ChEBI: 3-thio-L-aspartic acid is a sulfur-containing amino acid that is L-aspartic acid substituted at position 3 by a thio (sulfanyl) group. It is a C4-dicarboxylic acid, a sulfur-containing amino acid, a thiol, a L-aspartic acid derivative, an amino dicarboxylic acid and a non-proteinogenic L-alpha-amino acid.