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1zgs

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[[Image:1zgs.gif|left|200px]]
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{{Seed}}
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[[Image:1zgs.png|left|200px]]
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{{STRUCTURE_1zgs| PDB=1zgs | SCENE= }}
{{STRUCTURE_1zgs| PDB=1zgs | SCENE= }}
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'''Parkia platycephala seed lectin in complex with 5-bromo-4-chloro-3-indolyl-a-D-mannose'''
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===Parkia platycephala seed lectin in complex with 5-bromo-4-chloro-3-indolyl-a-D-mannose===
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==Overview==
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The crystal structures of the apo and mannose-bound Parkia platycephala seed lectin represent the first structure of a Mimosoideae lectin and a novel circular arrangement of beta-prism domains, and highlight the adaptability of the beta-prism fold as a building block in the evolution of plant lectins. The P.platycephala lectin is a dimer both in solution and in the crystals. Mannose binding to each of the three homologous carbohydrate-recognition domains of the lectin occurs through different modes, and restrains the flexibility of surface-exposed loops and residues involved in carbohydrate recognition. The planar array of carbohydrate-binding sites on the rim of the toroid-shaped structure of the P.platycephala lectin dimer immediately suggests a mechanism to promote multivalent interactions leading to cross-linking of carbohydrate ligands as part of the host strategy against phytopredators and pathogens. The cyclic structure of the P.platycephala lectin points to the convergent evolution of a structural principle for the construction of lectins involved in host defense or in attacking other organisms.
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The line below this paragraph, {{ABSTRACT_PUBMED_16185708}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16185708 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16185708}}
==About this Structure==
==About this Structure==
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[[Category: Lectin]]
[[Category: Lectin]]
[[Category: X-man]]
[[Category: X-man]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 17:36:19 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 15:00:16 2008''

Revision as of 12:00, 27 July 2008

Image:1zgs.png

Template:STRUCTURE 1zgs

Parkia platycephala seed lectin in complex with 5-bromo-4-chloro-3-indolyl-a-D-mannose

Template:ABSTRACT PUBMED 16185708

About this Structure

1ZGS is a Single protein structure of sequence from Parkia platycephala. Full crystallographic information is available from OCA.

Reference

The first crystal structure of a Mimosoideae lectin reveals a novel quaternary arrangement of a widespread domain., Gallego del Sol F, Nagano C, Cavada BS, Calvete JJ, J Mol Biol. 2005 Oct 28;353(3):574-83. Epub 2005 Sep 9. PMID:16185708

Page seeded by OCA on Sun Jul 27 15:00:16 2008

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