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See all on WikipediaProtein - Wikipedia
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 … See more
Discovery and early studies
Proteins have been studied and recognized since the 1700s by Antoine Fourcroy and … See more
Most proteins consist of linear polymers built from series of up to 20 L-α-amino acids. All proteinogenic amino acids have a common structure … See more
Most proteins fold into unique 3D structures. The shape into which a protein naturally folds is known as its native conformation. … See more
Methods commonly used to study protein structure and function include immunohistochemistry, site-directed mutagenesis, X-ray crystallography, nuclear magnetic … See more
Proteins are primarily classified by sequence and structure, although other classifications are commonly used. Especially for enzymes the EC number system provides a functional classification scheme. Similarly, gene ontology classifies both genes … See more
Biosynthesis
Proteins are assembled from amino acids using information encoded in genes. Each protein has its own … See moreProteins are the chief actors within the cell, said to be carrying out the duties specified by the information encoded in genes. With the exception of … See more
Wikipedia text under CC-BY-SA license Protein (nutrient) - Wikipedia
Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue and can also serve as a fuel source. As a fuel, proteins provide as much energy density as carbohydrates: 17 kJ (4 kcal) per gram; in contrast, lipids provide 37 kJ (9 kcal) per gram. The most important aspect and defining characteristic of protein from a nutritional standpoint is its amino acid c…
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 5 mins
Protein structure - Wikipedia
There are four distinct levels of protein structure. The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the …
Protein - Simple English Wikipedia, the free encyclopedia
Learn about proteins, long-chain molecules made of amino acids that are essential to all cells. Find out how proteins are formed, function, and are affected by mutations and diet.
- Estimated Reading Time: 5 mins
Protein supplement - Wikipedia
Various different protein supplements. A protein supplement is a dietary supplement or a bodybuilding supplement, and usually comes in the form of a protein bar, protein powder, and …
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Protein | Definition, Structure,
Feb 14, 2025 · A protein is a naturally occurring, extremely complex substance that consists of residues joined by peptide bonds. Proteins are present in all living organisms and include …
Protein structure - Simple English Wikipedia, the free …
Learn how protein molecules are organised into four levels: primary, secondary, tertiary and quaternary. Find out how proteins fold, switch conformations and interact with other molecules.
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Protein: What It Is, Types, Uses, Needs, Deficiency
Dec 27, 2024 · A protein is a large, complex molecule that is a key building block of life. We all know that it is an important part of our diets, but how many of us know how protein actually works in our bodies, and why we need it?
Maltose-binding protein - Wikipedia
Maltose-binding protein (MBP) is a part of the maltose/maltodextrin system of Escherichia coli, which is responsible for the uptake and efficient catabolism of maltodextrins. It is a complex …
Forkhead box protein O1 - Wikipedia
Forkhead box protein O1 (FOXO1), also known as forkhead in rhabdomyosarcoma (FKHR), is a protein that in humans is encoded by the FOXO1 gene. [5] FOXO1 is a transcription factor that …
Heat shock factor protein 1 - Wikipedia
Heat shock factor protein 1 (HSF 1) is a protein that in humans is encoded by the HSF1 gene. [4] HSF1 is highly conserved in eukaryotes and is the primary mediator of transcriptional …
Protein - Amino Acids, Structure, Function | Britannica
Feb 14, 2025 · Proteins are macromolecular polypeptides —i.e., very large molecules (macromolecules) composed of many peptide-bonded amino acids. Most of the common ones …
Sterol regulatory element-binding protein - Wikipedia
SREB proteins are indirectly required for cholesterol biosynthesis and for uptake and fatty acid biosynthesis. These proteins work with asymmetric sterol regulatory element (StRE). SREBPs …
Proteine - Wikipedia
In chimica, le proteine (o protidi) sono macromolecole biologiche costituite da catene di amminoacidi legati uno all'altro da un legame peptidico (ovvero un legame tra il gruppo …
Sterol regulatory element-binding protein 1 - Wikipedia
Sterol regulatory element-binding transcription factor 1 (SREBF1) also known as sterol regulatory element-binding protein 1 (SREBP-1) is a protein that in humans is encoded by the SREBF1 …
Protein – Wikipedija/Википедија
Protein je reč koja potiče iz grčkog jezika u kome ima značenje prvi, zauzimam prvo mesto. U prirodnim naukama označava najširu klasu bioloških makromolekula koji su uključeni u …
Протеин — Википедија
Протеини или беланчевине су природни полипептиди који су изграђени од великог броја аминокиселинских остатака, који су поређани у линеарне ланце и спојени међусобно …
Protein - Vikipedi
Protein, insanların beslenmesinde önemli bir parçadır. Hayvanlar her amino asiti sentezleyemediklerinden, temel (esansiyel) aminoasitleri gıda yoluyla almak zorundadırlar. …
Protein – Wikipedia
Ein Protein, umgangssprachlich Eiweiß (veraltet Eiweißstoff) genannt, ist ein biologisches Makromolekül, das aus Aminosäuren aufgebaut wird, die durch Peptidbindungen verknüpft …
Protein — Википедија - sr.wikipedia.org
Proteini su linearni polimeri izgrađeni od nekih od 20 različitih L-α amino kiselina. Sve amino kiseline dele zajedničke strukturne karakteristike uključujući α-ugljenik za koji su amino grupa, …
Bjelančevine – Wikipedija
Bjelančevine ili proteini su, uz vodu, najvažnije tvari u tijelu. Najvažniji su čimbenik u rastu i razvoju svih tjelesnih tkiva. Glavni su izvor tvari za izgradnju mišića, krvi, kože, kose, noktiju i …
Fehérje – Wikipédia
Habár már Jöns Jakob Berzelius 1838-ban a fehérjéknek a görög eredetű protein nevet adta (πρωτεῖος = „elsődleges fontosságú”), valódi szerepük felfedezéséig 1926-ig várni kellett, …
蛋白质 - 维基百科，自由的百科全书
蛋白质 （英語： protein）旧称“ 朊 ” [1][2]，常简称“蛋白”，是大型 生物分子，或 高分子，它由一个或多个由α- 氨基酸 残基 组成的长链条组成。 α- 氨基酸 分子呈线性排列，相邻α-氨基酸 残 …
단백질 - 위키백과, 우리 모두의 백과사전
G-Protein의 구조. 단백질(蛋白質)은 생화학에서 생물의 몸을 구성하는 고분자 유기 물질이다. 흰자질이라고도 한다.. 단백질 영어명 프로틴(protein)은 그리스어의 proteios(중요한 것)에서 …
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