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Catabolite Activator Protein (blue) bound to a piece of DNA (red). In cell biology, catabolite activator protein (CAP), which is also known as cAMP receptor protein (CRP), is a trans-acting transcriptional activator in bacteria that effectively catalyzes the initiation of DNA transcription by interacting with RNA polymerase in a way that causes the DNA to bend.
A capping enzyme (CE) is an enzyme that catalyzes the attachment of the 5' cap to messenger RNA molecules that are in the process of being synthesized in the cell nucleus during the first stages of gene expression. The addition of the cap occurs co-transcriptionally, after the growing RNA molecule contains as little as 25 nucleotides.
Molecular & Cellular Proteomics is a monthly peer-reviewed scientific journal established in 2002 and published by the American Society for Biochemistry and Molecular Biology. [1] It covers research on structural and functional properties of proteins , especially with regard to development.
This phenomenon, the process of which is called cap formation, was discovered in 1971 on lymphocytes [1] and is a property of amoebae and all locomotory animal cells except sperm. The crosslinking is most easily achieved using a polyvalent antibody to a surface antigen on the cell.
Anatomical pathology (Commonwealth) or anatomic pathology (U.S.) is a medical specialty that is concerned with the diagnosis of disease based on the macroscopic, microscopic, biochemical, immunologic and molecular examination of organs and tissues.
CapZ is a heterodimeric molecule, made up of an α and β subunit. [2] The α and β subunits are similar in structure. Each subunit is divided into three domains and a shared C-terminal extension. [3]
In 2013, Batut et al. [13] combined CAP trapper, template switching, and 5′-phosphate-dependent exonuclease digestion in RAMPAGE to maximize promoter specificity. In 2014, Murata et al. [ 14 ] published the nAnTi-CAGE protocol, where capped 5′ ends are sequenced on the Illumina platform with no PCR amplification and no tag cleavage.
Examples of the capped octahedral molecular geometry are the heptafluoromolybdate (MoF − 7) and the heptafluorotungstate (WF − 7) ions. [3] [4] The "distorted octahedral geometry" exhibited by some AX 6 E 1 molecules such as xenon hexafluoride (XeF 6) is a variant of this geometry, with the lone pair occupying the "cap" position.