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At the top level are all alpha proteins (domains consisting of alpha helices), all beta proteins (domains consisting of beta sheets), and mixed alpha helix/beta sheet proteins. While most proteins adopt a single stable fold, a few proteins can rapidly interconvert between one or more folds. These are referred to as metamorphic proteins. [5]
Proteins were first described by the Dutch chemist Gerardus Johannes Mulder and named by the Swedish chemist Jöns Jacob Berzelius in 1838. [4] [5] [better source needed] Mulder carried out elemental analysis of common proteins and found that nearly all proteins had the same empirical formula, C 400 H 620 N 100 O 120 P 1 S 1. [6]
Protein names are generally the same as the gene names, but the protein names are not italicized, and the first letter is upper-case. E.g. the name of RNA polymerase is RpoB, and this protein is encoded by rpoB gene. [11]
Looking from the bottom up there are ~20,000 protein coding genes in the human genome, (of which it is estimated that 12,733 already have Wikipedia articles (the Gene Wiki) about them). If one were to include splice variants, some argue that there could be as many as 500,000 unique human proteins, of which only about 900 are listed here.
A protein is a complex, high molecular weight organic compound that consists of amino acids joined by peptide bonds. Organize articles about proteins according to a standard protein ontology . Contents
Function: Sucrase is a stomachs related protein that mobilizes hydrolysis to convert sucrose into glucose and fructose. Clinical Significance: Low amounts of Sucrose also known as Sucrose intolerance happens when sucrose isn't being discharged in the small digestive tract. A result of this is extra gas.
These overnight oats pack 17 grams of protein per serving thanks to Greek-style yogurt, peanut butter and soymilk. We sweeten these oats naturally with banana, and add blueberries for more fruity ...
•List of human protein-coding genes page 2 covers genes EPHA1–MTMR3 •List of human protein-coding genes page 3 covers genes MTMR4–SLC17A7 •List of human protein-coding genes page 4 covers genes SLC17A8–ZZZ3 NB: Each list page contains 5000 human protein-coding genes, sorted alphanumerically by the HGNC-approved gene symbol.