Molecular weight (DA)
80kD
Immunogen
The antiserum was produced against synthesized peptide derived from human ADARB1. AA range:481-530
Specificity
ADAR2 Polyclonal Antibody detects endogenous levels of ADAR2 protein.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
WB: 1/500 - 1/2000. IHC: 1/100 - 1/300. ELISA: 1/20000.. IF 1:50-200
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
This gene encodes the enzyme responsible for pre-mRNA editing of the glutamate receptor subunit B by site-specific deamination of adenosines. Studies in rat found that this enzyme acted on its own pre-mRNA molecules to convert an AA dinucleotide to an AI dinucleotide which resulted in a new splice site. Alternative splicing of this gene results in several transcript variants, some of which have been characterized by the presence or absence of an ALU cassette insert and a short or long C-terminal region. [provided by RefSeq, Jul 2008],
Function
alternative products:Additional isoforms seem to exist,cofactor:Binds 1 inositol hexakisphosphate (IP6) per subunit.,function:Editing of the messenger RNAs for glutamate receptor (GluR) subunits by site-selective adenosine deamination. Edits both the GluR-B Q/R and R/G sites efficiently but converts the adenosine in hotspot1 much less efficiently.,similarity:Contains 1 A to I editase domain.,similarity:Contains 2 DRBM (double-stranded RNA-binding) domains.,
Protein name
Double-stranded RNA-specific editase 1
Other name
ADARB1; ADAR2; DRADA2; RED1; Double-stranded RNA-specific editase 1; RNA-editing deaminase 1; RNA-editing enzyme 1; dsRNA adenosine deaminase
Human protein sequence Database
P78563
Mouse protein sequence database
Q91ZS8
Rat protein sequence database
P51400
Cellular localization
Nucleus . Nucleus, nucleolus . Shuttles between nucleoli and the nucleoplasm. .; [Isoform 1]: Nucleus . Nucleus, nucleolus .; [Isoform 2]: Nucleus . Nucleus, nucleolus .
Tissue expression
Highly expressed in brain and heart and at lower levels in placenta. Fair expression in lung, liver and kidney. Detected in brain, heart, kidney, lung and liver (at protein level). ; [Isoform 5]: Highly expressed in hippocampus and colon. Expressed in pediatric astrocytomas and the protein has a decreased RNA-editing activity. The decrease in RNA editing correlates with the grade of malignancy of the tumors, with the high grade tumors showing lower editing is seen.
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