A01
GPI-anchor amidated alanine
53.026550
A02
N,N-dimethylalanine
99.068415
A03
N,N,N-trimethylalanine
113.084065
A04
Alanine amide
70.053099
A05
Pentaglycyl murein peptidoglycan amidated alanine
51.010900
A06
N-acetylalanine
113.047680
A07
N-methylalanine
85.052765
C01
Cysteine persulfide
134.981257
C02
3-oxoalanine (Cys)
85.016380
C03
S-nitrosocysteine
131.999350
C04
Cysteine sulfenic acid (-SOH)
119.004101
C05
N-pyruvate 2-iminyl-cysteine
173.014665
C06
N-palmitoyl cysteine
341.238852
C07
S-methylcysteine
117.024836
C08
S-geranylgeranyl cysteine
375.259587
C09
S-palmitoyl cysteine
341.238852
C10
S-farnesyl cysteine
307.196987
C11
Cysteine sulfinic acid (-SO2H)
134.999015
C12
S-diacylglycerol cysteine
679.520947
C13
S-selanylcysteine
182.925708
C14
S-archaeol cysteine
737.671968
C15
S-8alpha-FAD cysteine
886.150670
C16
Pyruvic acid (Cys)
70.005481
C17
Cysteine amide
102.025170
C18
Cysteine methyl disulfide
148.996907
C19
Cysteine methyl ester
117.024836
C20
N-acetylcysteine
145.019751
C21
S-stearoyl cysteine
369.270152
C22
S-12-hydroxyfarnesyl cysteine
323.191901
C23
S-4a-FMN cysteine
559.113801
C24
ADP-ribosylcysteine
644.070295
C25
Phosphocysteine
182.975516
C26
S-6-FMN cysteine
559.113801
C27
Farmesylation
307.196986
C28
Glutathionylation
408.07727
C29
S-Nitrosylation
131.999356
C30
Hex-Glycosylation
265.062015
C31
Carboxymethylation
161.0146499
C32
Carbamidomethylation
160.0306469
C33
Cysteine N-terminal Carbamidomethylation
143.0040979
C34
Pyridylethylation
208.066421
D01
Cis-14-hydroxy-10,13-dioxo-7-heptadecenoic acid aspartate ester
409.210054
D02
Aspartic acid 1-amide
114.042929
D03
Aspartyl aldehyde
99.032030
D04
N-acetylaspartate
157.037510
D05
4-aspartylphosphate
194.993275
D06
3-hydroxyaspartate
131.021860
D07
3-methylthioaspartic acid
161.014666
E01
Glutamic acid 1-amide
128.058579
E02
Glutamate methyl ester (Glu)
143.058245
E03
Pyrrolidone carboxylic acid (Glu)
111.032030
E04
4-carboxyglutamate
173.032424
E05
N-acetylglutamate
171.053160
F01
Phenylalanine amide
146.084401
F02
3-phenyllactic acid
148.052433
F03
N-methylphenylalanine
161.084067
G01
Cholesterol glycine ester
425.365766
G02
N-formylglycine
85.016380
G03
1-thioglycine
72.998621
G04
Phosphatidylethanolamine amidated glycine
756.541755
G05
N-acetylglycine
99.032030
G06
Glycine amide
56.037449
G07
N-palmitoyl glycine
295.251131
G08
N-myristoyl glycine
267.219830
H01
Pros-8alpha-FAD histidine
920.200398
H02
Tele-methylhistidine
151.074564
H04
Pros-phosphohistidine
217.025244
H05
Histidine amide
136.074898
H06
Pros-methylhistidine
151.074564
H07
Phosphohistidine
217.025244
H08
Tele-8alpha-FMN histidine
591.147879
H09
Methylhistidine
151.074564
H10
Tele-8alpha-FAD histidine
920.200398
H11
Bromohistidine
214.969427
H13
ADP-Ribosylation
678.119914
I01
N-methylisoleucine
127.099717
I02
Isoleucine amide
112.100051
I03
N-acetylisoleucine
155.094632
K03
Lysine amide
127.110951
K04
Lysine methyl ester
142.110617
K05
5-hydroxylysine
144.089882
K06
N6,N6,N6-trimethyl-5-hydroxylysine
186.136832
K07
N6,N6,N6-trimethyllysine
170.141917
K08
N6,N6-dimethyllysine
156.126267
K09
4,5-dihydroxylysine
160.084796
K10
N6-1-carboxyethyl lysine
200.116096
K11
N6-acetyllysine
170.105532
K12
N6-carboxylysine
172.084796
K13
N6-formyllysine
156.089882
K15
N6-palmitoyl lysine
366.324633
K16
N6-myristoyl lysine
338.293332
K17
N6-methylated lysine
170.141917
K18
N6-methyllysine
142.110617
L01
N-methylleucine
127.099717
L02
Leucine methyl ester
127.099717
L03
Leucine amide
112.100051
M01
N-acetylmethionine
173.051052
M02
N-methylmethionine
145.056137
M03
Methionine sulfone
163.030316
M04
Methionine amide
130.056471
M05
N-formylmethionine
159.035402
M06
Methionine Hydroxylated
147.035402
N01
3-hydroxyasparagine
130.037844
N02
