Overview:
SRPK1 is a Ser/Thr protein kinase that has sequence and function similar to SRPK2. In human cancer cells, it was observed that inactivation of SRPK1 induces cellular resistance to anticancer drugs such as cisplatin and bleomycin (1). SRPK1 phosphorylates serine/arginine-rich (SR) proteins, such as splicing factors ASF/SF2, SC35, and SRp55, in their arginine/serine-rich (RS) domains in vitro.Hence it is believed that SRPK1 plays a key role in regulation of both constitutive and alternative splicing by regulating intracellular localization of splicing factors (2).
Gene Aliases:
SFRSK1
Genbank Number:
BC038292
References:
1.Hayes, G.M. et al: Serine-arginine protein kinase 1 overexpression is associated with tumorigenic imbalance in mitogen-activated protein kinase pathways in breast, colonic, and pancreatic carcinomas. Cancer Res. 2007;67(5):2072-80.2.Gui, J.-F. et al: A serine kinase regulates intracellular localization of splicing factors in the cell cycle. Nature 369: 678-682, 1994.
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那糖酵解中依赖NAD的酶不是要在线粒体内反应?
蛋白酶分布广泛,主要存在于人和动物消化道中,而消化道通过口与肛门与外界相通,属于外环境或外界环境
(溶菌酶、凝血酶原等)分布在内环境
(消化)酶分布在消化道

