Linked Life Data

4067174

Source:http://linkedlifedata.com/resource/pubmed/id/4067174

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4-5
pubmed:dateCreated
1986-1-15
pubmed:abstractText
Two methods for the determination of methionine in proteins have been used to estimate the extent of methionine sulfoxide obtained upon exposure of proteins to oxidizing agents. Both methods are based on prior treatment with cyanogen bromide, which attacks methionines (but not the sulfoxide derivative) with the resultant formation of methyl thiocyanate and peptides. The amount of methyl thiocyanate is determined quantitatively by gas chromatography, while the number of peptides is ascertained by SDS-polyacrylamide gel electrophoresis. The gas chromatographic estimate of CH3SCN offers an accurate and precise method (down to nanogram values) for the quantitative determination of methionine sulfoxide in proteins. Due to its simplicity and the use of low-cost equipment, the electrophoretic method appears to be a valuable complement to the gas chromatographic method, and the two methods in conjunction provide novel results.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0165-022X
pubmed:author
pubmed:issnType
Print
pubmed:volume
11
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
241-9
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Determination of methionine sulfoxide in proteins: comparison of a gas-chromatographic and electrophoretic method.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't