1fw4

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{{STRUCTURE_1fw4| PDB=1fw4 | SCENE= }}
{{STRUCTURE_1fw4| PDB=1fw4 | SCENE= }}
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'''CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION'''
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===CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION===
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==Overview==
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Fragment TR2C is the C-terminal part of the calcium-binding protein calmodulin, including residues 78-148. The crystal structure of TR2C was solved by molecular replacement and refined to a conventional R value of 21.8% (R(free) = 22.0%), using all data in the resolution range 20.0-1.7 A. This study shows that the secondary structure of TR2C, a pair of EF-hand motifs with two calcium-binding sites, is similar to the corresponding motifs in intact calmodulin. However, it also indicates that the N-terminus of helix E is closer to the C-terminus of helix H in TR2C than in the intact protein and that the loop connecting the EF-hands shows different conformations in the two structures. The crystal structure of TR2C was further found to be similar to the set of NMR structures of this fragment, although some pronounced differences exist.
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(as it appears on PubMed at http://www.pubmed.gov), where 11320306 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11320306}}
==About this Structure==
==About this Structure==
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[[Category: Helix-loop-helix]]
[[Category: Helix-loop-helix]]
[[Category: Tr2c]]
[[Category: Tr2c]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 04:02:00 2008''

Revision as of 01:02, 1 July 2008

Image:1fw4.png

Template:STRUCTURE 1fw4

CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION

Template:ABSTRACT PUBMED 11320306

About this Structure

1FW4 is a Single protein structure of sequence from Bos taurus. This structure supersedes the now removed PDB entry 1trc. Full crystallographic information is available from OCA.

Reference

Structure of Escherichia coli fragment TR2C from calmodulin to 1.7 A resolution., Olsson LL, Sjolin L, Acta Crystallogr D Biol Crystallogr. 2001 May;57(Pt 5):664-9. Epub 2001, Apr 24. PMID:11320306

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