Protein/en: Difference between revisions

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{{Short description|Biomolecule consisting of chains of amino acid residues}}

{{About|a class of molecules|protein as a nutrient|Protein (nutrient)}}

[[File:Myoglobin.png|thumb|A representation of the 3D structure of the protein [[myoglobin]] showing turquoise [[alpha helix|α-helices]]. This protein was the first to have its structure solved by [[X-ray crystallography]]. Toward the right-center among the coils, a [[prosthetic group]] called a [[heme group]] (shown in gray) with a bound oxygen molecule (red).]]