Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1993-8-24
pubmed:abstractText
The carboxy-terminal half of the c-src protein fused to the protein A moiety was expressed in bacteria. The protein A/truncated c-src fusion protein, which does not have SH2 and SH3 domains, is found in the periplasmic space allowing for a simple one-step purification and demonstrated high efficiency in autophosphorylation and exogeneous substrate phosphorylation. The missense mutation at codon 294 (Ile-->Thr), which is located in the ATP-binding domain of the c-src, resulted in dramatic reduction of tyrosine kinase activity of the fusion protein. Using the fusion protein, we also revealed that staurosporin, a well-known kinase inhibitor, directly affects autophosphorylation of the C-terminal half of the c-src protein. This truncated c-src expression system provides a good source of enzyme for diverse experiments and is an ideal model for understanding the implication of structural alterations in the catalytic activity of the c-src kinase by site-directed mutagenesis experiments.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0014-5793
pubmed:author
pubmed:issnType
Print
pubmed:day
26
pubmed:volume
327
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
224-30
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Bacterial expression of an active tyrosine kinase from a protein A/truncated c-src fusion protein.
pubmed:affiliation
Department of Neuro-Oncology, University of Texas M.D. Anderson Cancer Center, Houston 77030.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't