翻訳と辞書 Words near each other ・ Protepicorsia costalis ・ Protepicorsia ectoxanthia ・ Protepicorsia flavidalis ・ Protepicorsia latimarginalis ・ Protepicorsia maculifera ・ Protepicorsia magnifovealis ・ Protepicorsia pozuzoa ・ Protepicorsia quincemila ・ Protepicorsia sordida ・ Protepicorsia thyriphora ・ Protepicyon ・ Protein Source of the Future...Now! ・ Protein sparing ・ Protein Sparing Modified Fast ・ Protein splicing ・ Protein structure ・ Protein structure database ・ Protein Structure Evaluation Suite & Server ・ Protein Structure Initiative ・ Protein structure prediction ・ Protein subcellular localization prediction ・ Protein subfamily ・ Protein subunit ・ Protein superfamily ・ Protein supplement ・ Protein synthesis inhibitor ・ Protein tag ・ Protein targeting ・ Protein tertiary structure ・ Protein THEMIS Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Protein structure ： ウィキペディア英語版 Protein structure Protein structure is the three-dimensional arrangement of atoms in a protein molecule. Proteins are polymers — specifically polypeptides — formed from sequences of monomer amino acids. By convention, a chain under 40 amino acids is often identified as a peptide, rather than a protein. To be able to perform their biological function, proteins fold into one or more specific spatial conformations driven by a number of non-covalent interactions such as hydrogen bonding, ionic interactions, Van der Waals forces, and hydrophobic packing. To understand the functions of proteins at a molecular level, it is often necessary to determine their three-dimensional structure. This is the topic of the scientific field of structural biology, which employs techniques such as X-ray crystallography, NMR spectroscopy, and dual polarisation interferometry to determine the structure of proteins. Protein structures range in size from tens to several thousand amino acids. By physical size, proteins are classified as nanoparticles, between 1–100 nm. Very large aggregates can be formed from protein subunits. For example, many thousands of actin molecules assemble into a microfilament. A protein may undergo reversible structural changes in performing its biological function. The alternative structures of the same protein are referred to as different conformations, and transitions between them are called conformational changes. ==Levels of protein structure== There are four distinct levels of protein structure. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Protein structure」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.