ext-link-type

Type of External Link

Describes the type of external link — for example, the specific source to which the link points (“pdb”, “pir”), the identifier type (“doi”,“aoi”), or the access method (“ftp”, “uri”)

Attribute Values

In Elements

<ext-link>
<related-article>
Value Meaning
Text, numbers, or special characters The type of link, for example, “ftp” or “uri”. This attribute may take any value, but see the list of suggested values below.
Restriction: This attribute may be specified if the element is used.

Suggested usage

If the external source is not in the list below, the type of link (DOI, AOI) or type of access (ftp, URI) should be named.

aoi

Astronomical Object Identifier

doi

Digital Object Identifier

ec

Enzyme nomenclature; see http://www.chem.qmw.ac.uk/iubmb/enzyme/

email

Email address

ftp

File Transfer Protocol

gen

GenBank identifier

genpept

Translated protein-encoding sequence database

highwire

HighWire Press intrajournal

nlm-ta

NLM title abbreviation

pdb

Protein Data Bank; see http://www.rcsb.org/pdb/

pgr

Plant Gene Register; see http://www.tarweed.com/pgr/b

pir

Protein Information Resource; see http://pir.georgetown.edu

pirdb

Protein information resource; see http://pir.georgetown.edu

pmcid

PubMed Central identifer

pmid

PubMed identifier

sprot

Swiss-Prot; see http://www.ebi.ac.uk/swissprot/

uri

Website or web service