Accession codes vs identifiers

Accession codes vs identifiers - Accession codes vs...

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Accession codes vs identifiers Many databases in bioinformatics (SWISS-PROT, EMBL, GenBank, Pfam) use a system where an entry can be identified in two different ways. Basically, it has two names: Identifier Accession code (or number) The question how to deal with changed, updated and deleted entries in databases is a very tricky problem, and the policies for how accession codes and identifiers are changed or kept constant are not completely consistent between databases or even over time for one single database. The exact definition of what the identifier and accession code are supposed to denote varies between the different databases, but the basic idea is the following. Identifier An identifier ("locus" in GenBank, "entry name" in SWISS-PROT) is a string of letters and digits that generally is interpretable in some meaningful way by a human, for instance as a recognizable abbreviation of the full protein or gene name. SWISS-PROT uses a system where the entry name consists of two parts: the first
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Accession codes vs identifiers - Accession codes vs...

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