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Jab1 antibody

Cat. No. GTX12185

Host

Rabbit

Clonality

Polyclonal

Isotype

IgG

Application

WB, IHC-P, IP

Reactivity

Human, Mouse, Rat
Package
100 μl ($399)

APPLICATION

Application Note

*Optimal dilutions/concentrations should be determined by the researcher.
Application Recommended Dilution
WB 1:500
IHC-P 1:100
IP 20-40 μg
Not tested in other applications.

Calculated MW

38 kDa. ( Note )

Positive Control

A431, NIH3T3, PC12, human breast carcinoma

PROPERTIES

Form

Liquid

Buffer

PBS

Preservative

15mM Sodium azide

Storage

Store as concentrated solution. Centrifuge briefly prior to opening vial. For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.

Concentration

Batch dependent (Please refer to the vial label for the specific concentration.)

Antigen Species

Human

Immunogen

synthetic peptide corresponding to amino acid residues 201-216 of human Jab1, conjugated to KLH. The corresponding sequence is identical in mouse and rat.

Purification

IgG fraction

Conjugation

Unconjugated

Note

For laboratory research use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.

Purchasers shall not, and agree not to enable third parties to, analyze, copy, reverse engineer or otherwise attempt to determine the structure or sequence of the product.

TARGET

Synonyms

COP9 signalosome subunit 5 , CSN5 , JAB1 , MOV-34 , SGN5

Cellular Localization

Cytoplasm, cytosol,Nucleus

Background

Jun activation domain-binding protein 1 (JAB1) also designated COP9 subunit 5 (COPS5) or SGN5 is a coactivator of AP1 transcription factor that also promotes degradation of the cyclin-dependent kinase inhibitor p27Kip1. JAB1 interacts with c-Jun AP1 containing complexes, and enhances transactivation from AP1 dependent promoters. It also interacts with Jun D but not with Jun B or v-Jun. JAB1 is highly conserved in evolution and is widely expressed in mammalian tissues. It is localized both the nucleus and the cytoplasm. It interacts with the cytoplasmic domain of the alphaL/beta2 integrin LFA1. Following LFA1 engagement the nuclear pool of JAB1 increases and activation of an AP1 driven promoter is enhanced. Interaction of JAB1 with the nuclear progesterone receptor and the steroid receptor activator (SRC1) was reported. JAB1 is a stability and activity regulator of Hypoxia - inducible factor 1 (HIF1), a transcription factor that controls activation of several genes responsive to the cellular oxygen tension. The macrophage migration inhibitory factor (MIF) associates with JAB1 in the cytosol near the plasma membrane. Endogenous MIF inhibits JAB1-induced AP1 transcriptional activity. JAB1 is a subunit of the COP9 regulatory complex. COP9 cleaves the ubiquitin-like protein Nedd8 from the Cul1 subunit of SCF ubiquitin ligases. A metalloprotease motif in JAB1 plays a role in this isopeptidase activity. Breakdown of the cyclin dependent kinase inhibitor p27Kip1 is promoted by JAB1. The latter expression in several cancers inversely correlates with p27Kip1 and may reflect tumor aggressiveness. A possible involvement of JAB1 in atherosclerosis was also reported. Involvement of JAB1 in degradation of the suppressors p53 and smad4 was described recently.

Database

Research Area

REFERENCE

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REVIEW

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SDS
PBS.pdf
Sodium Azide.pdf
Package List Price ($)
$ 399