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1fat

From Proteopedia

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[[Category: plant defense protein]]
[[Category: plant defense protein]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 12:02:32 2007''
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 15:11:50 2007''

Revision as of 13:07, 30 October 2007

Image:1fat.gif

1fat, resolution 2.8Å

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PHYTOHEMAGGLUTININ-L

Overview

The structure of phytohemagglutinin-L (PHA-L), a leucoagglutinating seed, lectin from Phaseolus vulgaris, has been solved with molecular replacement, using the coordinates of lentil lectin as model, and refined at a, resolution of 2.8 A. The final R-factor of the structure is 20.0%. The, quaternary structure of the PHA-L tetramer differs from the structures of, the concanavalin A and peanut lectin tetramers, but resembles the, structure of the soybean agglutinin tetramer. PHA-L consists of two, canonical legume lectin dimers that pack together through the formation of, a close contact between two beta-strands. Of the two covalently bound, oligosaccharides per monomer, only one GlcNAc residue per monomer is, visible in the electron density. In this article we describe the structure, of ... [(full description)]

About this Structure

1FAT is a [Single protein] structure of sequence from [Phaseolus vulgaris] with NAG, MN and CA as [ligands]. Structure known Active Sites: CAA, CAB, CAC, CAD, MNA, MNB, MNC and MND. Full crystallographic information is available from [OCA].

Reference

The crystallographic structure of phytohemagglutinin-L., Hamelryck TW, Dao-Thi MH, Poortmans F, Chrispeels MJ, Wyns L, Loris R, J Biol Chem. 1996 Aug 23;271(34):20479-85. PMID:8702788

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