accession number reference sequence accession number reference sequence accession number reference accession https://orcid.org/0000-0002-1107-9135 A centrally registered identifier symbol that specifies an individual sequence record in a public sequence repository and used as a basis for comparison against another sequence. reference sequence accession identifier ready for release The "Homo sapiens DRD2 mRNA" sequence has the NCBI reference sequence identifier NM_000795. https://orcid.org/0000-0002-9578-0788 https://github.com/obi-ontology/obi/issues/1579 Emma Griffiths