Transporter Classification Database

Other names: TCDB, Transport classification database (TCDB), tcdb

This freely accessible database details a comprehensive IUBMB approved classification system for membrane transport proteins known as the Transporter Classification (TC) system. The TC system is analogous to the Enzyme Commission (EC) system for classification of enzymes, except that it incorporates both functional and phylogenetic information for organisms of all types. As of April. 1, 2021, TCDB consists of 21,114 proteins classified in 16,558 non-redundant transport systems with 1,605 tabulated 3D structures, 19,196 reference citations describing 1,586 transporter families, of which 26% are members of 83 recognized superfamilies. Overall, this is an increase of over 50% since the last published update of the database in 2016. The most recent update of the database contents and features include (1) adoption of a chemical ontology for substrates of transporters, (2) inclusion of new superfamilies, (3) a domain-based characterization of transporter families (tcDoms) for the identification of new members as well as functional and evolutionary relationships between families, (4) development of novel software to facilitate curation and use of the database, (5) addition of new subclasses of transport systems including 11 novel types of channels and 3 types of group translocators, and (6) the inclusion of many man-made (artificial) transmembrane pores/channels and carriers.

Webpage:
https://tcdb.org/

Licence:
Name: Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
URL: https://creativecommons.org/licenses/by-sa/3.0/

Publications: (6)

Tags:

disease function analysis molecular function molecular structure protein structure transport protein sequence general sequence membrane and lipoproteins gene and protein families

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