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OriGene
Proteins that directly bind to nascent RNA polymerase II transcripts, the heterogenous nuclear ribonucleoproteins (hnRNPs), play an important role in both transcript-specific packaging and alternative splicing of pre-mRNAs. A group of abundant hnRNPs, the M1-M4 proteins, appear as a cluster of four proteins. The M proteins are pre-mRNA binding proteins in vivo, and they bind avidly to poly (G) and poly (U) RNA homopolymers in vitro. M proteins are members of the ribonucleoprotein consensus sequence family of RNA-binding proteins with greatest similarity to a hypothetical RNA-binding protein from Saccharomyces cerevisiae. The M proteins also possess an unusual hexapeptide-repeat region rich in methionine and arginine residues (MR repeat motif) that resembles a repeat in the 64kDa subunit of cleavage stimulation factor, which is involved in 3'-end maturation of pre-mRNAs. Proteins immunologically related to M exist in divergent eukaryotes ranging from human to yeast.
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Protein Aliases: CEA receptor; Heterogeneous nuclear ribonucleoprotein M; heterogenous nuclear ribonucleoprotein M4; hnRNA-binding protein M4; hnRNP M; HNRNP3; HNRNPM3; N-acetylglucosamine receptor 1
Gene Aliases: CEAR; hnRNP M; HNRNPM; HNRNPM4; HNRPM; HNRPM4; HTGR1; NAGR1
UniProt ID: (Human) P52272
Entrez Gene ID: (Human) 4670
Molecular Function:
RNA metabolism protein
RNA processing factor
RNA splicing factor
nucleic acid metabolism protein
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