Defined in file mmdb1.asn C++ class: CBiostruc_source Biostruc-source ::= SEQUENCE { name-of-database VisibleString, version-of-database CHOICE { release-date Date, release-code VisibleString } OPTIONAL, database-entry-id Biostruc-id, database-entry-date Date, database-entry-history SEQUENCE OF VisibleString OPTIONAL}