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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2000-8-17
pubmed:abstractText
The amino acid sequence of the glycopeptide obtained from bovine PASII/PMP22 protein in the PNS myelin was determined to be Gln-Asn-Cys-Ser-Thr, where the asparagine was glycosylated. To eliminate all the contaminated P(o) glycopeptides from the PASII/PMP22 glycopeptide preparation, we used a fluorescent probe, N-[2-(2-pyridylamino)ethyl]maleimide, which reacts with the cysteine of the PASII/PMP22 glycopeptides. The labeled PASII/PMP22 glycopeptides were isolated by HPLC and were digested further with glycopeptidase A. The resultant oligosaccharides were conjugated with 2-aminopyridine (PA) as a fluorescent tag. One major PA-oligosaccharide, OPPE1, was purified by HPLC. The structure of OPPE1 was elucidated by fast atom bombardment mass spectrometry and (1)H-NMR studies and comparing the derivatives of PA-OPPE1 and PA-oligosaccharides of gamma-globulin on HPLC. The structure, SO(4)-3GlcAbeta1-3Galbeta1-4GlcNAcbeta1-2Manalpha1+ ++-6(GlcNAcbeta1-4) (GlcNAcbeta1-2Manalpha1-3)Manbeta1-4GlcNAcbeta1- 4(Fucalpha1-6)GlcNAc- PA, was identical to the pyridylaminated form of the major oligosaccharide D8 of bovine P(o) previously reported.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0022-3042
pubmed:author
pubmed:issnType
Print
pubmed:volume
75
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
853-60
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2000
pubmed:articleTitle
Structure of a major oligosaccharide of PASII/PMP22 glycoprotein in bovine peripheral nerve myelin.
pubmed:affiliation
Department of Physiology, Saitama Medical School, Saitama, Japan. Department of Physiology, Faculty of Medicine, Keio University, Tokyo, Japan. kitamura@saitamamed.ac.jp
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't