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2 Shaker Rd Suites
B001/B101
Shirley, MA 01464
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20700 44th Avenue W
Lynnwood, WA 98036
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HNRNP-E2 / PCBP2
poly(rC) binding protein 2
HNRNP-E2 / PCBP2 appears to be multifunctional. Along with PCBP-1 and hnRNPK, it is one of the major cellular poly(rC)-binding proteins. The encoded protein contains three K-homologous (KH) domains which may be involved in RNA binding. Together with PCBP-1, this protein also functions as a translational coactivator of poliovirus RNA via a sequence-specific interaction with stem-loop IV of the IRES, promoting poliovirus RNA replication by binding to its 5'-terminal cloverleaf structure. It has also been implicated in translational control of the 15-lipoxygenase mRNA, human papillomavirus type 16 L2 mRNA, and hepatitis A virus RNA. The encoded protein is also suggested to play a part in formation of a sequence-specific alpha-globin mRNP complex which is associated with alpha-globin mRNA stability. This multiexon structural mRNA is thought to be retrotransposed to generate PCBP-1, an intronless gene with functions similar to that of PCBP2. This gene and PCBP-1 have paralogous genes (PCBP3 and PCBP4) which are thought to have arisen as a result of duplication events of entire genes. Thsi gene also has two processed pseudogenes (PCBP2P1 and PCBP2P2). Multiple transcript variants encoding different isoforms have been found for this gene.
| Gene Name: | poly(rC) binding protein 2 |
| Synonyms: | PCBP2, Alpha-CP2, HnRNP E2, HNRPE2, Poly(rC) binding protein 2, Poly(rC)-binding protein 2, HnRNP-E2 |
| Target Sequences: | NM_005016 NP_005007.2 Q15366 |
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