Is predicted to encode a protein with the following domains: Transketolase-like, pyrimidine-binding domain; Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II; Transketolase, pyrimidine binding domain; Transketolase, C-terminal domain; and Thiamin diphosphate-binding fold. Is an ortholog of C. elegans pdhb-1.