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Die Konstitution der Ganglio‐N‐tetraose und des Gangliosids GI
Abstract
Aus Rinder‐ und Menschenhirn wurden fünf Ganglioside isoliert, die je 1 Mol. Glucose, 2 Moll. Galaktose und 1 Mol. N‐Acetyl‐galaktosamin enthalten. Das aus diesen vier Zuckern aufgebaute Tetrasaccharid (Ganglio‐N‐tetraose) ließ sich in Substanz gewinnen und seine Struktur klären; dabei wurden auch beide Trisaccharide (Ganglio‐N‐triose I und II) sowie alle drei Disaccharide (Ganglio‐N‐biose I und II, Lactose) erhalten, die am Aufbau des Tetrasaccharids beteiligt sind. – Die Ganglioside G II und G III, die je 2 Moll. Lactaminsäure (N‐Acetylneuraminsäure) enthalten, und das Gangliosid G IV werden durch RDE (Neuraminidase) nur bis zum Gangliosid G I abgebaut. Die Unspaltbarkeit des letzteren (Formel S. 875) wird darauf zurückgeführt, daß des Ferment die ketosidische Bindung an C‐;3 nicht zu lösen vermag, wenn sich an C‐;4 des Galaktoserestes (in cis‐Stellung) der raumbeanspruchende Rest der Ganglio‐ N‐biose I befindet. Die aus dem unspaltbaren Gangliosid G I erhaltene 3‐Lactaminyl‐galaktose ist durch RDE leicht spaltbarDie hauptsächlichen Ergebnisse dieser Arbeit wurden vorgetragen von R. KUHN auf dem Internat. Symposium on Carbohydrate Chemistry in Birmingham, England, am 17. July 1962 .
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Citations
Cited by
CHROMATOGRAPHlC SEPARATION OF HUMAN BRAIN GANGLIOSIDES*
Svennerholm, L. (1963) · Journal of Neurochemistry · doi:10.1111/j.1471-4159.1963.tb08933.x · Cited by 1,643
The multi-tasked life of GM1 ganglioside, a true factotum of nature
Ledeen, R. W., & Wu, G. (2015) · Trends in Biochemical Sciences · doi:10.1016/j.tibs.2015.04.005 · Cited by 212
Metadata
- Authors
- Kuhn, R., & Wiegandt, H.
- Venue
- Chemische Berichte
- Publisher
- Wiley
- Published
- 1963-03
- Volume
- 96
- Issue
- 3
- Pages
- 866-880
- ISSN
- 0009-2940 (ISSN-L)
- OpenAlex
- W1981025721
- Cited by
- 293
- References
- 0
- FWCI
- 10.90
- Type
- journal article
- Language
- en
- Open access
- closed
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