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CPQ Q9Y646

羧肽酶Q (EC 3.4.17.-) (溶酶体二肽酶) (血浆谷氨酸羧肽酶)

蛋白质信息 (UniProt)

羧肽酶Q (EC 3.4.17.-) (溶酶体二肽酶) (血浆谷氨酸羧肽酶)

Q9Y646

功能描述

羧肽酶,可能在循环肽的水解中起重要作用。催化末端未取代的二肽水解为氨基酸。可能在从甲状腺球蛋白(Tg)前体释放甲状腺素激素中起作用。

组织特异性

Mainly detected in blood plasma. Abundant in placenta and kidney. Present at low level in muscles, liver and skin fibroblasts. Not detected in brain or white blood cells (at protein level).

亚细胞定位

Endoplasmic reticulum

关键词

Carboxypeptidase Direct protein sequencing Endoplasmic reticulum Glycoprotein Golgi apparatus Hydrolase Lysosome Metal-binding Metalloprotease Protease