[13][14] POLB gene expression is also regulated at the post transcriptional level as the 3’UTR of the POLB mRNA has been shown to contain three stem-loop structures that influence gene expression. The DNA polymerases tested (Birkuš et al., 1998) were inhibited by the reaction product (PMEA terminated DNA chains) with similar Ki/Km ratios. Login ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. URL: https://www.sciencedirect.com/science/article/pii/B9780080552323605306, URL: https://www.sciencedirect.com/science/article/pii/S1874604719300083, URL: https://www.sciencedirect.com/science/article/pii/B9780123786302002413, URL: https://www.sciencedirect.com/science/article/pii/B0124437109001538, URL: https://www.sciencedirect.com/science/article/pii/B9780128194607000244, URL: https://www.sciencedirect.com/science/article/pii/B978012394447410046X, URL: https://www.sciencedirect.com/science/article/pii/B9780444509512500072, URL: https://www.sciencedirect.com/science/article/pii/B9780721600819500339, URL: https://www.sciencedirect.com/science/article/pii/B9780080453828006699, URL: https://www.sciencedirect.com/science/article/pii/S0076687907240030, xPharm: The Comprehensive Pharmacology Reference, Encyclopedia of Biological Chemistry (Second Edition), DNA Polymerase β Interactions With BER Proteins☆, Nadezhda S. Dyrkheeva, Olga I. Lavrik, in, Synthesis and Biological Activity of Isopolar Acyclic Nucleotide Analogs, Recent Advances in Nucleosides: Chemistry and Chemotherapy, -HPMPApp was a relatively weak inhibitor of HSV-1 DNA polymerase. Dna polymerase beta synonyms, Dna polymerase beta pronunciation, Dna polymerase beta translation, English dictionary definition of Dna polymerase beta. 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. If, however, the dRP moiety is modified, making it a poor substrate for the dRP-lyase activity of Polβ, this polymerase may still incorporate one nucleotide, but BER will then be funneled into the long-patch pathway, which uses DNA replication factors to synthesize a longer repair patch (Figure 1C). Incorporation of a single CDV into DNA by HCMV DNA polymerase does not lead to chain termination (Xiong et al., 1996). HCMV DNA polymerase also utilized a synthetic DNA primer containing a single molecule of HPMPC at the 3’-terminus, with an efficacy of incorporation, approaching 6% of that of dCTP. Although both mechanisms depend on binding the Tax protein to the transcriptional activator, CBP/p300, their effect on transcription is quite different.6, Michelle P. Roettger, ... Ming-Daw Tsai, in Comprehensive Natural Products II, 2010. DNA polymerase beta has been shown to interact with PNKP[16] and XRCC1. Genetic analysis of clinical isolates of Leishmania major from Isfahan, Iran Cells deficient in DNA polymerase beta are hypersensitive to alkylating agent-induced apoptosis