P1787

Sigma-Aldrich

Protein Kinase CβI isozyme human

≥95% (SDS-PAGE), recombinant, expressed in baculovirus infected insect cells, buffered aqueous glycerol solution

Synonym(s):
PKCβI, Ca2+-activated phospholipid-dependent serine-threonine kinase
Enzyme Commission number:
MDL number:
NACRES:
NA.32

Quality Level

recombinant

expressed in baculovirus infected insect cells

assay

≥95% (SDS-PAGE)

form

buffered aqueous glycerol solution

specific activity

≥700 units/mg protein

mol wt

apparent mol wt 79-80 kDa

UniProt accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... PRKCB(5579)

Biochem/physiol Actions

Protein Kinase C (PKC) is a serine/threonine kinase that is activated intracellularly by signal transduction pathways that produce DAG from phosphatidylinositol diphosphate (PIP2) and phosphatidylcholine (PC) through the action of various activated phospholipases. Phorbol esters also stimulate PKC. At least 11 PKC isozymes have been identified that differ in primary structure, tissue distribution, subcellular localization, response to extracellular signals, and substrate specificity. The isozymes can be grouped into three subfamilies. Members of the first family require Ca2+ and phospholipid and include PKCα, βI, βII, and γ. Members of the second family are phospholipid-dependent but Ca2+-independent, and include PKCδ, ε, η, and θ. Members of the third family are not activated by either DAG or phorbol esters and include PKCξ, μ, and ι.
Phosphorylation appears to be an important mechanism of regulation of all PKCs. PKC plays a role in the regulation of cell transformation, growth, differentiation, ruffling, vesicle trafficking, apoptosis and gene expression.

Unit Definition

One unit will transfer 1 nmol of phosphate to histone H1 in 1 min at pH 7.4 at 30 °C.

Physical form

Solution in 20 mM HEPES, pH 7.4; 2 mM EDTA, 2 mM EGTA, 5 mM DTT, 100 mM NaCl, 0.05% Triton X-100, and 50% glycerol.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Yong Xiang et al.
Plant physiology, 144(3), 1416-1428 (2007-05-31)
Plants respond to adverse environments by initiating a series of signaling processes that often involves diverse protein kinases, including calcineurin B-like protein-interacting protein kinases (CIPKs). In this study, putative CIPK genes (OsCIPK01-OsCIPK30) in the rice (Oryza sativa) genome were surveyed...
Cecilia D'Angelo et al.
The Plant journal : for cell and molecular biology, 48(6), 857-872 (2006-11-10)
Intracellular release of calcium ions belongs to the earliest events in cellular stress perception. The molecular mechanisms integrating signals from different environmental cues and translating them into an optimized response are largely unknown. We report here the functional characterization of...
Girdhar K Pandey et al.
Cell research, 17(5), 411-421 (2007-05-09)
Potassium is one of the major macro-nutrients essential for a number of cellular processes in plants. Low potassium level in the soil represents a limiting factor for crop production. Recent studies have identified potassium transporters that are involved in potassium...
Bingfang Xu et al.
Developmental biology, 319(2), 211-222 (2008-06-06)
Targeted deletion of Tssk1 and 2 resulted in male chimeras which produced sperm/spermatogenic cells bearing the mutant allele, however this allele was never transmitted to offspring, indicating infertility due to haploinsufficiency. Morphological defects in chimeras included failure to form elongated...
Mayuko Akaboshi et al.
Journal of molecular biology, 377(1), 246-257 (2008-02-02)
Calcium signals mediate a multitude of plant responses to external stimuli. Calcineurin B-like (CBL) proteins and their target kinases, CBL-interacting protein kinases (CIPKs), represent important relays in plant calcium signaling. CBL interacts with CIPK through a conserved motif (NAF/FISL motif)...

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