOQNFH-UHFFFAOYSA-N SMILEShelp_outline [NH3+]CC([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 142 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:68376 | RHEA:68377 | RHEA:68378 | RHEA:68379 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Related reactions help_outline
More general form(s) of this reaction
Publications
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Characterization of Arabidopsis serine:glyoxylate aminotransferase, AGT1, as an asparagine aminotransferase.
Zhang Q., Lee J., Pandurangan S., Clarke M., Pajak A., Marsolais F.
Asparagine (Asn) is a major form of nitrogen transported to sink tissues. Results from a previous study have shown that an Arabidopsis mutant lacking asparaginase activity develops relatively normally, highlighting a possible compensation by other types of asparagine metabolic enzymes. Prior studi ... >> More
Asparagine (Asn) is a major form of nitrogen transported to sink tissues. Results from a previous study have shown that an Arabidopsis mutant lacking asparaginase activity develops relatively normally, highlighting a possible compensation by other types of asparagine metabolic enzymes. Prior studies with barley and tobacco mutants have associated Asn aminotransferase activity with the photorespiratory enzyme, serine (Ser):glyoxylate aminotransferase. This enzyme is encoded by AGT1 in Arabidopsis thaliana. Recombinant N-terminal His-tagged AGT1 purified from Escherichia coli was characterized with Ser, alanine (Ala) and Asn as amino acid donors and glyoxylate, pyruvate and hydroxypyruvate as organic acid acceptors. The V(max) of AGT1 with Asn was higher than with Ser or Ala by ca. 5-to 20-fold. As a result, the catalytic efficiency (V(max)/K(m)) was slightly higher with Asn than with the two other amino acids. In the roots of 10-day-old seedlings treated for 2h with 20mM Asn, the AGT1 transcript levels were raised by 2-fold. During this treatment, the concentration of Asn in root was raised by ca. 5-fold. These results suggest that AGT1 is involved in Asn metabolism in Arabidopsis. << Less
Phytochemistry 85:30-35(2013) [PubMed] [EuropePMC]
This publication is cited by 5 other entries.