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2gsj

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|PDB= 2gsj |SIZE=350|CAPTION= <scene name='initialview01'>2gsj</scene>, resolution 1.73&Aring;
|PDB= 2gsj |SIZE=350|CAPTION= <scene name='initialview01'>2gsj</scene>, resolution 1.73&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=SO4:SULFATE ION'>SO4</scene>
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
|ACTIVITY=
|ACTIVITY=
|GENE=
|GENE=
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|DOMAIN=
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2gsj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gsj OCA], [http://www.ebi.ac.uk/pdbsum/2gsj PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2gsj RCSB]</span>
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[[Category: Souza, E P.de.]]
[[Category: Souza, E P.de.]]
[[Category: Toyama, M H.]]
[[Category: Toyama, M H.]]
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[[Category: SO4]]
 
[[Category: chimerolectin]]
[[Category: chimerolectin]]
[[Category: endochitinase]]
[[Category: endochitinase]]
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[[Category: x-ray crystal structure]]
[[Category: x-ray crystal structure]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:08:31 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:20:59 2008''

Revision as of 00:20, 31 March 2008

Image:2gsj.jpg


PDB ID 2gsj

Drag the structure with the mouse to rotate
, resolution 1.73Å
Ligands:
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



cDNA cloning and 1.75A crystal structure determination of PPL2, a novel chimerolectin from Parkia platycephala seeds exhibiting endochitinolytic activity


Overview

Parkia platycephala lectin 2 was purified from Parkia platycephala (Leguminosae, Mimosoideae) seeds by affinity chromatography and RP-HPLC. Equilibrium sedimentation and MS showed that Parkia platycephala lectin 2 is a nonglycosylated monomeric protein of molecular mass 29 407+/-15 Da, which contains six cysteine residues engaged in the formation of three intramolecular disulfide bonds. Parkia platycephala lectin 2 agglutinated rabbit erythrocytes, and this activity was specifically inhibited by N-acetylglucosamine. In addition, Parkia platycephala lectin 2 hydrolyzed beta(1-4) glycosidic bonds linking 2-acetoamido-2-deoxy-beta-D-glucopyranose units in chitin. The full-length amino acid sequence of Parkia platycephala lectin 2, determined by N-terminal sequencing and cDNA cloning, and its three-dimensional structure, established by X-ray crystallography at 1.75 A resolution, showed that Parkia platycephala lectin 2 is homologous to endochitinases of the glycosyl hydrolase family 18, which share the (betaalpha)8 barrel topology harboring the catalytic residues Asp125, Glu127, and Tyr182.

About this Structure

2GSJ is a Protein complex structure of sequences from Parkia platycephala. Full crystallographic information is available from OCA.

Reference

cDNA cloning and 1.75 A crystal structure determination of PPL2, an endochitinase and N-acetylglucosamine-binding hemagglutinin from Parkia platycephala seeds., Cavada BS, Moreno FB, da Rocha BA, de Azevedo WF Jr, Castellon RE, Goersch GV, Nagano CS, de Souza EP, Nascimento KS, Radis-Baptista G, Delatorre P, Leroy Y, Toyama MH, Pinto VP, Sampaio AH, Barettino D, Debray H, Calvete JJ, Sanz L, FEBS J. 2006 Sep;273(17):3962-74. PMID:16934035

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