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  2. Proteome - Wikipedia

    en.wikipedia.org/wiki/Proteome

    This is very roughly the protein equivalent of the genome. The term proteome has also been used to refer to the collection of proteins in certain sub-cellular systems, such as organelles. For instance, the mitochondrial proteome may consist of more than 3000 distinct proteins. [1] [2] [3] The proteins in a virus can be called a viral proteome.

  3. Protein - Wikipedia

    en.wikipedia.org/wiki/Protein

    Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, providing structure to cells and organisms, and transporting molecules from one location ...

  4. Protein (nutrient) - Wikipedia

    en.wikipedia.org/wiki/Protein_(nutrient)

    [11] [12] On a worldwide basis, plant protein foods contribute over 60% of the per capita supply of protein. [9] In North America, animal-derived foods contribute about 70% of protein sources. [12] Insects are a source of protein in many parts of the world. [13] In parts of Africa, up to 50% of dietary protein derives from insects. [13]

  5. Biomolecule - Wikipedia

    en.wikipedia.org/wiki/Biomolecule

    This protein was the first to have its structure solved by X-ray crystallography by Max Perutz and Sir John Cowdery Kendrew in 1958, for which they received a Nobel Prize in Chemistry. A biomolecule or biological molecule is loosely defined as a molecule produced by a living organism and essential to one or more typically biological processes. [1]

  6. Biological roles of the elements - Wikipedia

    en.wikipedia.org/wiki/Biological_roles_of_the...

    Chlorine, potassium, magnesium, calcium and phosphorus have important roles due to their ready ionization and utility in regulating membrane activity and osmotic potential. [2] The remaining elements found in living things are primarily metals that play a role in determining protein structure.

  7. Protein metabolism - Wikipedia

    en.wikipedia.org/wiki/Protein_metabolism

    Protein anabolism is the process by which proteins are formed from amino acids. It relies on five processes: amino acid synthesis, transcription , translation , post translational modifications , and protein folding .

  8. Membrane protein - Wikipedia

    en.wikipedia.org/wiki/Membrane_protein

    Although membrane proteins play an important role in all organisms, their purification has historically, and continues to be, a huge challenge for protein scientists. In 2008, 150 unique structures of membrane proteins were available, [ 14 ] and by 2019 only 50 human membrane proteins had had their structures elucidated. [ 13 ]

  9. Electron transport chain - Wikipedia

    en.wikipedia.org/wiki/Electron_transport_chain

    Organisms that use organic molecules as an electron source are called organotrophs. Chemoorganotrophs (animals, fungi, protists) and photolithotrophs (plants and algae) constitute the vast majority of all familiar life forms. Some prokaryotes can use inorganic matter as an electron source. Such an organism is called a (chemo)lithotroph ("rock ...