ID 1.8.7.1 DE assimilatory sulfite reductase (ferredoxin). AN sulfite reductase (ferredoxin). CA 3 H2O + hydrogen sulfide + 6 oxidized [2Fe-2S]-[ferredoxin] = 7 H(+) + CA 6 reduced [2Fe-2S]-[ferredoxin] + sulfite. CC -!- The enzyme participates in sulfate assimilation. CC -!- While it is usually found in cyanobacteria, plants and algae, it has CC also been reported in bacteria (cf. EC 1.8.1.2). DR Q73YC1, SIR1_MYCPA ; O82802, SIR1_TOBAC ; Q73XV0, SIR2_MYCPA ; DR Q9LZ66, SIR_ARATH ; O23813, SIR_MAIZE ; Q7TYP6, SIR_MYCBO ; DR P9WJ02, SIR_MYCTO ; P9WJ03, SIR_MYCTU ; Q75NZ0, SIR_PEA ; DR Q9AWB2, SIR_SOYBN ; P30008, SIR_SYNE7 ; P72854, SIR_SYNY3 ; //