CHEBI:59132 - antigen

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ChEBI Name antigen
ChEBI ID CHEBI:59132
Definition Any substance that stimulates an immune response in the body, such as through antibody production or by presentation to a T-cell receptor after binding to a major histocompability complex (MHC).
Stars This entity has been manually annotated by the ChEBI Team.
Members of antigen Class Download as Tab-delimited, XML, SDF
GPL-1
Mass :1339.77550
Formula : C71H126N4O19
PIM6
Mass :1839.98180
Formula : C81H147O43P
GPL-21
Mass :1604.00480
Formula : C81H142N4O27
N-(5'-phosphonatopyridoxyl)-D-alaninate(2-)
Mass :318.21980
Formula : C11H15N2O7P
N-(5'-phosphonatopyridoxyl)-L-alaninate(2-)
Mass :318.21980
Formula : C11H15N2O7P
N-(5'-phosphopyridoxyl)-L-alanine
Mass :320.23560
Formula : C11H17N2O7P
N(6)-acetyl-N(2)-(5'-phosphonatopyridoxyl)-L-lysinate(2-)
Mass :417.35080
Formula : C16H24N3O8P
N(6)-acetyl-N(2)-(5'-phosphopyridoxyl)-L-lysine
Mass :419.36670
Formula : C16H26N3O8P
6-O-(1-O-stearoyl-sn-glycero-3-phosphono)-1D-myo-inositol
Mass :600.67630
Formula : C27H53O12P
A. haemolyticus strain 57 O-specific polysaccharide
Mass :707.63440
Formula : C28H41N3O18
A. haemolyticus strain 61 O-specific polysaccharide
Mass :0.0
Formula : (C28H41N3O18)n
P. aeruginosa immunotype 3 O-specific polysaccharide
Mass :0.0
Formula : (C28H42N6O15)n
isopentenyl diphosphate
Mass :246.09210
Formula : C5H12O7P2
S. flexneri serotype 2a O-polysaccharide (O factor 9-positive)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right4) linkage of an alpha-D-glucosyl group to the RhaI residue and by addition of acetyl groups to 60% of the O-6 positions of the GlcNAc residue and to either O-3 or O-4 of many of the RhaIII residues (60% to O-3; 25% to O-4). The structure provided is representative of that in Shigella flexneri serotype 2a and shows the most common repeating unit.
S. flexneri serotype 5a O-polysaccharide (O factor 9-positive)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right3) linkage of an alpha-D-glucosyl group to the RhaII residue and by addition of an acetyl group to either O-3 or O-4 of many of the RhaIII residues (35% to O-3; 25% to O-4). The structure provided is representative of that in Shigella flexneri serotype 5a and shows the most common repeating unit.
S. flexneri serotype 6 O-polysaccharide (O factor 9-positive)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-beta-D-GalpA-(1right3)-beta-D-GalpNAc-open1right] tetrasaccharide repeat modified by the addition of an acetyl group to either O-3 or O-4 of many of the RhaIII residues (60% to O-3; 30% to O-4). The structure provided is representative of that in Shigella flexneri serotype 6 and shows the most common repeating unit.
S. flexneri serotype 2a O-polysaccharide (O factor 9-negative)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right4) linkage of an alpha-D-glucosyl group to the RhaI residue and by addition of an acetyl group to 50% of the O-6 positions of the GlcNAc residue. The structure provided is representative of that in Shigella flexneri serotype 2a and shows the repeating unit containing the acetyl group on the GlcNAc residue.
S. flexneri serotype 5a O-polysaccharide (O factor 9-negative)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right3) linkage of an alpha-D-glucosyl group to the RhaII residue.
S. flexneri serotype Y O-polysaccharide (O factor 9-negative)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat.
glucuronoxylomannan
Definition : A linear (1right3)-linked mannan polysaccharide derivative substituted at the 2-O-positions by single residues of either xylose or glucuronic acid.
phosphatidylinositol mannoside
Definition : A glycosylphosphatidylinositol having mannose as the glycosyl moiety.
