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Primary structures of the N‐linked carbohydrate chains from honeybee venom phospholipase A2

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KUBELKA, Viktoria, ALTMANN, Friedrich, STAUDACHER, Erika, TRETTER, Verena, MÄRZ, Leopold, HÅRD, Karl, KAMERLING, Johannis P., VLIEGENTHART, Johannes F. G.·1993·European Journal of Biochemistry

Abstract

The N‐linked carbohydrate chains of phospholipase A 2 from honeybee (Apis mellifera) were released from glycopeptides with peptide‐N‐glycanase A and reductively aminated with 2‐aminopyridine. The fluorescent derivatives were separated by size‐fractionation and reverse‐phase HPLC, yielding 14 fractions. Structural analysis was accomplished by compositional and methylation analyses, by comparison of the HPLC elution patterns with reference oligosaccharides, by stepwise exoglycosidase digestions which were monitored by HPLC, and, where necessary, by 500‐MHz 1 H‐NMR spectroscopy. Ten oligosaccharides consisted of mannose, N‐acetylglucosamine and fucose α1–6 and/or α1–3 linked to the innermost N‐acetylglucosamine. Four compounds, which comprised 10% of the oligosaccharide pool from phospholipase A 2, contained a rarely found terminal element with N‐acetylgalactosamine. The structures of the 14 N‐glycans from honeybee phospholipase A 2 can be arranged into the following three series: image

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Metadata

Authors
KUBELKA, V., ALTMANN, F., STAUDACHER, E., TRETTER, V., MÄRZ, L., HÅRD, K., KAMERLING, J. P., & VLIEGENTHART, J. F. G.
Venue
European Journal of Biochemistry
Publisher
Wiley
Published
1993-05
Volume
213
Issue
3
Pages
1193-1204
ISSN
  • 0014-2956 (ISSN-L)
  • 1432-1033
OpenAlex
W2111812892
Cited by
223
References
0
FWCI
3.12
Type
journal article
Language
en
Open access
bronze

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KUBELKA, V., ALTMANN, F., STAUDACHER, E., TRETTER, V., MÄRZ, L., HÅRD, K., KAMERLING, J. P., & VLIEGENTHART, J. F. G. (1993). Primary structures of the N‐linked carbohydrate chains from honeybee venom phospholipase A2. European Journal of Biochemistry. https://doi.org/10.1111/j.1432-1033.1993.tb17870.x

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