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Figure 1
(a) Glucosamine-6-phosphate N-acetyltransferase (GNA1) catalyses the N-acetylation of D-­glucosamine 6-phosphate (GlcN-6P) using acetyl-CoA as an acetyl donor. The product GlcNAc-6P is an intermediate in the biosynthesis of UDP-GlcNAc. (b) Stereo figure showing a structural overview (in grey surface and ribbon representation) of the intertwined noncrystallographic CeGNA1 dimer. Secondary-structure elements of one subunit are labelled and coloured green (helices) and red (β-strands). The products CoA (orange) and GlcNAc-6P (green) are shown in stick representation binding in the corresponding subsites at the dimer interface where the β6 strand exchanges.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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