4.1.3.3 6 7 - 749150 4.1.3.3 6 8.5 for N-acetylneuraminate synthesis 748534 4.1.3.3 6.5 7 elimination 33332 4.1.3.3 6.5 7 elimination, crude extract 33326 4.1.3.3 6.8 - mutant K165-gamma-thialysine 727317 4.1.3.3 7 - assay at 727656 4.1.3.3 7 - for N-acetylneuraminate cleavage 748534 4.1.3.3 7 - soluble enzyme 714508 4.1.3.3 7 7.3 for both directions 713843 4.1.3.3 7.2 - - 33321, 650651