Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1991-4-22
pubmed:abstractText
We have noted the presence of the consensus amino acid sequence for phosphorylation by M-phase specific histone H1 kinase in six sites of the tumor suppressor gene retinoblastoma (RB) protein and determined whether or not RB protein is, in fact, phosphorylated by this kinase. Highly purified enzyme was used for this purpose. Human cell extracts immunoprecipitated with anti-RB antiserum as well as RB proteins expressed in Escherichia coli cells were shown to be phosphorylated by this kinase in vitro. Synthetic peptides for the six expected sites were also phosphorylated. These results suggest the possibility that the function of RB protein is regulated by CDC2 kinase. We also noted the presence of putative phosphorylation sites by H1 kinase in a homologous region between the RB gene and L1 family repetitive sequences.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:author
pubmed:volume
20
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
171-6
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
1989
pubmed:articleTitle
Phosphorylation of the tumor suppressor gene RB protein by M-phase specific histone H1 kinase.
pubmed:affiliation
Biology Division, National Cancer Center Research Institute, Tokyo, Japan.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't