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“However, serine inhibits not only transport of L-glutamate but also of glutamine (K(i) 0.5 mM), and L-glutamate inhibits part of the transport of glutamine.”
Comparative biochemistry and physiology. Part A, Molecular & integrative physiology • 2000 | View Paper
“L-Glu and Ser share a transporter for which the inhibitor constant (Ki) of L-Glu against Ser decreases from 54 to 10 mM when pH is reduced from 7.2 to 5.65, while the maximum rate of transport remains unaffected at approximately 10 micromol.”
The American journal of physiology • 1999 | View Paper
“ Serine not only competed favourably for glyoxylate but also inhibited L-glutamate : glyoxylate aminotransferase (GGAT), the degree of inhibition depending upon the glyoxylate concentration.”