1bt6
From Proteopedia
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'''P11 (S100A10), LIGAND OF ANNEXIN II IN COMPLEX WITH ANNEXIN II N-TERMINUS''' | '''P11 (S100A10), LIGAND OF ANNEXIN II IN COMPLEX WITH ANNEXIN II N-TERMINUS''' | ||
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[[Category: Russo-Marie, F.]] | [[Category: Russo-Marie, F.]] | ||
[[Category: Sopkova, J.]] | [[Category: Sopkova, J.]] | ||
| - | [[Category: | + | [[Category: Calcium/phospholipid binding protein]] |
| - | [[Category: | + | [[Category: Ef-hand protein]] |
| - | + | [[Category: Ligand of annexin ii]] | |
| - | [[Category: | + | [[Category: S100 family]] |
| - | [[Category: | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 11:55:48 2008'' |
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| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 08:55, 2 May 2008
P11 (S100A10), LIGAND OF ANNEXIN II IN COMPLEX WITH ANNEXIN II N-TERMINUS
Overview
The aggregation and membrane fusion properties of annexin II are modulated by the association with a regulatory light chain called p11.p11 is a member of the S100 EF-hand protein family, which is unique in having lost its calcium-binding properties. We report the first structure of a complex between p11 and its cognate peptide, the N-terminus of annexin II, as well as that of p11 alone. The basic unit for p11 is a tight, non-covalent dimer. In the complex, each annexin II peptide forms hydrophobic interactions with both p11 monomers, thus providing a structural basis for high affinity interactions between an S100 protein and its target sequence. Finally, p11 forms a disulfide-linked tetramer in both types of crystals thus suggesting a model for an oxidized form of other S100 proteins that have been found in the extracellular milieu.
About this Structure
1BT6 is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.
Reference
The crystal structure of a complex of p11 with the annexin II N-terminal peptide., Rety S, Sopkova J, Renouard M, Osterloh D, Gerke V, Tabaries S, Russo-Marie F, Lewit-Bentley A, Nat Struct Biol. 1999 Jan;6(1):89-95. PMID:9886297 Page seeded by OCA on Fri May 2 11:55:48 2008
