AA ch. 3

4. you may "N"ot guess the one letter code for this polar amino acid right away, but you can recognize the amide group of Asn
7. fittingly, the isopropyl side chain of this amino acid forms a "V" shape
8. this amino acid is positively charged under physiological conditions and corresponds to "K"night in the well-known mnemonic
9. C here: this amino acid is the polar counterpart of the sulfur-containing duo
10. polar due to its characteristic -OH group, addressed as "Ser"
11. the most redundantly coded amino acid L, with 6 different associated codons
13. one of 2 amino acids negatively charged in physiological conditions, but its one letter code also refers to the not so great grade of D
14. another polar amino acid due to its amide group, classified by the letter "Q", and the primary carrier of nitrogen in the bloodstream
15. the negatively charged amino acid, E, that also plays an important role in the umami flavor
18. the precursor to serotonin that affects sleep-wake cycles and has the code letter W
19. the non-polar one of 2 sulfur-containing amino acids, M is also encoded by the start codon

1. F, non-polar, and contains a characteristic ring that is a precursor to a closely related but polar amino acid, tyrosine
2. Ile, one of 3 amino acids in the "branched chain" group
3. the non-polar amino acid A with a side chain of only a methyl group
4. a positively charged amino acid. Bonus: you sound like a pirate when you say its 3 letter code "Arg"
5. H, the most unique positively charged amino acid due to its imidazole ring
6. the smallest amino acid, G, compared to Spongebob in class due to it's flexibility
12. stands out due to its cyclic nature/ring structure and is a "Pro" at introducing rigidity and kinks to peptides
16. Y is this polar amino acid important? its aromatic ring permits many processes
17. T, polar, and contains 2 chiral centers to go with its 2 -OH groups