Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
9
pubmed:dateCreated
2007-9-7
pubmed:abstractText
Binding of the Cdc25c-T48 ligand to PinA from Aspergillus nidulans has been characterised by the identification of 15N and 1H resonances from 1H-15N HSQC NMR titration experiments using previous backbone assignments. It is shown that the binding site for the Cdc25c-T48 ligand with PinA is the same as in the mammalian protein Pin1, although with a reduced binding affinity. It had previously been proposed that the arginine residue (R17) in the loop I region of the Pin1 WW domain is essential for binding to the pSer/pThr-Pro motifs of phosphorylated ligands such as Cdc25c. In PinA, a fungal homologue of Pin1, the arginine residue (R17) is replaced with an asparagine residue (N17). The effect of substitution of R17 by N17 in Pin1 has been investigated via a computational study, which predicted that changing R17 to N17 in Pin1 lowers the ligand binding affinity as a result of reduced hydrogen bonding between the protein and the phosphate group of the ligand.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Sep
pubmed:issn
0006-3002
pubmed:author
pubmed:issnType
Print
pubmed:volume
1774
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1208-12
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
PinA from Aspergillus nidulans binds to pS/pT-P motifs using the same Loop I and XP groove as mammalian Pin1.
pubmed:affiliation
Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraqi 305-8566, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't