SRP5033

Sigma-Aldrich

GRK1, active, GST tagged human

PRECISIO® Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution

Sinónimos:
GPRK1, RK, RHOK
NACRES:
NA.32
En este momento no podemos mostrarle ni los precios ni la disponibilidad

recombinant

expressed in baculovirus infected Sf9 cells

product line

PRECISIO® Kinase

assay

≥70% (SDS-PAGE)

form

buffered aqueous glycerol solution

specific activity

3.6-4.9 nmol/min·mg

mol wt

~95 kDa

NCBI accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... GRK1(6011)

General description

GRK1 is a member of the guanine nucleotide-binding protein (G protein)-coupled receptor kinase subfamily of the Ser/Thr protein kinases. GRK1 mediates rapid desensitization of rod photoreceptors to light by catalyzing phosphorylation of the visual pigment rhodopsin which leads to its deactivation. Defects in GRK1 are known to cause Oguchi disease 2 (also known as stationary night blindness Oguchi type-2). GRK1 can be phosphorylated by PKA and this reduces the ability of GRK1 to phosphorylate rhodopsin in vitro. It is speculated that phosphorylation of GRK1 by PKA in vivo occurs in the dark when cAMP levels in photoreceptor cells are elevated.

Physical form

Supplied in 50mM Tris-HCl, pH 7.5, 150mM NaCl, 10mM glutathione, 0.1mM EDTA, 0.25mM DTT, 0.1mM PMSF, 25% glycerol.

Preparation Note

after opening, aliquot into smaller quantities and store at -70 °C. Avoid repeating handling and multiple freeze/thaw cycles

Legal Information

PRECISIO is a registered trademark of Sigma-Aldrich Co. LLC

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point F

Not applicable

Flash Point C

Not applicable

S C Khani et al.
Genomics, 35(3), 571-576 (1996-08-01)
G-protein-dependent receptor kinases (GRKs) play a key role in the adaptation of receptors to persistent stimuli. In rod photoreceptors rhodopsin kinase (RK) mediates rapid desensitization of rod photoreceptors to light by catalyzing phosphorylation of the visual pigment rhodopsin. To study...
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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