Proteins and Enzymes

ID #1028

With all these different side chains, the "basic" and "acidic" side chains are throwing me off. How can you recognize either one?

Look for the indication of full positive or full negative charge, respectively. Basic amino acids will have a little plus sign (+) by the nitrogen at the end of the side chain -- this represents a positive charge. Acidic amino acids have a minus sign (-) indicating a negative charge.

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