ADAMTSL4-AS1 encodes the human gene, ADAMTSL4 antisense RNA 1. It may also be known as: Uncharacterized protein ADAMTSL4-AS1; ADAMTSL4 antisense gene protein 1; C1orf138. The encoded protein has an amino acid length of 129 and a mass of 14.1 kDa. Other isoforms may exist.