alpha-D-GalpNAc-(1->3)-[alpha-L-Fucp-(1->2)]-beta-D-Galp
Mass :529.48960
Formula : C20H35NO15
alpha-L-Fucp-(1->3)-[beta-D-Galp-(1->4)]-D-GlcpNAc
Mass :529.48960
Formula : C20H35NO15
beta-D-Galp-(1->3)-[alpha-L-Fucp-(1->4)]-D-GlcpNAc
Mass :529.48960
Formula : C20H35NO15
alpha-Kdo-(2->8)-alpha-Kdo-OAll
Mass :498.43250
Formula : C19H30O15
alpha-Kdo-(2->4)-alpha-Kdo-OAll
Mass :498.43250
Formula : C19H30O15
alpha-Kdo-(2->8)-alpha-Kdo-(2->4)-alpha-Kdo-OAll
Mass :718.60920
Formula : C27H42O22
dimethyl cardiolipin
Mass :536.27250
Formula : C15H22O17P2R4
acetyl cardiolipin
Mass :550.25600
Formula : C15H20O18P2R4
tetraoleyl cardiolipin
Mass :1457.99500
Formula : C81H150O17P2
diphosphatidyl propylene glycol
Mass :492.21990
Formula : C13H18O16P2R4
alpha-Kdo-(2->8)-alpha-7-O-Me-Kdo
Mass :472.39520
Formula : C17H28O15
GPL C-II
Mass :1235.62800
Formula : C66H114N4O17
GPL P-I
Mass :1339.77550
Formula : C71H126N4O19
GPL P-IV
Mass :1245.64400
Formula : C63H112N4O18S
GPL P-II
Mass :1325.74900
Formula : C70H124N4O19
P. stuartii O4 O-specific polysaccharide
Definition : A polysaccharide-derived antigen from Providencia stuartii composed of a backbone of branched tetrasaccharide repeating units comprised of alternating beta-D-galactose and N-acetylglucosamine residues joined to each other via beta-(1right3)- or -(1right6)-linkages, with an N-acetyl-L-asparaginyl-alpha-D-quinovosyl side-chain attached by a (1right6)-linkage to one of the galactosyl residues.
colanic acid
Definition : A polyanionic heteropolysaccharide containing a repeat unit with D-glucose, L-fucose, D-galactose, and D-glucuronic acid sugars that are non-stoichiometrically decorated with O-acetyl and pyruvate side-chains
ganglioside GM2 (18:0)
Mass :1384.68210
Formula : C67H121N3O26
5'-TCAACC-3'
Mass :1736.18720
Formula : C57H74N21O33P5
lactogangliotetraosylceramide
Mass :1380.782
Formula : C70H129N3O23
fluorescein isothiocyanate
Definition : An oxaspiro compound that is an isothiocyanato derivative of fluorescein. It exists as two isomers, with the isothiocyanato group located at either the 5- or 6-position.
K antigen
Definition : Any capsular polysaccharide derivative which is carried on the surface of a bacterial capsule or formed on the outer portion of a cell wall and masks somatic O antigens.
enterobacterial common antigen
Definition : An acidic polysaccharide containing N-acetyl-D-glucosamine, N-acetyl-D-mannosaminouronic acid, and 4-acetamido-4,6-dideoxy-D-galactose. A major component of the cell wall outer membrane of Gram-negative bacteria.
N(6)-carboxymethyl-L-lysine
Mass :204.22360
Formula : C8H16N2O4
alpha-D-galactosyl-(1->3)-D-galactose
Mass :342.29650
Formula : C12H22O11
alpha-D-GalNpAc-(1->3)-beta-D-GalpNAc
Mass :424.40030
Formula : C16H28N2O11
DDM-838
Mass :838.12710
Formula : C47H75N5O8
[3)-alpha-D-Fucp-(1->2)-beta-L-Rhap-(1->]n
Definition : A polysaccharide composed of a backbone of alpha-D-fucosyl (1right2)-beta-L-rhamnosyl repeating units that are joined to each other via (1right3)-linkages.
N-glycoloyl-beta-neuraminic acid
Mass :325.26930
Formula : C11H19NO10
Brucella O-antigen
Mass :0.0
Formula : (C28H44N4O15)n.(C7H11NO4)n.C7H12NO5
benzyl cinnamate
Mass :238.286
Formula : C16H14O2
d(Gs)19dG
Mass :6923.44600
Formula : C200H242N100O101P20S20
1-O-(alpha-D-galactosyl)-N-hexacosanoylphytosphingosine
Mass :858.32240
Formula : C50H99NO9
1-O-(alpha-lactosyl)-N-hexacosanoylphytosphingosine
Mass :1020.46300
Formula : C56H109NO14
1-O-(alpha-D-glucosyl)-N-hexacosanoylphytosphingosine
Mass :858.32240
Formula : C50H99NO9
N-hexacosanoylisoglobotriaosyl ceramide
Mass :1164.58830
Formula : C62H117NO18
S. flexneri serotype 1a O-polysaccharide (O factor 9-positive)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right4) linkage of an alpha-D-glucosyl group to the GlcNAc residue and by addition of an acetyl group to either O-3 or O-4 of many of the RhaIII residues (65% to O-3; 25% to O-4). The structure provided is representative of that in Shigella flexneri serotype 1a and shows the most common repeating unit.