Deamidated asparagine
115.026945
N03
N4-methylasparagine
128.058579
N04
N4,N4-dimethylasparagine
142.074229
N05
Asparagine amide
113.058913
N06
Aspartyl isopeptide (Asn)
115.026945
N07
ADP-ribosylasparagine
655.104038
N08
N-Acetylglucosamine
317.12231
N09
GlcNAc-GlcNAc
502.19112
N10
GlcNAc-GlcNAc-Man
664.24395
N11
GlcNAc-GlcNAc-Man-Man
826.29678
N12
GlcNAc-GlcNAc-Man-Man-Man
988.34961
N14
Hex-Glycosylation
276.09576
P01
Proline amide
96.068750
P02
Hydroxyproline
113.047681
P03
4-hydroxyproline
113.047681
P04
N,N-dimethylproline
125.084066
P05
3-hydroxyproline
113.047681
P06
3,4-dihydroxyproline
129.042595
P07
N-methylproline
111.068416
P08
N-acetylproline
139.063331
Q01
Glutamine amide
127.074564
Q02
Omega-hydroxyceramide glutamate ester
888.789442
Q03
Glutamate methyl ester (Gln)
143.058246
Q04
2-methylglutamine
142.074230
Q05
N5-methylglutamine
142.074230
Q06
Pyrrolidone carboxylic acid
111.032031
Q07
Deamidated glutamine
129.042596
R01
ADP-ribosylarginine
697.162224
R02
5-methylarginine
170.116765
R03
4-hydroxyarginine
172.096030
R04
Symmetric dimethylarginine
184.132415
R05
3,4-dihydroxyarginine
188.090944
R06
Arginine amide
155.117099
R07
Asymmetric dimethylarginine
184.132415
R09
Phosphoarginine
236.067445
R10
N2-acetylarginine
198.111680
R11
Omega-N-methylated arginine
184.132415
R12
Omega-N-methylarginine
170.116765
R13
N5-methylarginine
170.116765
S01
O-palmitoyl serine
325.261696
S03
Serine microcin E492 siderophore ester
918.229071
S05
ADP-ribosylserine
628.093139
S06
Phosphoserine
166.998360
S07
O-octanoyl serine
213.136495
S08
3-oxoalanine (Ser)
85.016380
S09
O-decanoyl serine
241.167795
S10
O-acetylserine
129.042595
S11
O-(sn-1-glycerophosphoryl)serine
241.035140
S12
FMN phosphoryl serine
525.126080
S13
D-alanine (Ser)
71.037115
S15
Pyruvic acid (Ser)
70.005481
S16
N-acetylserine
129.042595
S17
2,3-didehydroalanine (Ser)
69.021465
S18
N-Acetylgalactosamine
274.11649
S19
Beta-D-Gal(1:3)Beta-D-GalNAc
452.164243
S20
Alpha-0-SilicAcid(2:3)Beta-D-Gal(1:3) Beta-D-GalNAc
743.259653
S21
Alpha-0-SilicAcid(2:3)Beta-D-Gal(1:3) Beta-D-GalNAc<-Alpha-0-SilicAcid(2:6)
1050.349986
S25
Hex-Glycosylation
249.084859
T01
Threonine amide
100.063665
T02
N-acetylthreonine
143.058246
T03
2,3-didehydrobutyrine
83.037116
T04
Sulfothreonine
181.004496
T05
2-oxobutanoic acid
84.021132
T06
O-acetylthreonine
143.058246
T07
O-decanoyl threonine
255.183446
T08
O-octanoyl threonine
227.152146
T09
O-palmitoyl threonine
339.277347
T10
Phosphothreonine
181.014011
T11
FMN phosphoryl threonine
539.141731
T12
N-Acetylgalactosamine
304.127064
T13
Beta-D-Gal(1:3)Beta-D-GalNAc
466.179894
T14
Alpha-0-SilicAcid(2:3)Beta-D-Gal(1:3) Beta-D-GalNAc
757.275304
T15
Alpha-0-SilicAcid(2:3)Beta-D-Gal(1:3) Beta-D-GalNAc<-Alpha-0-SilicAcid(2:6)
1064.35947
T18
Hex-Glycosylation
263.10051
V01
N-pyruvate 2-iminyl-valine
169.073896
V02
D-4-hydroxyvaline
115.063332
V03
N-acetylvaline
141.078982
W01
3'-geranyl-2',N2-cyclotryptophan
322.204517
W02
3-hydroxytryptophan
202.074231
W03
6'-bromotryptophan
263.989829
W04
6'-chlorotryptophan
220.040344
W05
N2-succinyltryptophan
286.095360
W06
Tryptophan amide
185.095300
W07
Tryptophylquinone
216.053495
W08
N-Linked (Manose)
348.13215
W09
C-Linked (Manose)
348.13215
W10
Hex-Glycosylation
348.13215
Y01
(Z)-2,3-didehydrotyrosine
161.047681
Y03
Triiodothyronine
632.779475
Y04
Tyrosine amide
162.079315
Y05
Sulfotyrosine
243.020146
Y06
2,3-didehydrotyrosine
161.047681
Y07
(E)-2,3-didehydrotyrosine
161.047681
Y08
2',4',5'-topaquinone
193.037510
Y09
3',4'-dihydroxyphenylalanine
179.058246
Y10
Phosphotyrosine
243.029661
Y11
O-8alpha-FAD tyrosine
946.204815
Y12
N-methyltyrosine
177.078981
Y13
Nitrated tyrosine
208.048409
Y14
N-acetyltyrosine
205.073896
Y16
Hex-Glycosylation
325.11616
