Presence of terminal N-acetylgalactosamineBeta1-4N-acetylglucosamine residues on O-linked oligosaccharides from gastric MUC5AC: involvement in Helicobacter pylori colonization?

This structure is currently under evaluation

PubMed Entry

Peak Intensity
152.95 1.7
154.05 3.0
155.04 1.1
156.27 1.7
161.02 1.1

Annotations:

B
164.84 1.5

Annotations:

Y
165.16 2.7

Annotations:

Y
171.85 1.4
172.13 3.6
178.97 4.2

Annotations:

C
179.16 3.0

Annotations:

C
184.0 1.9

Annotations:

BZ
186.89 2.0
187.13 4.2
199.19 0.9
200.94 48.2
202.04 43.5

Annotations:

BY CZ
203.11 3.1
204.09 1.0
217.87 3.7
226.97 0.9
228.99 2.6
231.03 1.9
233.15 1.6
234.83 2.2
246.22 2.2
265.0 2.9

Annotations:

^{2,5}A_{GlcNAc}
267.0 1.5
272.89 1.3
276.9 1.7
302.05 2.8
302.29 2.9
304.0 1.5
304.3 2.9
304.84 3.4
307.07 1.2
307.98 0.9
308.33 1.7
309.01 4.6
320.0 3.0
326.09 4.9
326.74 4.0
327.38 3.0
327.79 3.0
328.23 3.7
328.82 3.8
339.38 1.3
350.16 80.7

Annotations:

Z
351.05 9.8
351.32 2.4
354.96 3.3
362.16 2.0
364.12 27.1

Annotations:

B
365.14 1.9
368.15 28.9

Annotations:

Y
369.25 5.0
370.02 2.8
381.97 3.5

Annotations:

C
387.04 1.0
389.14 0.9
396.11 1.3
402.86 1.1
412.84 1.2
422.34 1.6
422.9 1.2
424.6 0.9
425.27 2.5
429.82 3.4
433.19 1.2
437.08 1.1
440.07 4.2
444.03 2.1
445.86 0.7
448.07 1.7
449.96 1.9
466.09 2.5
467.07 1.5
467.83 3.1
469.87 4.5
470.22 14.9
470.8 6.3
471.09 2.6
471.37 1.8
483.26 3.4
484.34 1.6
484.79 2.6
485.26 2.0
485.67 2.3
486.8 2.7
488.3 35.8
489.13 4.7
489.45 4.3
493.79 1.7
498.63 1.2
498.95 3.6
508.41 4.5
512.08 4.8

There are 2 similar spectra:

Id Structure Score

175

0.92

129

0.59
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