DDBJ amino acid database (DAD) Rel.44 was released on Jul. 4, 2008 at DDBJ. DAD Rel 44.0 consists of 12,561,319 entries, and the total number of residues reached 3,268,722,437.<dd>The periodical release and the new data are available by FTP download from the “FTP/Web API” page.</dd>