Function
Component of the N-acetylglucosamine catabolic cascade that phosphorylates N-acetylglucosamine (GlcNAc), and allows the unique ability to utilise GlcNAc as carbon source. Converts GlcNAc to GlcNAc-6-P. Also able to phosphorylate glucose, glucosamine (GlcN), and mannose. Galactose, fructose, N-acetylmannosamine (ManNAc), mannosamine (ManN), galactosamine (GalN), and N-acetylgalactosamine (GalNAc) are not phosphorylated by HXK1. GlcNAc metabolism is closely associated with virulence and morphogenesis, and is involved in the cell wall synthesis. Acts both as a repressor and an activator of genes involved in maintaining cellular homeostasis. Contributes to white-opaque morphological transition and plays a role as a filamentation repressor.
Sequence
MTETSISGLRGPKSMYFMEIVDVSSQESSVLSSIVESFTSAVSASNLGVYSDEVLCDIKSSLKENSPITMLPNYNVSPTGDEHGQYLVIDLGGSTLRIAVVDISKPHPNLSRSERITIVVEKSWIIGNDFKRIDGEFFKYIGSKINEILMGQNVIDVKSVINTGITWSFPLETTDYNRGKIKHVSKGYTVGEDIYDKDLKMVLEDTLRQEYGLTLDVQSILNDSLAVYSAGCFIDSKMKLAMVLGTGINMCCSLKRSSDIHPSKMLADATLFNCELSLFGQNLCKDFATKYDIIIDKRFAGLSHHFKTFMEPDPITKTLFQPHELMTSGRYLPELTRLVVVDLIEAGEIFQNVDHQQMYQEYGGFSGELICFVHENDDYDDIHDKLCKAYGWTTVGLSDIVCLKEVVSCIIKRAAFIVANAIIAFFKLLGSDELGGDVTIGYVGSVLNYFHKYRRLIVEYVNSAEEAKGIKVDLKLIENSSIIGAAIGAAYHK