Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2006-9-29
pubmed:abstractText
The interaction of human visinin-like protein 1 (VILIP1) and visinin-like protein 3 (VILIP3) with divalent cations (Mg2+, Ca2+, Sr2+ and Ba2+) was explored using circular dichroism and fluorescence measurement. These results showed that the four cations each induced a different subtle change in the conformation of VILIPs. Moreover, VILIP1 and VILIP3 bound with Ca2+ or Mg2+ in a cooperative manner. Studies on the truncated mutants showed that the intact EF-3 and EF-4 were essential for the binding of VILIP1 with Ca2+ and Mg2+. Pull-down assay revealed that Ca2+ and Mg2+ enhanced the intermolecular interaction of VILIPs, and led to the formation of homo- and hetero-oligomer of VILIPs. Together with previous findings that Ca2+-dependent localization of VILIPs may be involved in the regulation of distinct cascades and deprivation of Ca2+-binding capacity of VILIPs did not completely eliminate their activity, it is likely to reflect that Mg2+-bound VILIPs may play a role in regulating the biological function of VILIPs in response to a concentration fluctuation of Ca2+ in cells.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
1572-3887
pubmed:author
pubmed:issnType
Print
pubmed:volume
25
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
250-6
pubmed:dateRevised
2007-7-18
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Functional contribution of Ca2+ and Mg2+ to the intermolecular interaction of visinin-like proteins.
pubmed:affiliation
Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, 804, Taiwan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't