S. flexneri serotype 1b O-polysaccharide (O factor 9-positive)
Definition : A polysaccharide derivative comprised of a [2close-alpha-L-RhapIII-(1right2)-alpha-L-RhapII-(1right3)-alpha-L-RhapI-(1right3)-beta-D-GlcpNAc-open1right] tetrasaccharide repeat modified by the (1right4) linkage of an alpha-D-glucosyl group to the GlcNAc residue and by addition of acetyl groups to O-2 of 80% of the RhaI residues and to either O-3 or O-4 of many of the RhaIII residues (70% to O-3; 15% to O-4). The structure provided is representative of that in Shigella flexneri serotype 1b and shows the most common repeating unit.
lipoarabinomannan
Definition : A glycolipid comprising a glycosylphosphatidyl-myo-inositol-anchored lipoglycan; a virulence factor associated with Mycobacterium tuberculosis.
Para-LP-01
Mass :918.29790
Formula : C54H87N5O7
5'-GsCsCsGsAsGsGsTsCsCsAsTsGsTsCsGsTsAsCsGsC-3'
Mass :6744.45400
Formula : C203H257N79O105P20S20
5'-TsGsTsGsGsGsTsTsAsAsGsAsCsTsTsTsTsTsAsCsC-3'
Mass :6763.48700
Formula : C207H262N72O109P20S20
5'-GsCsAsGsTsCsTsAsTsTsAsCsTsGsTsGsCsGsAsGsA-3'
Mass :6878.54800
Formula : C206H260N79O107P21S21
5'-CsGsGsCsTsCsCsAsTsGsTsAsCsAsGsCsAsTsGsCsG-3'
Mass :6824.50000
Formula : C203H258N79O106P21S21
5'-GsCsGsTsAsCsGsAsCsAsTsGsGsAsCsCsTsCsGsGsC-3'
Mass :6849.51300
Formula : C203H257N82O105P21S21
P. mirabilis O11 O-specific polysaccharide
Definition : A polysaccharide derivative consisting of a repeating unit of beta-D-glucuronosyl, beta-D-galacturonosyl and N-acetyl-beta-D-glucosaminyl residues linked sequentially (1right3) and (1right3), to the glucuronosyl and N-acetylglucosaminyl residues of which are linked respectively (1right2) and (1right6) an N-acetyl-beta-D-glucosaminyl residue and an alpha-D-glucosyl residue, while the galacturonosyl residue forms an amide with L-threonine, the complete pentasaccharide repeating units all being linked (1right4). The O-polysaccharide of Proteus mirabilis O11.
P. mirabilis 9B-m O-specific polysaccharide
Definition : A polysaccharide derivative consisting of a repeating unit of beta-D-glucuronosyl, beta-D-galacturonosyl and N-acetyl-beta-D-glucosaminyl residues linked sequentially (1right3) and (1right3), to the glucuronosyl residue of which is linked (1right2) an N-acetyl-beta-D-glucosaminyl residue, while the galacturonosyl residue forms an amide with L-threonine, the complete tetrasaccharide repeating units all being linked (1right4). The O-polysaccharide of Proteus mirabilis 9B-m.
Proteus genomospecies 3J-r O-specific polysaccharide
Definition : A polysaccharide derivative consisting of a repeating unit of beta-D-glucuronosyl, beta-D-galacturonosyl and N-acetyl-beta-D-glucosaminyl residues linked sequentially (1right3) and (1right3), to the glucuronosyl and N-acetylglucosaminyl residues of which are linked respectively (1right2) and (1right6) an N-acetyl-beta-D-glucosaminyl residue and an alpha-D-glucosyl residue, while the galacturonosyl residue forms an amide with 3-O-acetyl-L-threonine, the complete pentasaccharide repeating units all being linked (1right4). The O-polysaccharide of Proteus genomospecies 3J-r.
GPL-25
Mass :1877.28710
Formula : C93H161N5O33
P. mirabilis O29 O-specific polysaccharide
Definition : A polysaccharide-derived antigen composed of a backbone of branched tetrasaccharide-derivative repeating units that are joined to each other via beta-(1right3)-linkages.
