Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1997-4-30
pubmed:abstractText
The interaction between the flagellum specific sigma factor, sigma 28, and its inhibitor, FlgM, was examined using multidimensional heteronuclear NMR. Here we observe that free FlgM is mostly unfolded, but about 50% of the residues become structured when bound to sigma 28. Our analysis suggests that the sigma 28 binding domain of FlgM is contained within the last 57 amino acids of the protein while the first 40 amino acids are unstructured in both the free and bound states. Genetic analysis of flgM mutants that fail to inhibit sigma 28 activity reveal amino acid changes that are also isolated to the C-terminal 57 residues of FlgM. We postulate that the lack of structure in free and bound FlgM is important to its role as an exported protein.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1072-8368
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
285-91
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
The C-terminal half of the anti-sigma factor, FlgM, becomes structured when bound to its target, sigma 28.
pubmed:affiliation
Institute of Molecular Biology, University of Oregon, Eugene 97403, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't