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Technical corner

Last modified January 10, 2017

UniProtKB entry view manual

User manual for the UniProtKB entry view.

UniProtKB flat file manual

User manual for the UniProtKB flat file format.

FASTA headers

Description of FASTA headers for UniProtKB (including alternative isoforms), UniRef, UniParc and archived UniProtKB versions.

UniProtKB query fields

List of supported fields for querying UniProtKB on this web site.

Browser support

Recommended list of major web browsers for the UniProt website.

How can I access resources on this web site programmatically?

FAQ with examples of web access using simple URLs (REST).


Java library for remote access to UniProt data: blast or search against UniProtKB, UniParc or UniRef to retrieve detailed entry information.

UniProt SPARQL endpoint

UniProt service to retrieve and manipulate data stored in Resource Description Framework (RDF) format (Help).


Object-oriented Perl library for parsing the UniProtKB text format.


Perl script to create alternatively-spliced protein sequences derived from UniProtKB entries.

XML Schemas for UniProt


Controlled vocabulary for UniProtKB Keywords in XML format.