1a8b
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RAT ANNEXIN V COMPLEXED WITH GLYCEROPHOSPHOETHANOLAMINE
OverviewOverview
Structural evidence is presented for a 'Ca(2+)-bridging' mechanism, proposed for Ca(2+)-binding interfacial membrane proteins such as, annexins, protein kinase C, and certain coagulation proteins. Crystal, structures of Ca(2+)-annexin V complexes with phospholipid polar heads, provide molecular details of 'Ca(2+)-bridges' as key features in the, membrane attachment exhibited by these proteins. Distinct binding sites, for phospholipid head groups are observed, including a novel, double-Ca2+, recognition site for phosphoserine that may serve as a phosphatidylserine, receptor site in vivo.
About this StructureAbout this Structure
1A8B is a [Single protein] structure of sequence from [Rattus norvegicus] with CA and GPE as [ligands]. Full crystallographic information is available from [OCA].
ReferenceReference
Ca(2+)-bridging mechanism and phospholipid head group recognition in the membrane-binding protein annexin V., Swairjo MA, Concha NO, Kaetzel MA, Dedman JR, Seaton BA, Nat Struct Biol. 1995 Nov;2(11):968-74. PMID:7583670
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