EIF2AK2/PKR Polyclonal Antibody

$Formalin-fixed and paraffin embedded rat kidney labeled with Anti EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:200 followed by conjugation to the secondary antibody and DAB staining$

Formalin-fixed and paraffin embedded rat kidney labeled with Anti EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:200 followed by conjugation to the secondary antibody and DAB staining

$Formalin-fixed and paraffin embedded rat brain labeled with Anti-EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:200 followed by conjugation to the secondary antibody and DAB staining$

Formalin-fixed and paraffin embedded rat brain labeled with Anti-EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:200 followed by conjugation to the secondary antibody and DAB staining

$Paraformaldehyde-fixed, paraffin embedded mouse spleen tissue; Antigen retrieval by boiling in sodium citrate buffer(pH6) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 30 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 20min; Antibody incubation with Rabbit Anti-EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:500 overnight at 4\u00b0C, followed by a conjugated secondary and DAB staining$

Paraformaldehyde-fixed, paraffin embedded mouse spleen tissue; Antigen retrieval by boiling in sodium citrate buffer(pH6) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 30 minutes; Blocking buffer (normal goat serum) at 37\u00b0C for 20min; Antibody incubation with Rabbit Anti-EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:500 overnight at 4\u00b0C, followed by a conjugated secondary and DAB staining

$Lane 1: Hela cell lysates; Lane 2: 293T cell lysates probed with EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.$

Lane 1: Hela cell lysates; Lane 2: 293T cell lysates probed with EIF2AK2\/PKR Polyclonal Antibody, Unconjugated (bs-1493R) at 1:1000 dilution and 4˚C overnight incubation. Followed by conjugated secondary antibody incubation at 1:20000 for 60 min at 37˚C.

$A431 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37\u00b0C for 20 min; Antibody incubation with (PKR) polyclonal Antibody, Unconjugated (bs-1493R) 1:100, 90 minutes at 37\u00b0C; followed by a conjugated Goat Anti-Rabbit IgG antibody at 37\u00b0C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.$

A431 cell; 4% Paraformaldehyde-fixed; Triton X-100 at room temperature for 20 min; Blocking buffer (normal goat serum, C-0005) at 37\u00b0C for 20 min; Antibody incubation with (PKR) polyclonal Antibody, Unconjugated (bs-1493R) 1:100, 90 minutes at 37\u00b0C; followed by a conjugated Goat Anti-Rabbit IgG antibody at 37\u00b0C for 90 minutes, DAPI (blue, C02-04002) was used to stain the cell nuclei.

Applications

WB
ELISA
FCM
IHC-P
IHC-F
IF(IHC-P)
IF(IHC-F)
IF(ICC)

Reactivity

Human
Mouse
Rat

Overview
Catalog #	bs-1493R
Product Name	EIF2AK2/PKR Polyclonal Antibody
Applications	WB, ELISA, FCM, IHC-P, IHC-F, IF(IHC-P), IF(IHC-F), IF(ICC)
Reactivity	Human, Mouse, Rat
Specifications
Conjugation	Unconjugated
Host	Rabbit
Source	KLH conjugated synthetic peptide derived from human PKR
Immunogen Range	251-360/551
Clonality	Polyclonal
Isotype	IgG
Concentration	1ug/ul
Purification	Purified by Protein A.
Storage Buffer	0.01M TBS(pH7.4) with 1% BSA, 0.02% Proclin300 and 50% Glycerol.
Storage Condition	Shipped at 4°C. Store at -20°C for one year. Avoid repeated freeze/thaw cycles.
Target
Gene ID	5610
Swiss Prot	P19525
Subcellular location	Cytoplasm
Synonyms	Interferon-induced, double-stranded RNA-activated protein kinase; Eukaryotic translation initiation factor 2-alpha kinase 2; eIF-2A protein kinase 2; Interferon-inducible RNA-dependent protein kinase; P1/eIF-2A protein kinase; Protein kinase RNA-activated; PKR; Tyrosine-protein kinase EIF2AK2; p68 kinase; EIF2AK2; PRKR
Background	IFN-induced dsRNA-dependent serine/threonine-protein kinase which plays a key role in the innate immune response to viral infection and is also involved in the regulation of signal transduction, apoptosis, cell proliferation and differentiation. Exerts its antiviral activity on a wide range of DNA and RNA viruses including hepatitis C virus (HCV), hepatitis B virus (HBV), measles virus (MV) and herpes simplex virus 1 (HHV-1). Inhibits viral replication via phosphorylation of the alpha subunit of eukaryotic initiation factor 2 (EIF2S1), this phosphorylation impairs the recycling of EIF2S1 between successive rounds of initiation leading to inhibition of translation which eventually results in shutdown of cellular and viral protein synthesis. Also phosphorylates other substrates including p53/TP53, PPP2R5A, DHX9, ILF3, IRS1 and the HHV-1 viral protein US11. In addition to serine/threonine-protein kinase activity, also has tyrosine-protein kinase activity and phosphorylates CDK1 at 'Tyr-4' upon DNA damage, facilitating its ubiquitination and proteosomal degradation. Either as an adapter protein and/or via its kinase activity, can regulate various signaling pathways (p38 MAP kinase, NF-kappa-B and insulin signaling pathways) and transcription factors (JUN, STAT1, STAT3, IRF1, ATF3) involved in the expression of genes encoding proinflammatory cytokines and IFNs. Activates the NF-kappa-B pathway via interaction with IKBKB and TRAF family of proteins and activates the p38 MAP kinase pathway via interaction with MAP2K6. Can act as both a positive and negative regulator of the insulin signaling pathway (ISP). Negatively regulates ISP by inducing the inhibitory phosphorylation of insulin receptor substrate 1 (IRS1) at 'Ser-312' and positively regulates ISP via phosphorylation of PPP2R5A which activates FOXO1, which in turn up-regulates the expression of insulin receptor substrate 2 (IRS2).
Application Dilution
WB	1:300-5000
ELISA	1:500-1000
FCM	1:20-100
IHC-P	1:200-400
IHC-F	1:100-500
IF(IHC-P)	1:50-200
IF(IHC-F)	1:50-200
IF(ICC)	1:50-200