The enzyme, characterized from the bacteria Sphingomonas sp. SKA58 and Sulfobacillus thermosulfidooxidans, is involved in the non-phosphorylative degradation pathway for L-rhamnose. It does not show any detectable activity with NADP+ or with other aldoses.
Watanabe, S. and Makino, K. Novel modified version of nonphosphorylated sugar metabolism – an alternative L-rhamnose pathway of Sphingomonas sp. FEBS J.276 (2009) 1554–1567. [PMID: 19187228]
Bae, J., Kim, S.M. and Lee, S.B. Identification and characterization of 2-keto-3-deoxy-L-rhamnonate dehydrogenase belonging to the MDR superfamily from the thermoacidophilic bacterium Sulfobacillus thermosulfidooxidans: implications to L-rhamnose metabolism in archaea. Extremophiles19 (2015) 469–478. [PMID: 25617114]