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Full-Text Articles in Other Biochemistry, Biophysics, and Structural Biology
Role Of The Drosophila Beaf Protein In Chromatin Domain Insulator And Promoter Function, Mukesh Maharjan
Role Of The Drosophila Beaf Protein In Chromatin Domain Insulator And Promoter Function, Mukesh Maharjan
LSU Doctoral Dissertations
Proper folding of eukaryotic genomes is required to allow correct interactions between different parts of chromosomes. Precise and timely interactions among different parts of a chromosome allow proper functioning inside a nucleus, including gene regulation, DNA replication and DNA repair. Eukaryotic regulatory elements that facilitate folding and interactions include enhancers, promoters and insulator elements. Insulator elements and their binding proteins play an important role in regulating correct chromatin structure and function. The Drosophila melanogaster special chromatin structure (scs’) is one such insulator. The Boundary Element Associated Factor (BEAF) binds to scs’. BEAF is a 32 kDa protein that has two …
The Distinctive Regulatory Mechanisms Of Bacterial Acetyl-Coa Carboxylase, Alexandra Leigh Evans
The Distinctive Regulatory Mechanisms Of Bacterial Acetyl-Coa Carboxylase, Alexandra Leigh Evans
LSU Doctoral Dissertations
Metabolic Regulation is a complex system used to control cellular metabolism in response to conditions in the cell’s environment. For most enzymes, the cell can rely upon a minimal amount of regulation; however, critical enzymes, such as acetyl-CoA carboxylase, must be regulated at multiple levels. Acetyl-CoA carboxylase catalyzes the first committed step in fatty acid synthesis. In bacteria, acetyl-CoA carboxylase forms a complex of three subunits–biotin carboxylase, biotin carboxyl carrier protein, and carboxyltransferase–which catalyze the carboxylation of acetyl-CoA to form malonyl-CoA via two half-reactions. In the first half-reaction, biotin covalently linked to biotin carboxyl carrier protein is carboxylated by biotin …