BCH 100 Final: Learning Objectives 4: Proteins 1 (Explained)

• School: UC Riverside
• Department: Biochemistry
• Course: BCH 100
• Professor: Stephanie Dingwall

Document Summary

Lecture 4: protein structure and function 1: terminology (explain or define; understand use of terms): primary, secondary, tertiary, quaternary structure (of a protein), supersecondary structure, fibrous vs. globular proteins. The sequence of a chain of amino acids. When the sequence of amino acids interacts via hydrogen bonds. The hydrogen bonding occurs between the nh3 and coo of the protein backbone. 2 main types are alpha helices and beta pleated sheets. The 3-d arrangement of all atoms in a single polypeptide chain. A protein consisting of multiple amino acid chains. Hydrogen bonding of backbone groups and/or polar side chains. A (cid:272)o(cid:373)(cid:271)i(cid:374)atio(cid:374) of -a(cid:374)d -structures that contribute to tertiary structure, : t(cid:449)o pa(cid:396)allel -sheets (cid:272)o(cid:374)(cid:374)e(cid:272)ted (cid:271)(cid:455) a(cid:374) -helix. Fibrous protein formed by a series of tight reverse turns or bends. Barrel: a repetitive structure formed when an antiparallel sheet doubles back upon itself. Greek key: (cid:272)(cid:396)eated (cid:449)he(cid:374) -sheets are extensive enough to fold back on themselves.