2bpr
From Proteopedia
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'''NMR STRUCTURE OF THE SUBSTRATE BINDING DOMAIN OF DNAK, 25 STRUCTURES''' | '''NMR STRUCTURE OF THE SUBSTRATE BINDING DOMAIN OF DNAK, 25 STRUCTURES''' | ||
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[[Category: Wang, H.]] | [[Category: Wang, H.]] | ||
[[Category: Zuiderweg, E R.P.]] | [[Category: Zuiderweg, E R.P.]] | ||
| - | [[Category: | + | [[Category: Hsp70]] |
| - | [[Category: | + | [[Category: Molecular chaperone]] |
| - | [[Category: | + | [[Category: Peptide binding]] |
| - | [[Category: | + | [[Category: Protein folding]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:37:24 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 17:37, 3 May 2008
NMR STRUCTURE OF THE SUBSTRATE BINDING DOMAIN OF DNAK, 25 STRUCTURES
Overview
The solution structure of the 21 kDa substrate-binding domain of the Escherichia coli Hsp70-chaperone protein DnaK (DnaK 386-561) has been determined to a precision of 1.00 A (backbone of the beta-domain) from 1075 experimental restraints obtained from multinuclear, multidimensional NMR experiments. The domain is observed to bind to its own C-terminus and offers a preview of the interaction of this chaperone with other proteins. The bound protein region is tightly held at a single amino acid position (a leucyl residue) that is buried in a deep pocket lined with conserved hydrophobic residues. A second hydrophobic binding site was identified using paramagnetically labeled peptides. It is located in a region close to the N-terminus of the domain and may constitute the allosteric region that links substrate-binding affinity with nucleotide binding in the Hsp70 chaperones.
About this Structure
2BPR is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.
Reference
NMR solution structure of the 21 kDa chaperone protein DnaK substrate binding domain: a preview of chaperone-protein interaction., Wang H, Kurochkin AV, Pang Y, Hu W, Flynn GC, Zuiderweg ER, Biochemistry. 1998 Jun 2;37(22):7929-40. PMID:9609686 Page seeded by OCA on Sat May 3 20:37:24 2008
