In class notes for September 7, 2007

In class notes for September 7, 2007 - Introduction to...

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Introduction to Biological Sciences 110a In class notes for September 7, 2007 Announcements o No discussion session on Monday o No help session on Tuesday o No office hours Monday or Tuesday o Dr. Gatto will give Monday’s lecture Protein could be just one polypeptide chain, or several o Without small molecule it is a prosthetic group… Protein Structures o Primary (1°) Structures –Lys-Ala-His-Gly-Lys-Lys-Val-Leu-Gly-Ala Amino acid sequence in a polypeptide chain Always begin with amino acid with the charged amine group, called N- terminus The end terminal could be called residue The C-terminus is at the other end with a charged carboxylate group o Secondary (2°) Structure A regular arrangement of the main chain Stabalized by hydrogen bonds Side chains are not directly involved in making the secondary structure Some amino acids would rather be in one type than the other Structure Alpha helix o Discovered by Linus o Myoglobin chain fold is highly alpha helical
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Introduction to Biological Sciences 110a In class notes for September 7, 2007 o About 1/3 of protein structure is alpha helical o Rigid structure, cause it is rolled with hydrogen bonds
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This note was uploaded on 02/22/2009 for the course BSCI 110A taught by Professor Broadie/patton during the Fall '08 term at Vanderbilt.

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In class notes for September 7, 2007 - Introduction to...

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