P. mirabilis O24 O-specific polysaccharide
Mass :0.0
Formula : (C30H49N3O20)n
P. mirabilis O43 O-specific polysaccharide
Mass :0.0
Formula : (C26H39NO22)n
S. flexneri serotype 5a O-specific polysaccharide
Mass :0.0
Formula : (C32H53NO22)n
E. coli 180/C3 O-specific polysaccharide
Definition : A polysaccharide-derived antigen composed of a backbone of linear tetrasaccharide-derivative repeating units that are joined to each other via alpha-(1right2)-linkages.
E. coli O5:K4:H4 O-specific polysaccharide
Definition : A polysaccharide-derived antigen composed of a backbone of linear tetrasaccharide-derivative repeating units that are joined to each other via alpha-(1right4)-linkages.
E. coli O65:K-:H- O-specific polysaccharide
Definition : A polysaccharide-derived antigen composed of a backbone of linear pentasaccharide-derivative repeating units that are joined to each other via alpha-(1right2)-linkages.
S. flexneri serotype 2a O-specific polysaccharide
Definition : A polysaccharide derivative antigen composed of a backbone of branched, derivatised-pentasaccharide repeating units that are joined to each other via beta-(1right2)-linkages.
S. flexneri serotype 2b O-specific polysaccharide
Definition : A polysaccharide derivative antigen composed of a backbone of branched hexasaccharidederivative repeating units that are joined to each other via beta-(1right2)-linkages.
P. mirabilis O6 O-specific polysaccharide
Definition : A polysaccharide derivative that is the capsular polysaccharide of Proteus mirabilis 06, strain ATCC 49565, consisting of a backbone of repeating derivatised-trisaccharide units.
Brucella sp. O-PS M-antigen
Definition : A polysaccharide-derived antigen composed of a backbone of penta-(4,6-dideoxy-4-formamido-D-mannopyranose) repeating units that are joined to each other via alpha-(1right2)-linkages.
Brucella sp. O-PS A-antigen
Mass :0.0
Formula : (C14H22N2O9)n
GPL-26
Mass :1850.26180
Formula : C92H160N4O33
GPL-8
Mass :1585.98950
Formula : C81H140N4O26
GPL-4
Mass :1660.11110
Formula : C85H150N4O27
acetyl-GPL-2
Mass :1556.00660
Formula : C81H142N4O24
GPL-9I
Mass :1906.32510
Formula : C95H164N4O34
glycerol monomycolate (C85)
Mass :1328.323
Formula : C88H174O6
glucose 6-monomycolate (C85)
Mass :1416.385
Formula : C91H178O9
1,2-di-O-myristoyl-sn-glycero-3-phosphocholine
Mass :677.93250
Formula : C36H72NO8P
1,2-di-O-myristoyl-sn-glycero-3-phosphosulfocholine
Mass :680.95600
Formula : C35H69O8PS
C80 D-glucose mono(keto-meromycolate)
Mass :1358.25940
Formula : C87H168O9
6-deoxy-D-glucos-6-yl corynomycolate
Mass :658.98940
Formula : C38H74O8
(4-hydroxy-3-iodo-5-nitrophenyl)acetic acid
Mass :323.04140
Formula : C8H6INO5
S. flexneri serotype X O-specific polysaccharide
Definition : A polysaccharide derivative antigen composed of a backbone of repeating alpha-D-Glc-(1right3)-alpha-L-Rha-(1right2)-alpha-L-Rha-(1right3)-alpha-L-Rha-(1right3)-beta-D-GlcNAc units that are connected via beta-(1right2)-linkages between the GlcNAc and the Rha residue adjacent to Glc.
S. flexneri serotype 5b O-specific polysaccharide
Definition : A polysaccharide derivative antigen composed of a backbone of repeating alpha-D-Glc-(1right3)-alpha-L-Rha-(1right2)-[alpha-D-Glc-(1right3)]-alpha-L-Rha-(1right3)-alpha-L-Rha-(1right3)-beta-D-GlcNAc units that are connected via beta-(1right2)-linkages between the GlcNAc and the Rha residue adjacent to the first Glc.
S. flexneri serotype 3a O-specific polysaccharide
Definition : A polysaccharide derivative antigen composed of a backbone of repeating alpha-D-Glc-(1right3)-alpha-L-Rha-(1right2)-alpha-L-Rha-(1right3)-2-O-Ac-alpha-L-Rha-(1right3)-beta-D-GlcNAc units that are connected via beta-(1right2)-linkages between the GlcNAc and the Rha residue adjacent to Glc.
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