MBB 222 Lecture Notes - Lecture 8: Endoplasmic Reticulum, Venn Diagram, Cysteine
20 Dec 2018
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Lecture 8 part 3: proteins - amino acids. Disulfide bonds form after the protein has reached its folded form they stabilize the folded form. Amino acids have overlapping properties that cover a spectrum of small to large, charged to uncharged etc. , allowing many different, subtle interactions to occur. (note, this is a venn diagram, not a cartoon of a protein. ) Tryptophan and tyrosine (and to a lesser extent phenylalanine) show maximal absorbance at. This feature can be used to determine protein concentration using beer"s law. (nucleic acids absorb much more strongly than aromatic side chains, at abase260) Know the structure and functional groups on the backbone of every amino acid. Understand the difference between d and l amino acids (but not necessarily recognize them) Be able to understand and apply the definitions from the beginning of the lecture. Know its name, 3-letter code and 1 letter code. Know the name of the functional group on the side chain.
