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In molecular biology, a protein domain is a region of a protein's polypeptide chain that is self-stabilizing and that folds independently from the rest. Each domain forms a compact folded three-dimensional structure. Many proteins consist of several domains, and a domain may appear in a variety of different proteins.
Learn what a protein domain is and how it is classified and predicted in UniProtKB. Find out how to use InterPro resources and UniPro annotation to explore protein domains and their functions.
InterPro provides functional analysis of proteins by classifying them into families and predicting domains and important sites. We combine protein signatures from a number of member databases into a single searchable resource, capitalising on their individual strengths to produce a powerful integrated database and diagnostic tool.
6 dni temu · PROSITE consists of documentation entries describing protein domains, families and functional sites as well as associated patterns and profiles to identify them [More... / References / Commercial users].
Learn what protein domains are and how they contribute to the overall role of a protein. Explore examples of domains with different functions and interactions, such as SH3, SH2 and PX domains.
Domain names often derive from their prominent biological function in the protein they belong to (e.g., the calcium-binding domain of calmodulin), or from their discoverers (the PH domain!). The domain swapping that gives rise to gene families and superfamilies are natural genetic events.
Enter protein or nucleotide query as accession, gi, or sequence in FASTA format. For multiple protein queries, use Batch CD-Search.
