Drosophila melanogaster sialic acid synthase cDNA sequence 637821 Drosophila melanogaster sialic acid synthase, single genomic clone 637821 Escherichia coli neuB gene product amino acid sequence accession. no. 637819, 637820, 637821 Homo sapiens - 671280, 671716, 671800, 671868, 677008, 685801, 689622 Homo sapiens amino acid sequence 637820, 637821 Homo sapiens expression in Sf9 system 658129 Homo sapiens human 637814 Mus musculus mouse, neuB gene product accession. no. 637819 Ovis aries sheep 637814 Rattus norvegicus rat 135465, 2423, 637814, 637820, 81039