Báo cáo khoa học: De-regulation of D-3-phosphoglycerate dehydrogenase by domain removal
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Escherichia coli 3-phosphoglycerate dehydrogenase (PGDH) catalyzes the first step in serine biosynthesis, and is allosterically inhibitedby serine. Structural studies revealeda homotetramer in which the quaternary arrangement of subunits formed an elongated ellipsoid. Each subunit consisted of three domains: nucleotide, substrate and regu-latory. InPGDH, extensive interactions are formedbetween nucleotide binding domains.
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