2irt

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[[Image:2irt.jpg|left|200px]]
[[Image:2irt.jpg|left|200px]]
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{{Structure
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2irt FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2irt OCA], [http://www.ebi.ac.uk/pdbsum/2irt PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2irt RCSB]</span>
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'''INITIAL CRYSTALLOGRAPHIC ANALYSES OF A RECOMBINANT INTERLEUKIN-1 RECEPTOR ANTAGONIST PROTEIN'''
'''INITIAL CRYSTALLOGRAPHIC ANALYSES OF A RECOMBINANT INTERLEUKIN-1 RECEPTOR ANTAGONIST PROTEIN'''
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[[Category: Einspahr, H M.]]
[[Category: Einspahr, H M.]]
[[Category: Finzel, B C.]]
[[Category: Finzel, B C.]]
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[[Category: signal protein]]
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[[Category: Signal protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 07:47:21 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:47:41 2008''
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Revision as of 04:47, 4 May 2008

Template:STRUCTURE 2irt

INITIAL CRYSTALLOGRAPHIC ANALYSES OF A RECOMBINANT INTERLEUKIN-1 RECEPTOR ANTAGONIST PROTEIN


Overview

We report the crystallization of samples of a recombinant preparation of human interleukin-1 receptor antagonist protein (IRAP) and solution of the crystal structure by isomorphous replacement methods. Crystals were obtained by the hanging-drop vapor-diffusion method at 277 K from solutions of PEG 4000 containing sodium chloride, dithiothreitol and PIPES [sodium piperazione-N,N'-bis(2-ethanesulfonate)] buffer at pH 7.0. Crystals appear within about a week and grow as truncated tetragonal bipyramids to 0.3-0.6 mm on an edge. X-ray diffraction data from these crystals specify space group P4(3)2(1)2 and unit-cell dimensions of a = b = 72.35(26), c = 114.7(8) A and Z = 16 (two molecules per asymmetric unit). Fresh crystals diffract to about 2.3 A resolution. The search for heavy-atom derivatives has produced two, potassium gold cyanide and trimethyl lead chloride, as same-site, single-site derivatives. Inspection of an electron-density map at 4 A resolution calculated with these derivatives confirms that the IRAP molecule is a member of the interleukin-1 structural family.

About this Structure

2IRT is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Initial crystallographic analysis of a recombinant human interleukin-1 receptor antagonist protein., Clancy LL, Finzel BC, Yem AW, Deibel MR Jr, Strakalaitis NA, Brunner DP, Sweet RM, Einspahr HM, Acta Crystallogr D Biol Crystallogr. 1994 Mar 1;50(Pt 2):197-201. PMID:15299459 Page seeded by OCA on Sun May 4 07:47:21 2008

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