CO dehydrogenase/acetyl-CoA synthase, delta subunit
This is the small subunit of a heterodimer which catalyzes the reaction CO + H2O + Acceptor = CO2 + Reduced acceptor and is involved in the synthesis of acetyl-CoA from CO2 and H2. [Energy metabolism, Chemoautotrophy]
Jiyao W et al.(2023). "The conserved domain database in 2023.",