| Product Name | PCBP1, 1-163aa, Human |
|---|---|
| Description | PCBP1 appears to be multifunctional. It along with PCBP-2 and hnRNPK corresponds to the major cellular poly(rC)-binding protein. It contains three K-homologous (KH) domains which may be involved in RNA binding. This protein together with PCBP-2 also functions as translational coactivators of poliovirus RNA via a sequence-specific interaction with stem-loop IV of the IRES and promotes 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. PCBP1 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. Recombinant human PCBP1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques. |
| Synonyms | Poly(rC) binding protein 1, hnRNP-E1, hnRNP-X, HNRPE1, HNRPX |
| Host | E. coli |
| Molecular Weight | 36.2 kDa (332aa) confirmed by MALDI-TOF |
| Amino Acid Sequence | MGSSHHHHHH SSGLVPRGSH MGSMDAGVTE SGLNVTLTIR LLMHGKEVGS IIGKKGESVK RIREESGARI NISEGNCPER IITLTGPTNA IFKAFAMIID KLEEDINSSM TNSTAASRPP VTLRLVVPAT QCGSLIGKGG CKIKEIREST GAQVQVAGDM LPNSTERAIT IAGVPQSVTE CVKQIC |
| Tag | His-tag |
| Reactivity | Human |
| Applications | SDS-PAGE |
| Form | Liquid, in 20mM Tris-HCl buffer (pH 8.0) containing 0.15M NaCl, 20% glycerol, 1mM DTT |
| Concentration | 0.5 mg/ml (determined by Bradford assay) |
| Purity | > 85% by SDS-PAGE |
| Storage | Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -2°C or -7°C. Avoid repeated freezing and thawing cycles. |
| References | Beausoleil S.A., et al. (2006) Nat. Biotechnol. 24:1285-1292 Yu L.-R., et al. (2007) J. Proteome Res. 6:4150-4162 |
| Background | PCBP1 appears to be multifunctional. It along with PCBP-2 and hnRNPK corresponds to the major cellular poly(rC)-binding protein. It contains three K-homologous (KH) domains which may be involved in RNA binding. This protein together with PCBP-2 also functions as translational coactivators of poliovirus RNA via a sequence-specific interaction with stem-loop IV of the IRES and promotes 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. PCBP1 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. Recombinant human PCBP1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques. |
| Supplier | ARP |
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