One-letter code
Three-letter code
Protein chemistry
R group properties
Structure
100

N

What is Asparagine

100

Asp

Aspartate

100

This amino acid is a disruptor of alpha helices

What is proline or glycine? 

100

Amino acid that can form a covalent disulfide bond

What is cysteine? 

100

Amino acid pair that are structural isomers of each other

What are leucine and isoleucine?

200

F

What is Phenylalanine

200

Glu

Glutamate

200

Most likely residues (name 3) found deep within a protein's core

What are Leucine, Isoleucine, Valine, Methionine, Alanine, Phenylalanine?

200

Charge of arginine at pH 7 

What is positive or +1?

200

Contains an amide group

What are asparagine and glutamine

300

Q

What is Glutamine

300

Ile

Isoleucine

300

Occupies the residue directly following proline in a beta turn

What is glycine? 

300

Charge of glutamate at pH 7

What is negative or -1? 
300

Contains a sulfur atom in a thioether group

What is methionine?

400

Y

What is Tyrosine

400

Thr

Threonine

400

Known as the catalytic triad in the chymotrypsin active site

What are serine, histidine, and aspartate? 

400

Amino acid that is achiral

What is glycine? 

400

The amino acids with hydroxyl-containing R groups, named

What are Serine, Threonine, Tyrosine? 

500

W

What is Tryptophan

500

Asn

Asparagine

500

Phosphorylation on this residue (791) enables DTS conformational change in LIN-45

What is threonine?

500
A possible AA on the 37th residue of an alpha helix, given that the first residue is serine

What are threonine, cysteine, asparagine, glutamine?

500

Number of carbons, and number of nitrogens, in the arginine side chain

What are 4 carbons and 3 nitrogens?