amino acids

aspartic acid

asp D negative

Glutamic acid

glu E negative

arginine

arg R positive

lysine

lys K positive

histidine

his H positive

asparagine

asn N uncharged polar

glutamine

gln Q uncharged polar

serine

ser S uncharged polar

threonine

thr T uncharged polar

tyrosine

tyr Y uncharged polar

negative side chain

aspartic acid glutamic acid

positive side chain

arginine lysine histidine

uncharged polar side chain

asparagine glutamine serine threonine tyrosine

alanine

ala A nonpolar

glycine

gly G nonpolar

valine

val V nonpolar

leucine

leu L nonpolar

isoleucine

ile I nonpolar

proline

pro P nonpolar

phenylalanine

phe F nonpolar

methionine

met M nonpolar

tryptophan

trp W nonpolar

cysteine

cys C nonpolar

nonpolar amino acids

alanine glycine valine leucine isoleucine proline phenylalanine methionine tryptophan cysteine

start codon

AUG met

stop codon

UAA UAG UGA