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1hlc

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{{STRUCTURE_1hlc| PDB=1hlc | SCENE= }}
{{STRUCTURE_1hlc| PDB=1hlc | SCENE= }}
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'''X-RAY CRYSTAL STRUCTURE OF THE HUMAN DIMERIC S-LAC LECTIN, L-14-II, IN COMPLEX WITH LACTOSE AT 2.9 ANGSTROMS RESOLUTION'''
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===X-RAY CRYSTAL STRUCTURE OF THE HUMAN DIMERIC S-LAC LECTIN, L-14-II, IN COMPLEX WITH LACTOSE AT 2.9 ANGSTROMS RESOLUTION===
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==Overview==
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S-Lac lectins are a family of soluble lactose-binding animal lectins, some of which have been implicated in modulating cell-cell and cell-matrix interactions through specific carbohydrate-mediated recognition. We report here the x-ray crystal structure of a representative member of this family, the human dimeric S-Lac lectin, L-14-II, in complex with lactose, at 2.9-A resolution. The two-fold symmetric dimer is made up of two extended anti-parallel beta-sheets, which associate in a beta-sandwich motif. Remarkably, the L-14-II monomer shares not only the same topology, but a very similar beta-sheet structure with that of the leguminous plant lectins, suggesting a conserved structure-function relationship. Carbohydrate binding by L-14-II was found to involve protein residues that are very highly conserved among all S-Lac lectins. These residues map to a single DNA exon, suggesting a carbohydrate binding cassette common to all S-Lac lectins.
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{{ABSTRACT_PUBMED_8262940}}
==About this Structure==
==About this Structure==
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[[Category: Rini, J M.]]
[[Category: Rini, J M.]]
[[Category: Lectin]]
[[Category: Lectin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 18:58:43 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 08:21:26 2008''

Revision as of 05:21, 1 July 2008

Image:1hlc.png

Template:STRUCTURE 1hlc

X-RAY CRYSTAL STRUCTURE OF THE HUMAN DIMERIC S-LAC LECTIN, L-14-II, IN COMPLEX WITH LACTOSE AT 2.9 ANGSTROMS RESOLUTION

Template:ABSTRACT PUBMED 8262940

About this Structure

1HLC is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

X-ray crystal structure of the human dimeric S-Lac lectin, L-14-II, in complex with lactose at 2.9-A resolution., Lobsanov YD, Gitt MA, Leffler H, Barondes SH, Rini JM, J Biol Chem. 1993 Dec 25;268(36):27034-8. PMID:8262940

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