aem:CK911_13390 K00957 sulfate adenylyltransferase subunit 2 [EC:2.7.7.4] | (GenBank) sulfate adenylyltransferase subunit CysD aem:CK911_13385 K00956 sulfate adenylyltransferase subunit 1 [EC:2.7.7.4] | (GenBank) sulfate adenylyltransferase subunit CysN