
Keywords: BV, benzylviologen; BVred, reduced BV; CoM-S-S-CoB, disulfide from HS-CoM and HS-CoB; HDR, heterodisulfide reductase; HS-CoB, N-7-mercaptoheptanoyl-l-threonine phosphate; HS-CoM, 2-mercaptoethanesulfonate; MV, methylviologen; MVred, reduced MVBiogas plant