Salivary MUC7 is a major carrier of blood group I type O-linked oligosaccharides serving as the scaffold for sialyl Lewis x

PubMed Entry

GlyToucan Accession Number: G03266UM

Peak Intensity
431.1 3028.1
472.2 444.2
491.1 986.3
499.0 289.8
509.3 989.2

Annotations:

Z^{2,4}X_{GlcNAc}
520.5 2835.2
533.3 2159.6
537.3 282.9

Annotations:

^{0,4}X_{NeuAc}Z
551.0 6108.4
553.1 988.2

Annotations:

YZ ZY
571.4 226.8

Annotations:

YY
580.5 821.6

Annotations:

B^{0,2}X_{NeuAc}
581.2 2378.7

Annotations:

^{1,5}X_{Gal}Z Z^{1,5}X_{Gal}
589.3 93.8
597.1 365.9

Annotations:

^{0,4}X_{Gal}Z
639.1 384.1
715.3 13502.1

Annotations:

YZ ZY YZ ZY
729.3 2553.2

Annotations:

^{3,5}A_{GalNAc}Y C^{0,3}X_{Gal} C^{1,4}X_{Fuc} ^{1,4}A_{GlcNAc} ^{1,4}X_{GalNAc}Z
733.2 33513.2

Annotations:

YY YY
734.0 0.2
741.4 455.9

Annotations:

B^{0,4}X_{Gal} B^{1,3}X_{Fuc} B^{2,4}X_{Fuc}
757.5 354.0

Annotations:

B^{1,3}X_{NeuAc} B^{0,4}X_{Fuc} Z^{0,2}X_{Gal} ^{0,2}X_{Gal}Z
759.4 261.3

Annotations:

C^{0,4}X_{Gal} ^{1,3}X_{GlcNAc}Z Z^{1,3}X_{GlcNAc} ^{1,3}X_{GalNAc}Z C^{1,3}X_{Fuc} C^{2,4}X_{Fuc}
768.1 1778.3
785.7 889.7

Annotations:

^{0,2}X_{NeuAc}Z Z^{0,2}X_{NeuAc}
799.3 696.8
824.4 613.2
835.4 4853.2

Annotations:

Y^{1,3}X_{Gal} Y^{2,4}X_{Gal} ^{1,3}X_{Gal}Y ^{2,4}X_{Gal}Y
877.5 1077.1

Annotations:

YZ ZY
889.4 629.6
891.4 7360.4

Annotations:

^{1,4}X_{NeuAc}Z ^{0,3}A_{GalNAc} Z^{1,4}X_{NeuAc}
894.6 352.1
895.3 198849.2

Annotations:

YY
896.1 2586.3
912.0 317.2
936.7 607.0

Annotations:

Y^{2,5}X_{Fuc} ^{2,5}X_{Gal}Y ^{2,5}X_{Gal}Y Y^{2,5}X_{Fuc}
937.3 3149.3
945.9 2806.8

Annotations:

Z^{1,3}X_{Fuc} Z^{2,4}X_{Fuc} ^{0,4}X_{GlcNAc}Z ^{0,4}X_{Gal}Z Z^{0,4}X_{Gal} Z^{1,3}X_{Fuc} Z^{2,4}X_{Fuc} Z^{0,4}X_{GlcNAc}
964.8 376.7

Annotations:

Y^{1,3}X_{Fuc} Y^{2,4}X_{Fuc} ^{0,4}X_{GlcNAc}Y ^{0,4}X_{Gal}Y Y^{0,4}X_{Gal} Y^{1,3}X_{Fuc} Y^{2,4}X_{Fuc} Y^{0,4}X_{GlcNAc} ^{2,4}X_{GalNAc}
966.1 307.3

Annotations:

Y^{3,5}X_{Fuc} Y^{3,5}X_{Fuc}
987.5 301.5
988.4 695.5
1004.8 591.6

Annotations:

ZZ ZZ
1006.3 1963.0

Annotations:

Z Z
1008.1 215.7
1018.2 1208.7
1022.5 175.1

Annotations:

ZY YZ YZ ZY
1023.2 189.9
1024.2 525.9

Annotations:

Y Y
1028.7 163.7
1036.3 4054.9
1040.4 1303.4

Annotations:

YY YY
1048.2 356.7

Annotations:

^{0,4}X_{NeuAc}Z Z^{0,4}X_{NeuAc}
1077.9 1353.9

Annotations:

