Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions |
umls-concept:C0014834,
umls-concept:C0017262,
umls-concept:C0018670,
umls-concept:C0039259,
umls-concept:C0086418,
umls-concept:C0125258,
umls-concept:C0185117,
umls-concept:C0871161,
umls-concept:C1514562,
umls-concept:C1522492,
umls-concept:C1706853,
umls-concept:C1879748,
umls-concept:C1880389,
umls-concept:C1883204,
umls-concept:C1883221,
umls-concept:C2911684
|
pubmed:dateCreated |
1991-10-9
|
pubmed:abstractText |
We have expressed in Escherichia coli cDNA corresponding to human lamins A and C, together with a number of fragments produced using site-specific mutagenesis. The proteins produced in this way were characterised both biochemically and ultrastructurally, and appeared to retain their native conformation. Crosslinking showed that all fragments formed 4-chain molecular dimers ('tetramers') analogous to those formed by intact intermediate filament proteins. Shadowed preparations showed the presence of rod-like particles that closely resembled those observed for other intermediate filament proteins and their proteolytically prepared rod domains. Moreover, the expressed lamins and a series of fragments in which different domains had been deleted formed paracrystals similar to those observed with native material. Deletion of either the N- or C-terminal non-helical domains altered the solubility and aggregation properties of the expressed protein, indicating that both domains have a role in lamin assembly.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:month |
Jun
|
pubmed:issn |
0021-9533
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
99 ( Pt 2)
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
363-72
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:1885674-Cloning, Molecular,
pubmed-meshheading:1885674-Crystallization,
pubmed-meshheading:1885674-Electrophoresis, Polyacrylamide Gel,
pubmed-meshheading:1885674-Escherichia coli,
pubmed-meshheading:1885674-Gene Expression,
pubmed-meshheading:1885674-Humans,
pubmed-meshheading:1885674-Lamins,
pubmed-meshheading:1885674-Microscopy, Electron,
pubmed-meshheading:1885674-Molecular Weight,
pubmed-meshheading:1885674-Mutagenesis, Site-Directed,
pubmed-meshheading:1885674-Nuclear Proteins,
pubmed-meshheading:1885674-Solubility
|
pubmed:year |
1991
|
pubmed:articleTitle |
Expression in Escherichia coli of human lamins A and C: influence of head and tail domains on assembly properties and paracrystal formation.
|
pubmed:affiliation |
MRC Laboratory of Molecular Biology, Cambridge, UK.
|
pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|