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2dc3

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(New page: 200px<br /> <applet load="2dc3" size="450" color="white" frame="true" align="right" spinBox="true" caption="2dc3, resolution 1.68&Aring;" /> '''Crystal structure o...)
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Revision as of 19:24, 12 November 2007

Image:2dc3.gif

2dc3, resolution 1.68Å

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Crystal structure of human cytoglobin at 1.68 angstroms resolution

Overview

Cytoglobin (Cgb) is a recently discovered member of the vertebrate, haem-containing globin family. The structure of a new crystal form of, wild-type human Cgb (space group C2) was determined at a resolution of, 1.68 Angstrom. The results show the presence of an additional helix in the, N-terminal residues (4-20) prior to the A helix and an ordered loop, structure in the C-terminal region (168-188), while these extended, peptides were invisible owing to disorder in the previously reported, structures using a P3(2)21 crystal at a resolution of 2.4 Angstrom. A, detailed comparison of the two crystal structures shows differences in the, conformation of the residues (i.e. Arg84) in the haem environment owing to, a different dimeric arrangement.

About this Structure

2DC3 is a Single protein structure of sequence from Homo sapiens with HEM and ACY as ligands. Full crystallographic information is available from OCA.

Reference

High-resolution structure of human cytoglobin: identification of extra N- and C-termini and a new dimerization mode., Makino M, Sugimoto H, Sawai H, Kawada N, Yoshizato K, Shiro Y, Acta Crystallogr D Biol Crystallogr. 2006 Jun;62(Pt 6):671-7. Epub 2006, May 12. PMID:16699195

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