Linked Life Data

3094936

Source:http://linkedlifedata.com/resource/pubmed/id/3094936

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1986-11-24
pubmed:abstractText
Previous work has shown that odd-numbered oligosaccharides containing nonreducing terminal, non-sulfated N-acetylgalactosamine (GalNAc) or 6-sulfated GalNAc are excellent acceptors for enzymic addition of glucuronic acid (GlcA). However, the presence of a 4-sulfated GalNAc group blocks further addition. We have now used even-numbered oligosaccharides (a mixture of 4-sulfated, 6-sulfated, and non-sulfated) as acceptors of [3H]GalNAc to investigate the effect of sulfate residues on the GalNAc in the penultimate position. 3H-Labeled oligosaccharides were partially degraded with chondroitin AC lyase. The labeled trisaccharides, consisting of the added [3H]GalNAc and the nonreducing terminal disaccharides of the oligosaccharide acceptors, were then characterized. Both non-sulfated and mono-sulfated 3H-trisaccharides were observed. However, the 3H-trisaccharides were shown by chromatography with prepared standards to be non-sulfated or to be sulfated only at the 6-position. Thus the oligosaccharides containing a 4-sulfated, penultimate GalNAc at the nonreducing end did not serve as acceptors for [3H]GalNAc. Microsomes from mastocytoma cells, which make only chondroitin 4-sulfate, exhibited the same substrate specificity for exogenous oligosaccharide acceptors as did microsomes from chick cartilage which makes chondroitin 6-sulfate.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0008-6215
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
151
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
207-12
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1986
pubmed:articleTitle
The effect of penultimate N-acetylgalactosamine 4-sulfate on chondroitin chain elongation.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S.