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Amino Acids as Protein Building Blocks

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Presentation on theme: "Amino Acids as Protein Building Blocks"— Presentation transcript:

1 Amino Acids as Protein Building Blocks

2 Proteins are naturally-occurring biopolymers comprised of amino acids.
The biological function of proteins is inherent in their three dimensional structure. All the information required for correct folding of the protein into its functional native structure is contained in the primary sequence of amino acids. The physical chemical properties of the amino acids contain the biological information required for folding and function.

3 Structure of Ubiquitin
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPD QQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG 1 76 By convention the primary sequence of amino acids is listed left to right from the amino terminus to the carboxyl terminus.

4 Fundamental Structure of Amino Acids
Amino acids are most logically grouped according to the physical properties of their side chains.

5 Aliphatic Amino Acids

6 Aromatic Amino Acids

7 Polar Amino Acids

8 Disulfide Bond Formation

9

10 Acidic Amino Acids

11 Basic Amino Acids

12

13 Representations of Protein Surfaces
D39 R72 K27 E51 D52 E24 R54 D58 E18 K63 E64 K48 K6 R42


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