External Ids for CST5 Gene
Previous GeneCards Identifiers for CST5 Gene
The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and the kininogens. The type 2 cystatin proteins are a class of cysteine proteinase inhibitors found in a variety of human fluids and secretions. The cystatin locus on chromosome 20 contains the majority of the type 2 cystatin genes and pseudogenes. This gene is located in the cystatin locus and encodes a protein found in saliva and tears. The encoded protein may play a protective role against proteinases present in the oral cavity. [provided by RefSeq, Jul 2008]
GeneCards Summary for CST5 Gene
CST5 (Cystatin D) is a Protein Coding gene. Among its related pathways are Endochondral Ossification and Salivary secretion. GO annotations related to this gene include cysteine-type endopeptidase inhibitor activity. An important paralog of this gene is CST2.
UniProtKB/Swiss-Prot for CST5 Gene
Cysteine proteinase inhibitor that possibly plays a protective role against proteinases present in the oral cavity. The order of preference for inhibition is cathepsin S > cathepsin H > cathepsin L > cathepsin B.