SRP0145
PRMT5/MEP50 Active human
recombinant, expressed in FreeStyle™ 293-F cells, ≥60% (SDS-PAGE)
Synonym(s):
Arginine methyltransferase 5, HMT1 hnRNP methyltransferase-like 5(HRMT1L5), ICln-binding protein (IBP72) 72 kDa, Jak-binding protein 1 (JBP1), shk1 kinase-binding protein 1 homolog (SKB1)
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About This Item
UNSPSC Code:
12352200
NACRES:
NA.32
Recommended Products
biological source
human
recombinant
expressed in FreeStyle™ 293-F cells
assay
≥60% (SDS-PAGE)
form
aqueous solution
mol wt
37.5 kDa (MEP50)
73 kDa (PRMT5)
packaging
pkg of 20 μg
manufacturer/tradename
Sigma-Aldrich
storage condition
avoid repeated freeze/thaw cycles
concentration
>0.02 mg/mL
technique(s)
inhibition assay: suitable
solubility
water: soluble
NCBI accession no.
UniProt accession no.
application(s)
life science and biopharma
shipped in
dry ice
storage temp.
−70°C
Gene Information
human ... PRMT5(10419)
General description
Research area: Cell signaling. Protein arginine methyltransferase 5 (PRMT5) and WD repeat-containing protein (WDR77) or methylosome protein- 50 (MEP-50) are part of the methylosome. PRMT5 is a type II PRMT enzyme. The gene encoding it is localized to human chromosome 14q11.2.Complex of human PRMT5 (GenBank Accession No. NM_006109), amino acid 2-end, with N-terminal FLAG®-tag, MW=73 kDa, and human MEP50 (GenBank Accession No. NM_024102), amino acid 2-end, with N-terminal His tag, MW=37.5 kDa, expressed in FreeStyle 293-F cells.
Application
Recombinant PRMT5/MEP50 has been used in the detection of arginine methylation in in vitro methyltransferase assay.
Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.
Biochem/physiol Actions
Methylosome protein 50 (MEP50) binds to the oncogenic protein arginine methyltransferase 5 (PRMT5) and forms a complex called methylosome. This complex is involved in mono- and symmetric dimethylation of arginine, which is necessary for various biological processes. MEP50 acts as a coactivator for androgen receptor (AR) and estrogen receptor (ER). PRMT5 also methylates histones and other proteins involved in genome organization, transcription, stem cells, primordial germ cells, differentiation, the cell cycle, and spliceosome assembly. The two proteins have been associated with cancer tumorigenesis and are marked as potential oncogenes.A boost in MEP50 levels is observed in several human cancers such asastrocytoma, ovarian cancer, lung cancer, glioblastoma, breast cancer,testicular tumor, and prostate cancer.
Unit Definition
One unit is defined as the amount of enzyme required to methylate 1 pmol of substrate/min at 37°C.
Physical form
Formulated in 40 mM Tris-HCl, pH 8.0, 110 mM NaCl, 2.2 mM KCl, 3 mM DTT, 80 μg/ml FLAG® peptide, and 20% glycerol.
Preparation Note
Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles.
Legal Information
FLAG is a registered trademark of Merck KGaA, Darmstadt, Germany
FreeStyle is a trademark of Invitrogen Corp.
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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PRMT5 Is Upregulated in HTLV-1-Mediated T-Cell Transformation and Selective Inhibition Alters Viral Gene Expression and Infected Cell Survival.
Panfil AR
Viruses, 8(1), pii E7-pii E7 (2015)
MTAP deletion confers enhanced dependency on the PRMT5 arginine methyltransferase in cancer cells.
Kryukov GV
Science, 351(6278), 1214-1218 (2016)
Protein arginine methyltransferase 5 is a potential oncoprotein that upregulates G1 cyclins/cyclin-dependent kinases and the phosphoinositide 3-kinase/AKT signaling cascade.
Wei TY
Cancer Science, 103(9), 1640-1650 (2012)
The PRMT5 arginine methyltransferase: many roles in development, cancer and beyond.
Stopa N
Cellular and Molecular Life Sciences, 72, 2041-2059 (2015)
Wen-Hsin Chang et al.
EMBO reports, 23(8), e54265-e54265 (2022-06-30)
The aggressive nature and poor prognosis of lung cancer led us to explore the mechanisms driving disease progression. Utilizing our invasive cell-based model, we identified methylthioadenosine phosphorylase (MTAP) and confirmed its suppressive effects on tumorigenesis and metastasis. Patients with low
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