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PIK3C2B O00750

含C2结构域的磷脂酰肌醇4-磷酸3-激酶β亚基 (PI3K-C2-beta) (PtdIns-3-激酶C2亚基β) (EC 2.7.1.137) (EC 2.7.1.154) (C2-PI3K) (磷酸肌醇3-激酶-C2-beta)

蛋白质信息 (UniProt)

含C2结构域的磷脂酰肌醇4-磷酸3-激酶β亚基 (PI3K-C2-beta) (PtdIns-3-激酶C2亚基β) (EC 2.7.1.137) (EC 2.7.1.154) (C2-PI3K) (磷酸肌醇3-激酶-C2-beta)

O00750

功能描述

磷酸化PtdIns和PtdIns4P,对PtdIns具有偏好性 (PubMed:10805725, PubMed:11533253, PubMed:9830063)。不磷酸化PtdIns(4,5)P2 (PubMed:9830063)。可能参与EGF和PDGF信号转导级联反应 (PubMed:10805725)。 {ECO:0000269|PubMed:10805725, ECO:0000269|PubMed:11533253, ECO:0000269|PubMed:9830063}。

组织特异性

Expressed in columnar and transitional epithelia, mononuclear cells, and ganglion cells (at protein level). Widely expressed, with highest levels in thymus and placenta and lowest in peripheral blood, skeletal muscle and kidney.

亚细胞定位

Microsome

关键词

ATP-binding Cell membrane Cytoplasm Endoplasmic reticulum Kinase Lipid metabolism Membrane Microsome Nucleotide-binding Nucleus