six:BSY16_1997 K00957 sulfate adenylyltransferase subunit 2 [EC:2.7.7.4] | (GenBank) cysD; sulfate adenylyltransferase, small subunit six:BSY16_1998 K00956 sulfate adenylyltransferase subunit 1 [EC:2.7.7.4] | (GenBank) cysN; sulfate adenylyltransferase, large subunit