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You are here:Home » Antibodies » Abs to Enzymes, Methyltransferase » Anti -PRMT4, CT (CARM1, Protein arginine N Methyltransferase 4)

Anti -PRMT4, CT (CARM1, Protein arginine N Methyltransferase 4)

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Specifications

Clone Host Grade Applications
Polyclonal Rabbit Affinity Purified B IP
Protein arginine N-methyltransferase 4 (PRMT4), also known as coactivator-associated arginine methyltransferase 1 (CARM1), is a member of the protein arginine N-methyltransferase (PRMT) family of proteins, which catalyze the transfer of a methyl group from S-adenosylmethionine (AdoMet) to a guanidine nitrogen of arginine (1). There are two types of PRMT proteins. While both types catalyze the formation of mono-methyl arginine, type I PRMTs (PRMT1, 3, 4 and 6) add an additional methyl group to produce asymmetric di-methyl arginine and type II PRMTs (PRMT 5 and 7) produce symmetric di-methyl arginine (1). Mono-methyl arginine, but not di-methyl arginine, can be converted to citrulline through deimination performed by enzymes such as PADI4 (2). Most of the PRMTs methylate arginine residues found within glycine-arginine rich (GAR) domains of proteins, such as RGG, RG and RXR repeats (1). However, PRMT4/CARM1 and PRMT5 instead methylate arginine residues within PGM (proline-, glycine-, methionine-rich) motifs (3). PRMT4 methylates Arg2, 17 and 26 of histone H3 and cooperates synergistically with p300/CBP and p160 coactivators to enhance transcriptional activation by nuclear receptor proteins (4). In addition, PRMT4 methylates many non-histone proteins, including transcriptional coactivators (p300/CBP, SRC-3) (5,6,7,8), splicing factors (SmB, CA150, SAP49, UIC) (3), RNA binding proteins (PABP1, Sam68, HuD, HuR) (9,10,11), and thymocyte cyclic AMP-regulated phosphoprotein (TARPP) (12), suggesting additional functions in transcriptional regulation, mRNA processing and thymocyte maturation. Methylation of the splicing factor CA150 by PRMT4 facilitates an interaction with the Tudor domain of SMN, suggesting a role for PRMT4 in spinal muscular atrophy (3).
Catalog #P9004-20D
ApplicationsSuitable for use in Immunoprecipitation and Western Blot. Other applications not tested.
Recommended DilutionWestern Blot: 1:1000
Immunoprecipitation: 1:50
Optimal dilutions to be determined by the researcher.
Storage and Stability:
May be stored at 4°C for short-term only. For long-term storage, store at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Clone TypePolyclonal
HostRabbit
SourceHuman
Concentration~0.05mg/ml
FormSupplied as a liquid in 10mM sodium HEPES, pH 7.5, 150mM sodium chloride, 100ug/ml BSA, 50% glycerol.
PurityPurified by protein A and peptide affinity chromatography.
ImmunogenSynthetic peptide (KLH-coupled) corresponding to the carboxy terminus of the human PRMT4/CARM1 protein.
SpecificityDetects endogenous levels of human PRMT4/CARM1 protein (isoform 1). Will not detect isoform 2 of PRMT4/CARM1. Does not crossreact with other PRMT proteins.
Species CrossreactivityMouse, monkey and rat.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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