Protein structure
protein structure definition
The three-dimensional structure of a protein that is often key to its enzyme function. The structure of a protein is characterized in four ways: The primary structure is the order of the different amino acids in a protein chain, whereas the secondary structure consists of the geometry of chain segments in forms such as helices or sheets. The tertiary structure describes how a protein folds in on itself; the quaternary structure of a protein describes how different protein chains hook up with each other.
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noun, Biochemistry. 1. the process by which amino acids are linearly arranged into proteins through the involvement of ribosomal RNA, transfer RNA, messenger RNA, and various enzymes. noun the process by which individual amino acids are connected to each other in a specific order dictated by the nucleotide sequence in DNA, which also involves the […]
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noun, Pathology. 1. the presence of abnormally large amounts of protein in the urine, usually resulting from kidney disease but sometimes from fever, excessive exercise, or other abnormal condition. noun 1. (med) another name for albuminuria proteinuria pro·tein·u·ri·a (prōt’n-ur’ē-ə, -yur’-, prō’tē-nur’-, -nyur’-) n. Excessive amounts of protein in the urine. See albuminuria.
- Pro-tem
adverb 1. pro tempore (def 1). noun 2. temporary (def 2). pro tem Latin pro tempore (for the time being)
- Pro-tempore
adverb, Latin. 1. temporarily; for the time being. noun 2. temporary (def 2). adverb, adjective 1. for the time being Often shortened to pro tem (ˈprəʊ ˈtɛm) pro tempore (pro tem) [(proh tem-puh-ree)] Temporarily: “While the president of the company is ill, the vice president will act as the leader pro tem.” From Latin, meaning […]
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verb (used with object) 1. to stretch forth. 2. to extend in duration. verb (used without object) 3. to stretch forward.