Z^{0,3}X_{Gal} ^{0,3}X_{Gal}Z Z^{1,4}X_{Fuc} Z^{1,4}X_{Fuc} ^{0,3}X_{Gal}Z ^{0,3}X_{Gal}Z
1078.7 3487.7

Annotations:

^{0,3}X_{Gal}Z Z^{1,4}X_{Fuc} Z^{0,3}X_{Gal} Z^{1,4}X_{Fuc} ^{0,3}X_{Gal}Z ^{0,3}X_{Gal}Z
1082.4 81.1

Annotations:

^{2,5}X_{Gal} Y^{0,2}X_{Fuc} Y^{0,2}X_{Fuc} ^{2,5}X_{Gal}
1090.4 2414.1
1100.8 474.1
1102.2 933.2
1108.4 37911.9

Annotations:

^{2,5}X_{NeuAc}Z ^{2,5}X_{NeuAc}Z ^{0,4}X_{Gal}Z Z^{1,3}X_{Fuc} Z^{2,4}X_{Fuc} ^{0,4}X_{GlcNAc}Z Z^{0,4}X_{Gal} Z^{1,3}X_{Fuc} Z^{2,4}X_{Fuc} Z^{0,4}X_{GlcNAc} ^{0,4}X_{Gal}Z ^{0,4}X_{Gal}Z
1109.1 0.4
1124.4 1379.6

Annotations:

Z^{0,4}X_{Fuc} ^{1,3}X_{NeuAc}Z Z^{1,3}X_{NeuAc} Z^{0,4}X_{Fuc}
1126.4 25539.9

Annotations:

Y^{1,3}X_{Fuc} Y^{2,4}X_{Fuc} ^{2,5}X_{NeuAc}Y ^{2,5}X_{NeuAc}Y ^{0,4}X_{Gal}Y ^{1,3}X_{Gal} ^{2,4}X_{Gal} Y^{0,4}X_{Gal} Y^{0,4}X_{GlcNAc} ^{0,4}X_{GlcNAc}Y Y^{1,3}X_{Fuc} Y^{2,4}X_{Fuc} ^{0,4}X_{Gal}Y ^{0,4}X_{Gal}Y ^{1,3}X_{Gal} ^{2,4}X_{Gal}
1132.7 147.1
1142.4 8051.4

Annotations:

Y^{0,4}X_{Fuc} ^{1,3}X_{NeuAc}Y Y^{1,3}X_{NeuAc} Y^{0,4}X_{Fuc}
1150.2 4514.6
1167.5 787.4
1168.3 143935.8

Annotations:

Z Z
1168.9 58.9

Annotations:

Z Z
1184.0 483.7
1184.6 2338.8
1185.6 34834.4
1186.4 2467548.9

Annotations:

Y Y
1187.0 878.5
1187.6 6183.2
1188.4 1783.7
1194.5 1458.9

Annotations:

^{2,5}A_{GalNAc}Z
1213.7 1503.6
1256.2 2646.3

Annotations:

^{0,2}X_{NeuAc} ^{0,2}X_{NeuAc}
1284.1 1652.6
1297.7 211.1
1303.0 507.9
1307.9 797.6
1318.1 413.2
1321.5 1291.3
1341.2 1031.6
1351.1 2316.4
1355.3 257.2
1366.8 685.0
1373.4 1539.6

Annotations:

^{0,2}X_{Fuc}
1379.6 569.1
1384.5 77.1
1397.0 2413.8
1398.7 400.7
1399.4 89.0
1400.7 164.7
1410.9 532.5
1415.6 5306.7
1417.4 9372.2

Annotations:

^{0,4}X_{Gal} ^{0,4}X_{GlcNAc} ^{1,3}X_{Fuc} ^{2,4}X_{Fuc} ^{0,4}X_{Gal}
1423.1 195.5
1433.5 42280.2

Annotations:

^{1,3}X_{NeuAc} ^{0,4}X_{Fuc} ^{1,3}X_{NeuAc}
1434.2 0.1
1441.0 5990.2
1441.6 2083.8
1445.5 258.6
1449.4 187.9
1454.6 102.4
1457.5 628.6
1458.1 916.3
1459.4 58511.9
1460.0 1008.1
1471.2 463.2
1472.2 228.8

There are 4 similar spectra:

Id Structure Score

3717

1.00

2927

0.99

168

0.97

2928

0.78
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