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Biochemistry Commons

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Full-Text Articles in Biochemistry

Regulation Of The Reaction Between Cytochrome C And Cytochrome C Oxidase In The Mitochondria, Anders Nowell May 2022

Regulation Of The Reaction Between Cytochrome C And Cytochrome C Oxidase In The Mitochondria, Anders Nowell

Biological Sciences Undergraduate Honors Theses

Cytochrome c (Cc) is a multifunction protein that has important life and death functions in the cell. In the electron transport chain (ETC), Cc transfers electrons from cytochrome bc1 to cytochrome c oxidase (CcO), which helps build the electrochemical gradient that drives ATP synthase. The reaction of Cc with CcO is very important in ETC regulatory processes. Previous research shows phosphorylation sites in Cc that affect the binding with CcO, with measurable effects on kd, kf, and KD. These effects result in changes in mitochondrial membrane potentials, respiration, and reactive oxygen species (ROS) …


Characterization Of Fgf1/Fgf2 Heterodimer With Mutation R136e, Brett Haley May 2022

Characterization Of Fgf1/Fgf2 Heterodimer With Mutation R136e, Brett Haley

Biological Sciences Undergraduate Honors Theses

Fibroblast growth factors are a family of heparin binding proteins that are involved in a broad spectrum of physiological functions, such as angiogenesis, cell proliferation, cell differentiation, and wound healing. Fibroblast growth factor 1 (FGF-1) is a member of the FGF superfamily and can bind universally to fibroblast growth factor receptors. Fibroblast growth factor 2 (FGF-2) is similar in structure to FGF-1 but has been shown to have a potent effect on angiogenesis. A physiologically stable dimerization of these two growth factors could prove to induce desirable effects in the instance of wound healing. In this study, we have designed …


Understanding Cytochrome C Maturation In Anaerobic Archaea, Blake Wojciechowski May 2020

Understanding Cytochrome C Maturation In Anaerobic Archaea, Blake Wojciechowski

Biological Sciences Undergraduate Honors Theses

Methanoperedens nitroreducens (MPEBLZ), an archaeal methanotroph and close relative of Methanosarcina acetivorans, contain numerous cytochrome c proteins. However, difficulty in using these organisms as a model for cytochrome cresearch has created a pressure to express cytochrome c proteins in an organism that is much easier to work with. A punitive cytochrome c protein (MPEBLZ_04274) from M. nitroreducens was attempted to be cloned into a model methanogen M. acetivorans as well as Escherichia coli. Cytochrome c proteins are important for many metabolic processes within anaerobic archaea. In order for a mature cytochrome c to be formed heme must …