Polypyrimidine Tract Binding Protein 1 (PTBP1) (N-Term) Peptide
PTBP1
Reactivity: Human
Host: Synthetic
WB
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- Target See all PTBP1 products
- PTBP1 (Polypyrimidine Tract Binding Protein 1 (PTBP1))
- Protein Region
- N-Term
- Origin
- Human
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Source
- Synthetic
- Application
- Western Blotting (WB)
- Sequence
- KFKGDSRSAG VPSRVIHIRK LPIDVTEGEV ISLGLPFGKV TNLLMLKGKN
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- Restrictions
- For Research Use only
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- Format
- Lyophilized
- Reconstitution
- Add 100 μL of sterile PBS. Final peptide concentration is 1 mg/mL in PBS.
- Storage
- -20 °C
- Storage Comment
- For longer periods of storage, store at -20°C. Avoid repeat freeze-thaw cycles.
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- Target
- PTBP1 (Polypyrimidine Tract Binding Protein 1 (PTBP1))
- Background
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This gene belongs to the subfamily of ubiquitously expressed heterogeneous nuclear ribonucleoproteins (hnRNPs). The hnRNPs are RNA-binding proteins and they complex with heterogeneous nuclear RNA (hnRNA). These proteins are associated with pre-mRNAs in the nucleus and appear to influence pre-mRNA processing and other aspects of mRNA metabolism and transport. While all of the hnRNPs are present in the nucleus, some seem to shuttle between the nucleus and the cytoplasm. The hnRNP proteins have distinct nucleic acid binding properties. The protein encoded by this gene has four repeats of quasi-RNA recognition motif (RRM) domains that bind RNAs. This protein binds to the intronic polypyrimidine tracts that requires pre-mRNA splicing and acts via the protein degradation ubiquitin-proteasome pathway. It may also promote the binding of U2 snRNP to pre-mRNAs. This protein is localized in the nucleoplasm and it is also detected in the perinucleolar structure. Alternatively spliced transcript variants encoding different isoforms have been described.
Alias Symbols: PTB, PTB2, PTB3, PTB4, pPTB, HNRPI, PTB-1, PTB-T, HNRNPI, HNRNP-I
Protein Size: 167 - Gene ID
- 5725
- NCBI Accession
- NM_002819, NP_002810
- UniProt
- P26599
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