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Aspartate aminotransferase, cytoplasmic

UniProtKB accession:  P00503
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Polymer Entities matching query 12
Go to UniProtKB:  P00503
UniProtKB description:  Biosynthesis of L-glutamate from L-aspartate or L-cysteine (PubMed:4634443). Important regulator of levels of glutamate, the major excitatory neurotransmitter of the vertebrate central nervous system. Acts as a scavenger of glutamate in brain neuroprotection. The aspartate aminotransferase activity is involved in hepatic glucose synthesis during development and in adipocyte glyceroneogenesis. Using L-cysteine as substrate, regulates levels of mercaptopyruvate, an important source of hydrogen sulfide. Mercaptopyruvate is converted into H(2)S via the action of 3-mercaptopyruvate sulfurtransferase (3MST). Hydrogen sulfide is an important synaptic modulator and neuroprotectant in the brain (By similarity).
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SCOP/SCOPe Domain
CATH Domain
ECOD Domain
PFAM Domain
InterPro Domain


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[ 4+ ]
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