Protein
L-sulfolactate dehydrogenase
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Function
Catalyzes the reduction of sulfopyruvate to (R)-sulfolactate much more efficiently than the reverse reaction. Also catalyzes the reduction of oxaloacetate, alpha-ketoglutarate, and to a much lower extent, KHTCA, but not pyruvate. Involved in the biosynthesis of both coenzyme M (with (R)-sulfolactate) and methanopterin (with alpha-ketoglutarate).
Similarity
Belongs to the LDH2/MDH2 oxidoreductase family.
Sequence
MILKPENEKKLIIDVLKKFGVPEEDAKITADVFVDADLKGFTSHGIGRFPQYITALKLGNINPKPDIKIVKESPATAVIDGDLGLGQVVGKKAMELAIKKAKNVGVGVVATRNANHFGIAGYYSELAMNQDMIGITITNTEPAMAPFGGKEKILGTNPIAIAFKGNKYKFSLDMATASIARGKILEALRKKIKIPEGCAVDKDGKPTTDPAKALEGCILPFGGPKGYGLALAIEMLSAIGGAEVGTKVKGTANPEERCTKGDLFIAINPEFFMGKEEFKRKVDELLDEIKNSEPAEGFEILIPGEIEERNKMKRKDGFEIDKNLYNQLKEICNELGLNIEDYIE