In molecular biology, RNA polymerase (abbreviated RNAP or RNApol), or more specifically DNA-directed/dependent RNA polymerase (DdRP), is an enzyme that...
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RNA-dependent RNA polymerase (RdRp) or RNA replicase is an enzyme that catalyzes the replication of RNA from an RNA template. Specifically, it catalyzes...
27 KB (3,099 words) - 15:01, 25 June 2024
RNA polymerase II (RNAP II and Pol II) is a multiprotein complex that transcribes DNA into precursors of messenger RNA (mRNA) and most small nuclear RNA...
27 KB (3,100 words) - 17:09, 21 April 2024
T7 RNA Polymerase is an RNA polymerase from the T7 bacteriophage that catalyzes the formation of RNA from DNA in the 5'→ 3' direction. T7 polymerase is...
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RNA polymerase 1 (also known as Pol I) is, in higher eukaryotes, the polymerase that only transcribes ribosomal RNA (but not 5S rRNA, which is synthesized...
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Transcription (biology) (redirect from RNA transcription)
transcription, a DNA sequence is read by an RNA polymerase, which produces a complementary, antiparallel RNA strand called a primary transcript. In virology...
58 KB (6,787 words) - 11:35, 21 June 2024
biochemistry, a polymerase is an enzyme (EC 2.7.7.6/7/19/48/49) that synthesizes long chains of polymers or nucleic acids. DNA polymerase and RNA polymerase are used...
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cells, RNA polymerase III (also called Pol III) is a protein that transcribes DNA to synthesize 5S ribosomal RNA, tRNA, and other small RNAs. The genes...
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contrast, RNA polymerases synthesize RNA from ribonucleotides from either RNA or DNA.[citation needed] When synthesizing new DNA, DNA polymerase can add...
59 KB (7,090 words) - 06:49, 30 June 2024
Eukaryotic transcription (section RNA polymerase)
transportable complementary RNA replica. Gene transcription occurs in both eukaryotic and prokaryotic cells. Unlike prokaryotic RNA polymerase that initiates the...
49 KB (5,861 words) - 08:35, 6 December 2023
class of RNA polymerase recruited to the site, and species of organism. Promoters control gene expression in bacteria and eukaryotes. RNA polymerase must...
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RNA viruses encoding an RNA-directed RNA polymerase are believed to form a monophyletic group, known as the realm Riboviria. The majority of such RNA...
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RNA polymerase II holoenzyme is a form of eukaryotic RNA polymerase II that is recruited to the promoters of protein-coding genes in living cells. It...
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transcription by triggering RNA polymerase to release from the promoter and proceed along the DNA. At times, RNA polymerase can pause shortly after leaving...
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Reverse transcriptase (redirect from RNA-directed DNA polymerase)
information from RNA to DNA are explicitly held possible. Retroviral RT has three sequential biochemical activities: RNA-dependent DNA polymerase activity, ribonuclease...
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RNA polymerase IV (RNAP IV) is an enzyme that synthesizes small interfering RNA (siRNA) in plants, which silence gene expression. RNAP IV belongs to a...
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protein. mRNA is created during the process of transcription, where an enzyme (RNA polymerase) converts the gene into primary transcript mRNA (also known...
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synthesis of pre-RNA. This requires the presence of all three RNA polymerases. In fact, the transcription of pre-RNA by RNA polymerase I accounts for about...
60 KB (7,195 words) - 11:54, 17 May 2024
together forms viral RNA dependent RNA polymerase; where catalytic functions for RNA polymerization, capping and poly-A polymerase resides within the L...
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Terminator (genetics) (section Non-mRNAs)
large protein called a Rho factor which exhibits RNA helicase activity to disrupt the mRNA-DNA-RNA polymerase transcriptional complex. Rho-dependent terminators...
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Transcription bubble (section RNA polymerase)
from 12 to 14 base pairs. A transcription bubble is formed when the RNA polymerase enzyme binds to a promoter and causes two DNA strands to detach. It...
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that use a homologous RNA-dependent polymerase for replication. It includes RNA viruses that encode an RNA-dependent RNA polymerase, as well as reverse-transcribing...
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plastid-encoded polymerase (PEP). The sigma factor, together with RNA polymerase, is known as the RNA polymerase holoenzyme. Every molecule of RNA polymerase holoenzyme...
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Bacterial transcription (section RNA polymerase)
copied into a newly synthesized strand of messenger RNA (mRNA) with use of the enzyme RNA polymerase. The process occurs in three main steps: initiation...
21 KB (2,370 words) - 11:41, 10 December 2023
general transcription factor that is involved in the formation of the RNA polymerase II preinitiation complex (PIC) and aids in stimulating transcription...
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complex positions RNA polymerase II (Pol II) at gene transcription start sites, denatures the DNA, and positions the DNA in the RNA polymerase II active site...
11 KB (1,210 words) - 12:30, 16 November 2023
Reverse transcription polymerase chain reaction (RT-PCR) is a laboratory technique combining reverse transcription of RNA into DNA (in this context called...
43 KB (5,536 words) - 07:35, 12 July 2024
phosphoprotein (P), matrix protein (M), glycoprotein (G) and the viral RNA polymerase (L). The complete genome sequences range from 11,615 to 11,966 nt in...
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composed of the genomic RNA, nucleocapsid proteins, phosphoproteins and polymerase proteins. The genome is nonsegmented, negative-sense RNA, 15–19 kilobases...
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DNA (section Polymerases)
messenger RNA by RNA polymerase. This RNA copy is then decoded by a ribosome that reads the RNA sequence by base-pairing the messenger RNA to transfer RNA, which...
166 KB (17,856 words) - 06:01, 11 July 2024