Symbol	Name	Residue Composition	Monoisotopic Residue Mass	Average Residue Mass
Ala A	Alanine	C3H5NO	71.03711	71.0788
Arg R	Arginine	C6H12N40	156.10111	156.18748
Asn N	Asparagine	C4H6N202	114.04293	114.10384
Asp D	Aspaitic Acid	C4H5N03	115.02694	115.0886
Cys C	Cysteine	C3H5NOS	103.00919	103.1448
Glu E	Glutamic Acid	C5H7N03	129.04259	129.11548
Gin Q	Glutamine	C5H8N202	128.05858	128.13072
Gly G	Glycine	C2H3NO	57.02146	57.05192
Iiis H	Histidine	C6H7N30	137.05891	137.14108
He I	Isoleucine	C6H11NO	113.08406	113.15944
Leu L	Leucine	C6H11NO	113.08406	113.15944
Lys K	Lysine	C6H12N20	128.09496	128.17408
Met M	Methionine	C5H9NOS	131.04049	131.19856
Phe F	Phenylalanine	C9H9NO	147.06841	147.17656
Pro P	Proline	C5H7NO	97.05276	97.11668
Ser S	Serine	C3H5N02	87.03203	87.0782
Thr T	Threonine	C4H7N02	101.04768	101.10508
Trp W	Tryptophan	C11H10N2O	186.07931	186.2132
Tyr Y	Tyrosine	C9H9N02	163.06333	163.17596
Val V	Valine	C5H9NO	99.06841	99.13256
M=5*A+HP +1
R,     H      O      R3     H      O FU
u I I II I I II I
s A" A A A\ /K A\ A™
H+N      C      C„    N      C      C„    N C
y     ii ii *
H O       Rg     H      O      R4    H P
@ ®
©
M=4*A+HP +1
H
ii
M=3*A+HP +1
M=2*A+HP +1
M=1*A+H£) +1
N
I I R2 H
v An /C\ /OH Hi    H O
A /C? /N\ As A^ /OH H+/N      C      C„ N
H o       R,    H O
/ \ / \ / \ / H      Ca    N C.
O
, N / \ / H+N C
OH
H
O
R5
H
N      C      C„    N      C      C„ O /        II       II       II Ia H O      R2    H      O R4
\ /"\ /N\ /v\ /"\
H
O
H
R, H
H     1       I +
n A" /NX A N      C      C„ O
/ Ü
H OR;
n /cn< -A N C
M=4*A +1 (b4
M=3*A +1 lb3
M=2*A +1 lb2
M=1*A+1 b1