Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
1980-4-17
pubmed:abstractText
Myeloma Protein Tro has been isolated from the plasma of a myeloma patient. Monomeric IgA was separated from its polymer (by chromatography on Sephadex G-200). Both the forms were split with pepsin or cyanogen bromide and, if necessary, with thermolysin and subtilisin. The cystin-containing peptides were isolated from the hydrolysates by chromatography on Sephadex, ion-exchange columns, preparative paper chromatography, thin-layer chromatography, electrophoresis or by a combination of these methods. They were characterized by amino acid analyses and by determination of the N-terminal amino acids using the Dansyl-Edman procedure. Thus all the disulfide bridges of an IgA1 immunoglobulin could be established. The monomer has all together 48 cysteins, seven in each L- and seventeen in each H-chain; all these are covalently bonded by SS-bridges. Free SH-groups were not detected. The J-chain could only be identified serologically in the polymeric form of the protein. It is shown that the subunits of the polymers are covalently attached through either Cysl3, Cysl7 or both these residues of the H-chain.
pubmed:language
ger
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0018-4888
pubmed:author
pubmed:issnType
Print
pubmed:volume
360
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1919-40
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1979
pubmed:articleTitle
[Rule of antibody structure. Primary structure of a human monoclonal IgA-immunoglobulin (myeloma protein Tro). VII. Purification and characterization of the disulfide bridges].
pubmed:publicationType
Journal Article, English Abstract