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1nxd

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{{STRUCTURE_1nxd| PDB=1nxd | SCENE= }}
{{STRUCTURE_1nxd| PDB=1nxd | SCENE= }}
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'''Crystal structure of MnMn Concanavalin A'''
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===Crystal structure of MnMn Concanavalin A===
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==Overview==
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Concanavalin A has been crystallized in the presence of the ligand (6-S-beta-D-galactopyranosyl-6-thio)-cyclomaltoheptaose. The crystals are isomorphous to those reported for ConA complexed with peptides at low resolution (3.00-2.75 angstroms). The structure was solved at 1.9 angstroms, with free R and R values of 0.201 and 0.184, respectively. As expected, no molecules of the ligand were bound to the protein. Soaking in the cryobuffer left its fingerprint as 25 molecules of glycerol in the bound solvent, most of them at specific positions. The fact that a glycerol molecule is located in the sugar-binding pocket of each of the four subunits in the asymmetric unit and another is located in two of the peptide-binding sites suggests a recognition phenomenon rather than a displacement of water molecules by glycerol. Crystal contact analysis shows that a relation exists between the residues that form hydrogen bonds to other asymmetric units and the space group: contact Asp58-Ser62 is a universal feature of ConA crystals, while Ser66-His121, Asn69-Asn118 and Tyr100-His205 contacts are general features of the C222(1) crystal form.
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(as it appears on PubMed at http://www.pubmed.gov), where 15159564 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15159564}}
==About this Structure==
==About this Structure==
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[[Category: Vargas-Berenguel, A.]]
[[Category: Vargas-Berenguel, A.]]
[[Category: Lectin]]
[[Category: Lectin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 03:05:31 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 09:04:00 2008''

Revision as of 06:04, 29 July 2008

Image:1nxd.png

Template:STRUCTURE 1nxd

Crystal structure of MnMn Concanavalin A

Template:ABSTRACT PUBMED 15159564

About this Structure

1NXD is a Single protein structure of sequence from Canavalia ensiformis. Full crystallographic information is available from OCA.

Reference

Structure of concanavalin A at pH 8: bound solvent and crystal contacts., Lopez-Jaramillo FJ, Gonzalez-Ramirez LA, Albert A, Santoyo-Gonzalez F, Vargas-Berenguel A, Otalora F, Acta Crystallogr D Biol Crystallogr. 2004 Jun;60(Pt 6):1048-56. Epub 2004, May 21. PMID:15159564

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