Protein
L-rhamnonate dehydratase
Organism
Escherichia coli (strain K12)
Function
Catalyzes the dehydration of L-rhamnonate to 2-keto-3-deoxy-L-rhamnonate (KDR). Can also dehydrate L-lyxonate, L-mannonate and D-gulonate, although less efficiently, but not 2-keto-4-hydroxyheptane-1,7-dioate.
Similarity
Belongs to the mandelate racemase/muconate lactonizing enzyme family. RhamD subfamily.
Sequence
MTLPKIKQVRAWFTGGATAEKGAGGGDYHDQGANHWIDDHIATPMSKYRDYEQSRQSFGINVLGTLVVEVEAENGQTGFAVSTAGEMGCFIVEKHLNRFIEGKCVSDIKLIHDQMLSATLYYSGSGGLVMNTISCVDLALWDLFGKVVGLPVYKLLGGAVRDEIQFYATGARPDLAKEMGFIGGKMPTHWGPHDGDAGIRKDAAMVADMREKCGEDFWLMLDCWMSQDVNYATKLAHACAPYNLKWIEECLPPQQYESYRELKRNAPVGMMVTSGEHHGTLQSFRTLSETGIDIMQPDVGWCGGLTTLVEIAAIAKSRGQLVVPHGSSVYSHHAVITFTNTPFSEFLMTSPDCSTMRPQFDPILLNEPVPVNGRIHKSVLDKPGFGVELNRDCNLKRPYSH