polypeptide_region 2A_self_cleaving_peptide_region 2019-10-21T10:41:49Z david 2A polypeptide region 2A self-cleaving polypeptide region sequence A region that codes for a 2A self-cleaving polypeptide region, which is a region that can result in a break in the peptide sequence at its terminal G-P junction. SO:0002224 Added by Dave Sant on October 21, 2019 per github request https://github.com/The-Sequence-Ontology/SO-Ontologies/issues/475