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TEC P42680

酪氨酸蛋白激酶Tec (EC 2.7.10.2)

蛋白质信息 (UniProt)

酪氨酸蛋白激酶Tec (EC 2.7.10.2)

P42680

功能描述

非受体酪氨酸激酶,参与来自多种受体的信号传导,并作为信号转导子参与多种下游途径,包括肌动蛋白细胞骨架的调节。在调节适应性免疫反应中与ITK发挥冗余作用。调节常规T细胞和非常规NKT细胞的发育、功能和分化。TCR依赖性IL2基因诱导所必需。磷酸化DOK1(一种CD28特异性底物),并参与CD28信号传导。介导负向调节TCR交联诱导的IL2RA表达的信号。在BCR信号传导中与BTK发挥冗余作用,以促进B细胞的发育和激活,特别是通过磷酸化STAP1(一种BCR信号蛋白)。肥大细胞高效产生细胞因子所必需。通过粒细胞集落刺激因子CSF3的激活参与髓系细胞的生长和分化机制,CSF3是促进髓系细胞生长、分化和功能激活的关键细胞因子。参与整合素激活下游的血小板信号传导。与JAK2通过相互磷酸化协作,介导细胞因子驱动的FOS转录激活。GRB10是FOS激活途径的负调节因子,也是TEC的另一个底物。TEC参与血小板中的G蛋白偶联受体和整合素介导的信号传导。在肝细胞增殖和肝脏再生中发挥作用,并参与HGF诱导的ERK信号通路。TEC还通过磷酸化FGF2的'Tyr-215',在各种生理条件下调节FGF2的非经典分泌(内质网(ER)/高尔基体非依赖性机制)。可能也参与破骨细胞分化的调节。 {ECO:0000269|PubMed:10518561, ECO:0000269|PubMed:19883687, ECO:0000269|PubMed:20230531, ECO:0000269|PubMed:9753425}。

组织特异性

Expressed in a wide range of cells, including hematopoietic cell lines like myeloid, B-, and T-cell lineages.

亚细胞定位

Cytoplasm. Cell membrane; Peripheral membrane protein. Cytoplasm, cytoskeleton. Note=Following B-cell or T-cell receptors activation by antigen, translocates to the plasma membrane through its PH domain. Thrombin and integrin engagement induces translocation of TEC to the cytoskeleton during platelet activation. In cardiac myocytes, assumes a diffuse intracellular localization under basal conditions but is recruited to striated structures upon various stimuli, including ATP (By similarity).

关键词

3D-structure Adaptive immunity ATP-binding Cell membrane Cytoplasm Cytoskeleton Direct protein sequencing Immunity Kinase Lipid-binding