20 AMINO ACIDS

GLYCINE
GLY, G
HYDROGEN
NON-POLAR GROUP

ALANINE
ALA, A
METHYL GROUP
NON-POLAR GROUP

LEUCINE
LEU, L
ISOBUTYL GROUP
NON-POLAR GROUP

PROLINE
PRO, P
CYCLIC STRUCTURE
NON-POLAR GROUP

VALINE
VAL, V
ISOPROPYL GROUP
NON-POLAR GROUP

ISOLEUCINE
ILE, I
SEC-BUTYL GROUP
NON-POLAR GROUP

PHENYLALANINE
PHE, F
BENZYL GROUP
NON-POLAR GROUP

METHIONINE
MET, M
THIOESTER GROUP
NON-POLAR GROUP

TRYPTOPHAN
TRP, W
INDOLE GROUP
NON-POLAR GROUP

SERINE
SER, S
ALCOHOL GROUP
POLAR UNCHARGED

THREONINE
THR, T
SECONDARY ALCOHOL
POLAR UNCHARGED

ASPARAGINE
ASN, N
AMIDE GROUP
POLAR UNCHARGED

GLUTAMINE
GLN, Q
AMIDE GROUP
POLAR UNCHARGED

CYSTEINE
CYS, C
THIOL GROUP
POLAR UNCHARGED

TYROSINE
TYR,Y
PHENOLIC GROUP
POLAR UNCHARGED

LYSINE
LYS, K
ε - AMINO GROUP
BASIC GROUP

ARGININE
ARG, R
GUANIDINO GROUP
BASIC GROUP

HISTIDINE
HIS, H
IMIDAZOLE GROUP
BASIC GROUP

ASPARTIC ACID
ASP, D
ACIDIC GROUP

GLUTAMIC ACID
GLU, E
ACIDIC GROUP