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From Wikipedia, the free encyclopedia
In molecular biology, the protein domain SRCR is short for Scavenger receptor cysteine-rich domain. They are found solely in eukaryotes. These domains are present on the cell membrane and have a role in binding to specific ligands and are often found to be involved with the immune system.[1]
The function of these endocytic receptors are to mediating non-opsonic phagocytosis in response to foreign ligands. This triggers various processes of host defence and immune response.[2]
The structure contains a six stranded beta-sheet and one alpha-helix.[1]
The speract receptor found in egg, is a transmembrane glycoprotein.[3] Other members of this family include the macrophage scavenger receptor type I, an enteropeptidase, and T-cell surface glycoprotein CD5.
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