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The cystatin superfamily is a well-established family of cysteine protease inhibitors. All true cystatins inhibit cysteine peptidases of the papain family, such as cathepsins, while some also inhibit legumain family enzymes. The CRES (cystatin-related epididymal spermatogenic) protein defines a new subgroup in the family 2 cystatins of the cystatin superfamily. CRES proteins lack two of the three consensus sites necessary for the cystatin inhibition of C1 cysteine proteases. They are also preferentially expressed in postmeiotic germ cells, the proximal caput epididymidis, and anterior pituitary gonadotrophs. Therefore, CRES proteins may perform unique and tissue-specific functions in the reproductive and neuroendocrine systems. As a member of the CRES subfamily, Cystatin 8 is a 142 amino acid protein that is expressed in the proximal caput region of the epididymis, where it performs a specialized role during sperm development and maturation.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: CST 8; cystatin 8 (cystatin-related epididymal specific); cystatin 8 (cystatin-related epididymal spermatogenic); Cystatin-8; Cystatin-related epididymal spermatogenic protein; Cystatin-related epididymal-specific protein
基因别名: CRES; Cst-rs1; CST8; CTES5
UniProt ID: (Human) O60676, (Rat) O88969, (Mouse) P32766
Entrez Gene ID: (Human) 10047, (Rat) 29679, (Mouse) 13012