Human POLB Recombinant Protein (RPPB2134)
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주문- SKU:
- RPPB2134
- Product type:
- Recombinant Protein
- Size:
- 20ug
- Species:
- Human
- Target:
- POLB
- Synonyms:
- DNA polymerase beta
- Synonyms:
- POLB
- Source:
- Escherichia Coli
- Uniprot:
- P06746
Description
| Product Name: | Human POLB Recombinant Protein |
| Product Code: | RPPB2134 |
| Size: | 20µg |
| Species: | Human |
| Target: | POLB |
| Synonyms: | DNA polymerase beta, POLB. |
| Source: | Escherichia Coli |
| Physical Appearance: | Sterile filtered colorless solution. |
| Formulation: | POLB protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 1mM DTT, 30% glycerol and 0.1M NaCl. |
| Stability: | Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles. |
| Purity: | Greater than 90.0% as determined by SDS-PAGE. |
| Amino Acid Sequence: | MGSSHHHHHH SSGLVPRGSH MSKRKAPQET LNGGITDMLT ELANFEKNVS QAIHKYNAYR KAASVIAKYP HKIKSGAEAK KLPGVGTKIA EKIDEFLATG KLRKLEKIRQ DDTSSSINFL TRVSGIGPSA ARKFVDEGIK TLEDLRKNED KLNHHQRIGL KYFGDFEKRI PREEMLQMQD IVLNEVKKVD SEYIATVCGS FRRGAESSGD MDVLLTHPSF TSESTKQPKL LHQVVEQLQK VHFITDTLSK GETKFMGVCQ LPSKNDEKEY PHRRIDIRLI PKDQYYCGVL YFTGSDIFNK NMRAHALEKG FTINEYTIRP LGVTGVAGEP LPVDSEKDIF DYIQWKYREP KDRSE |
DNA polymerase beta (POLB) is a member of the DNA polymerase type-X family. In eukaryotic cells, POLB performs base excision repair necessary for DNA maintenance, replication, recombination, and drug resistance. POLB has 2 separate domains; the larger is the polymerase domain itself, whereas a small basic N-terminal domain contains an AP lyase activity which excises the abasic sugar-phosphate residue at the strand break. POLB fills single nucleotide gaps in DNA produced by the base excision repair pathway of mammalian cells. POLB overexpression, as seen in some human tumors, could convene an increase in spontaneous mutagenesis.
POLB Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 355 amino acids (1-335 a.a) and having a molecular mass of 40.3kDa.POLB is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
| UniProt Protein Function: | POLB: Repair polymerase that plays a key role in base-excision repair. Has 5'-deoxyribose-5-phosphate lyase (dRP lyase) activity that removes the 5' sugar phosphate and also acts as a DNA polymerase that adds one nucleotide to the 3' end of the arising single-nucleotide gap. Conducts 'gap-filling' DNA synthesis in a stepwise distributive fashion rather than in a processive fashion as for other DNA polymerases. Monomer. Interacts with APEX1, HUWE1/ARF-BP1, STUB1/CHIP and USP47. Belongs to the DNA polymerase type-X family. |
| UniProt Protein Details: | Protein type:EC 2.7.7.7; Transferase; Lyase; DNA replication; DNA repair, damage Chromosomal Location of Human Ortholog: 8p11.2 Cellular Component: nucleoplasm; microtubule; spindle microtubule; cytoplasm; nucleus Molecular Function:protein binding; enzyme binding; metal ion binding; microtubule binding; damaged DNA binding; DNA-directed DNA polymerase activity; lyase activity Biological Process: base-excision repair, gap-filling; neuron apoptosis; response to ethanol; DNA damage response, signal transduction resulting in induction of apoptosis; base-excision repair; pyrimidine dimer repair; nucleotide-excision repair, DNA gap filling; DNA repair; DNA-dependent DNA replication; response to DNA damage stimulus |
| NCBI Summary: | The protein encoded by this gene is a DNA polymerase involved in base excision and repair, also called gap-filling DNA synthesis. The encoded protein, acting as a monomer, is normally found in the cytoplasm, but it translocates to the nucleus upon DNA damage. Several transcript variants of this gene exist, but the full-length nature of only one has been described to date. [provided by RefSeq, Sep 2011] |
| UniProt Code: | P06746 |
| NCBI GenInfo Identifier: | 4505931 |
| NCBI Gene ID: | 5423 |
| NCBI Accession: | NP_002681.1 |
| UniProt Related Accession: | P06746 |
| Molecular Weight: | ~ 38kDa |
| NCBI Full Name: | DNA polymerase beta |
| NCBI Synonym Full Names: | DNA polymerase beta |
| NCBI Official Symbol: | POLB |
| NCBI Protein Information: | DNA polymerase beta |
| UniProt Protein Name: | DNA polymerase beta |
| UniProt Gene Name: | POLB |
| UniProt Entry Name: | DPOLB_HUMAN |
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