has part has part has role asparagine DL-Asparagine asparagine ASN Asn An alpha-amino acid in which one of the hydrogens attached to the alpha-carbon of glycine is substituted by a 2-amino-2-oxoethyl group. 2-amino-3-carbamoylpropanoic acid Hasp asparagina 2,4-diamino-4-oxobutanoic acid N CHEBI:22653 Wikipedia:Asparagine KEGG:C16438 Asparagin polar amino acid asparaginate asparaginium alpha-amino acid dicarboxylic acid monoamide 2-amino-2-oxoethyl group Daphnia magna metabolite algal metabolite