and chromosomal breakage. [6], An analysis of the fidelity of DNA replication by polymerase beta in the neurons from young and very aged mice indicated that aging has no significant effect on the fidelity of DNA synthesis by polymerase beta. HPMPApp formed poly(dT)/oligo(dA(l8)-[(S)-HPMPA]2-4 structures (Kramata et al., 1996). The inhibitory potencies of diphosphates of adenine, 2,6-diaminopurine, and guanine ANPs of (S)-HPMP and the PME series, [(S)-HPMPApp, PMEDAPpp, and PMEGpp] toward cellular DNA polymerases alpha, delta, and epsilon (isolated from tumors of T cell spontaneous acute lymphoblastic leukemia in Sprague-Dawley inbred rats) (Kramata et al., 1995) were estimated by kinetic measurements on synthetic homopolymeric template primers. An N-terminal fingers domain, a central palm domain and a C-terminal thumb domain. Similar Km values for PMEApp and dATP in pol epsilon and pol epsilon* catalyzed reactions revealed that proteolysis of the enzyme probably does not affect the dNTP binding site. Failure to remove this group may initiate alternate BER pathways. DNA polymerase beta (Pol beta) is the most inaccurate of the six DNA polymerases found in mammalian cells. Repair polymerase that plays a key role in base-excision repair. 1BPX, 1BPY, 1BPZ, 1MQ2, 1MQ3, 1TV9, 1TVA, 1ZJM, 1ZJN, 1ZQA, 1ZQB, 1ZQC, 1ZQD, 1ZQE, 1ZQF, 1ZQG, 1ZQH, 1ZQI, 1ZQJ, 1ZQK, 1ZQL, 1ZQM, 1ZQN, 1ZQO, 1ZQP, 1ZQQ, 1ZQR, 1ZQS, 1ZQT, 2FMP, 2FMQ, 2FMS, 2I9G, 2ISO, 2ISP, 2P66, 2PXI, 3C2K, 3C2L, 3C2M, 3GDX, 3ISB, 3ISC, 3ISD, 3JPN, 3JPO, 3JPP, 3JPQ, 3JPR, 3JPS, 3JPT, 3LK9, 3MBY, 3OGU, 3RH4, 3RH5, 3RH6, 3RJE, 3RJF, 3RJG, 3RJH, 3RJI, 3RJJ, 3RJK, 3TFR, 3TFS, 4DO9, 4DOA, 4DOB, 4DOC, 4F5N, 4F5O, 4F5P, 4F5Q, 4F5R, 4GXI, 4GXJ, 4GXK, 4JWM, 4JWN, 4KLD, 4KLE, 4KLF, 4KLG, 4KLH, 4KLI, 4KLJ, 4KLL, 4KLM, 4KLO, 4KLQ, 4KLS, 4KLT, 4KLU, 4LVS, 4M2Y, 4M47, 4M9G, 4M9H, 4M9J, 4M9L, 4M9N, 4MF2, 4MF8, 4MFA, 4MFC, 4MFF, 4NLK, 4NLN, 4NLZ, 4NM1, 4NM2, 4NXZ, 4NY8, 4O5C, 4O5E, 4O5K, 4O9M, 4P2H, 4PGQ, 4PGX, 4PGY, 4PH5, 4PHA, 4PHD, 4PHE, 4PHP, 4PPX, 4R63, 4R64, 4R65, 4R66, 4RPX, 4RPY, 4RPZ, 4RQ0, 4RQ1, 4RQ2, 4RQ3, 4RQ4, 4RQ5, 4RQ6, 4RQ7, 4RQ8, 4RT2, 4RT3, 4TUP, 4TUQ, 4TUR, 4TUS, 4UAW, 4UAY, 4UAZ, 4UB1, 4UB2, 4UB3, 4UB4, 4UB5, 4UBB, 4UBC, 7ICE, 7ICF, 7ICG, 7ICH, 7ICI, 7ICJ, 7ICK, 7ICL, 7ICM, 7ICN, 7ICO, 7ICP, 7ICQ, 7ICR, 7ICS, 7ICT, 7ICU, 7ICV, 8ICA, 8ICB, 8ICC, 8ICE, 8ICF, 8ICG, 8ICH, 8ICI, 8ICJ, 8ICK, 8ICL, 8ICM, 8ICN, 8ICO, 8ICP, 8ICQ, 8ICR, 8ICS, 8ICT, 8ICU, 8ICV, 8ICW, 8ICX, 8ICY, 8ICZ, 9ICA, 9ICB, 9ICC, 9ICE, 9ICF, 9ICG, 9ICH, 9ICI, 9ICJ, 9ICK, 9ICL, 9ICM, 9ICN, 9ICO, 9ICP, 9ICQ, 9ICR, 9ICS, 9ICT, 9ICU, 9ICV, 9ICW, 9ICX, 9ICY, 5BOL, 5BOM, 5BPC, 5DB8, 5DBB, 5DBA, 5DB7, 5DBC, 5DB9, 5DB6, 4YMN, 4YN4, 4YMO, 4YMM, 4Z6C, 4Z6F, 4Z6D, 4Z6E, DNA polymerase beta, also known as POLB, is an enzyme present in eukaryotes. 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