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2.6.1.52: phosphoserine transaminase

This is an abbreviated version!
For detailed information about phosphoserine transaminase, go to the full flat file.

Reaction

4-phosphooxy-L-threonine
+
2-oxoglutarate
=
(3R)-3-hydroxy-2-oxo-4-phosphooxybutanoate
+
L-glutamate

Synonyms

3-O-phospho-L-serine:2-oxoglutarate aminotransferase, 3-phosphoserine aminotransferase, AspAT, AtPSAT, AtPSAT1, BCIR PSAT, bmPSAT, EhPSAT, hydroxypyruvic phosphate-glutamic transaminase, L-phosphoserine aminotransferase, phosphohydroxypyruvate transaminase, phosphohydroxypyruvic-glutamic transaminase, phosphoserine aminotransferase, phosphoserine aminotransferase 1, phosphoserine aminotransferase1, phosphoserine aminotransferase2, phosphoserine aminotransferases, PSAT, PSAT alpha, PSAT beta, PSAT-BALC, PSAT-BCIRA, PSAT-ECOLI, PSAT1, PSAT2, PSerAT, serC, sll1559

ECTree

     2 Transferases
         2.6 Transferring nitrogenous groups
             2.6.1 Transaminases
                2.6.1.52 phosphoserine transaminase

Expression

Expression on EC 2.6.1.52 - phosphoserine transaminase

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EXPRESSION
ORGANISM
UNIPROT
LITERATURE
GOT1 expression level is reduced in TAZ/YAP siRNA knockout cells. The inhibition of transamination preferentially suppresses those breast cancer cells that express high levels of TAZ/YAP (e.g. MDA-MB-231 and HCC38 cells ), not TAZ/YAP-low-level expressing cell lines (e.g. BT474 and HMT-3522 S1)
mRNA expression levels of the PSAT gene are down-regulated under both low- and high-temperature stress
no significant changes in the mRNA expression levels of phosphoglycerate dehydrogenase and phosphoserine aminotransferase occur after the incubation of L-serine with Acanthamoeba castellanii
PSAT1 is overexpressed in colorectal tumor samples
transcriptional regulators TAZ and YAP (TAZ/YAP) promote glutamine dependence in breast cancer cells and activate the expression of glutamine-utilizing transaminases to support cell growth. TAZ/YAP induce glutamic-oxaloacetic transaminase (GOT1) and phosphoserine aminotransferase (PSAT1) expression. TAZ and YAP are required for glutamine-utilizing transaminase expression in breast cancer cells