Linked Life Data

862618

Source:http://linkedlifedata.com/resource/pubmed/id/862618

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1977-7-29
pubmed:abstractText
The chemical structure of the lipid A component of lipopolysaccharides from Chromobacterium violaceum NCTC9694 was studied. Sequential treatment of lipopolysaccharide with alkali, acid, sodium borohydride and hydrazine allowed the isolation of a reduced glucosamine disaccharide. According to methylation studies and enzymic analysis with beta-N-acetylglucosaminidase the D-glucosamine residues are beta(1 leads to 6) linked. The disaccharide carries two phosphate groups, one being linked glycosidically, the other being linked as an ester to the non-reducing glucosamine. Application of a different degradation pathway shows that the ester-bound phosphate group is substituted by a 4-aminoarabinosyl residue and that the glycosidically linked phosphate group is substituted by a glucosaminyl residue. Neither the amino nor the hydroxyl groups of both these substituents are acylated. This backbone structure is shown in the following formula: (formula: see text). The amino groups of the central glucosamine disaccharide are substituted by D-3-hydroxy-dodecanoic acid, the hydroxyl groups by dodecanoic, L-2-hydroxydodecanoic and D-3-hydroxy-decanoic acid.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0014-2956
pubmed:author
pubmed:issnType
Print
pubmed:day
2
pubmed:volume
75
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
23-34
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
1977
pubmed:articleTitle
The chemical structure of the lipid A component of lipopolysaccharides from Chromobacterium violaceum NCTC 9694.
pubmed:publicationType
Journal Article