重组
expressed in baculovirus infected Sf9 cells
产品线
PRECISIO® Kinase
方案
≥70% (SDS-PAGE)
表单
buffered aqueous glycerol solution
比活
2.1-2.9 nmol/min·mg
分子量
~89 kDa
NCBI登记号
运输
dry ice
储存温度
−70°C
基因信息
human ... GRK7(131890)
一般描述
GRK7 is a member of the G protein-coupled receptor kinase subfamily and is a Ser/Thr protein kinase. GRK7 is specifically expressed in the retina and has been shown to phosphorylate cone opsins and initiate their deactivation. GRK7 catalyzes rhodopsin phosphorylation in a light-dependent manner. GRK7 co-localizes with GRK1 in human cone outer segments. PKA phosphorylates GRK7 at Ser(23) and Ser(36) in vitro and phosphorylation of GRK7 by PKA reduces the ability of GRK7 to phosphorylate rhodopsin in vitro. Since exposure to light causes a decrease in cAMP levels in rod cells, it is proposed that phosphorylation of GRK7 by PKA occurs in the dark.
外形
Supplied in 50mM Tris-HCl, pH 7.5, 150mM NaCl, 10mM glutathione, 0.1mM EDTA, 0.25mM DTT, 0.1mM PMSF, 25% glycerol.
制备说明
after opening, aliquot into smaller quantities and store at -70 °C. Avoid repeating handling and multiple freeze/thaw cycles
法律信息
PRECISIO is a registered trademark of Merck KGaA, Darmstadt, Germany
储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
新产品
C K Chen et al.
Molecular vision, 7, 305-313 (2002-01-05)
Homozygous inactivation of the mouse gene for GRK1 (G protein-coupled receptor kinase 1, or rhodopsin kinase) causes severe defects in the recovery of cone phototransduction. However, electroretinographic (ERG) analyses of human oguchi patients with defective GRK1 alleles showed normal or
Thierry J Horner et al.
The Journal of biological chemistry, 280(31), 28241-28250 (2005-06-11)
Phosphorylation of G protein-coupled receptors is a critical step in the rapid termination of G protein signaling. In rod cells of the vertebrate retina, phosphorylation of rhodopsin is mediated by GRK1. In cone cells, either GRK1, GRK7, or both, depending
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