amino acids

hydrophobic amino acids with nonpolar R groups (9)

glycine, alanine, proline, valine, leucine, isoleucine, methionine, tryptophan, phenylalanine

polar and uncharged amino acids (6)

serine, threonin, tyrosine, asparagine, glutamine, cysteine

basic amino acids (3)

lysine, arginine, histidine

acidic amino acids (2)

aspartate, glutamate

7 amino acids with readily ionizible side chains (can donate or accept protons to facilitate reactions)

aspartic acid (4.1), glutamic acid (4.1), histidine (6.0), cysteine (8.3), tyrosine (10.0), lysine (10.4), arginine (12.5)

4 amino acids with 3 letter abr. not their first 3 letters

asparagine (asn), glutamine (gln), isoleucine (ile), tryptophan (trp)

9 amino acids with different letter than first letter

arginine (R), asparagine (N), aspartic acid (D), glutamine (Q), glutamic acid (E), lysine (K), phenylalanine (F), tryptophan (W), tyrosine (Y)

3 largest amino acids

tryptophan, tyrosine, arginine

3 smallest amino acids

glycine, alanine, serine

essential amino acids (11)

all A’s and G’s + cysteine, proline, serine, tyrosine

what amino acid is essential for babies but not adults

arginine

what is the only achiral amino acid (2 side chains the same)

glycine

3 amino acids that can be phosphorylated

serine, theronine, tyrosine