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RHM3

Gene
RHM3
Protein
Trifunctional UDP-glucose 4,6-dehydratase/UDP-4-keto-6-deoxy-D-glucose 3,5-epimerase/UDP-4-keto-L-rhamnose-reductase RHM3
Organism
Arabidopsis thaliana
Length
664 amino acids
Function
Trifunctional enzyme involved in UDP-beta-L-rhamnose biosynthesis, a precursor of the primary cell wall components rhamnogalacturonan I (RG-I) and rhamnogalacturonan II (RG-II) (PubMed:17190829). Catalyzes the dehydration of UDP-glucose to form UDP-4-dehydro-6-deoxy-D-glucose followed by the epimerization of the C3' and C5' positions of UDP-4-dehydro-6-deoxy-D-glucose to form UDP-4-keto-beta-L-rhamnose and the reduction of UDP-4-keto-beta-L-rhamnose to yield UDP-beta-L-rhamnose (By similarity).
Similarity
In the C-terminal section; belongs to the dTDP-4-dehydrorhamnose reductase family.
Mass
74.914 kDa
Sequence
MATYKPKNILITGAAGFIASHVANRLVRSYPDYKIVVLDKLDYCSNLKNLNPSKSSPNFKFVKGDIASADLVNYLLITEEIDTIMHFAAQTHVDNSFGNSFEFTKNNIYGTHVLLEACKVTGQIRRFIHVSTDEVYGETDEDASVGNHEASQLLPTNPYSATKAGAEMLVMAYGRSYGLPVITTRGNNVYGPNQFPEKLIPKFILLAMNGKPLPIHGDGSNVRSYLYCEDVAEAFEVVLHKGEVNHVYNIGTTRERRVIDVANDISKLFGIDPDSTIQYVENRPFNDQRYFLDDQKLKKLGWCERTNWEEGLRKTMEWYTENPEWWGDVSGALLPHPRMLMMPGDRHSDGSDEHKNADGNQTFTVVTPTKAGCSGDKRSLKFLIYGKTGWLGGLLGKLCEKQGIPYEYGKGRLEDRASLIADIRSIKPSHVFNAAGLTGRPNVDWCESHKTETIRVNVAGTLTLADVCRENDLLMMNFATGCIFEYDAAHPEGSGIGFKEEDKPNFTGSFYSKTKAMVEELLREFDNVCTLRVRMPISSDLNNPRNFITKISRYNKVVNIPNSMTILDELLPISIEMAKRNLRGIWNFTNPGVVSHNEILEMYKSYIEPDFKWSNFNLEEQAKVIVAPRSNNEMDGAKLSKEFPEMLSIKDSLIKYVFEPNKRT