2.3.1.8 additional information - - 487522 2.3.1.8 additional information - assay methods 487513, 487517 2.3.1.8 additional information - specific activities of recombinant plasmids expressed in Escherichia coli and Clostridium acetobutylicum 487538 2.3.1.8 12.8 - - 487524 2.3.1.8 31.6 - - 487525 2.3.1.8 225 - - 487537 2.3.1.8 396 - - 487523 2.3.1.8 950 - - 487515 2.3.1.8 1124 - - 487533 2.3.1.8 1150 - - 487543