1reo: Difference between revisions

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[[Image:1reo.jpg|left|200px]]
{{Seed}}
[[Image:1reo.png|left|200px]]


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{{STRUCTURE_1reo|  PDB=1reo  |  SCENE=  }}  
{{STRUCTURE_1reo|  PDB=1reo  |  SCENE=  }}  


'''L-amino acid oxidase from Agkistrodon halys pallas'''
===L-amino acid oxidase from Agkistrodon halys pallas===




==Overview==
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A snake-venom protein named AHP-LAAO has been purified from Agkistrodon halys pallas venom using four-stage chromatography. AHP-LAAO is a novel member of the snake-venom L-amino-acid oxidase family. Its amino-acid sequence shows high homology to other members of this family. For L-leucine, the values of k(cat) and K(M) are 31.1 s(-1) and 0.25 mM, respectively. The molecular weight of AHP-LAAO is about 60.7 kDa as determined by MALDI-TOF mass spectrometry. AHP-LAAO can also induce apoptosis of cultured Hela cells. Two sets of diffraction data with similar resolution limits (about 2.5 A) were collected independently at MacCHESS (Cornell High Energy Synchrotron Source, USA) and IHEP (Institute of High Energy Physics, Beijing, China). The crystals belong to space group I2(1)3, with unit-cell parameter a = 169.31 A, corresponding to one molecule in the asymmetric unit and a volume-to-weight ratio of 3.33 A(3) Da(-1). The final structural model is similar to that of L-amino-acid oxidase from Calloselasma rhodostoma venom.
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{{ABSTRACT_PUBMED_15103157}}


==About this Structure==
==About this Structure==
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[[Category: Zhang, H.]]
[[Category: Zhang, H.]]
[[Category: L-amino acid oxidase]]
[[Category: L-amino acid oxidase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May  3 07:24:08 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 17:44:47 2008''

Revision as of 14:44, 28 July 2008

File:1reo.png

Template:STRUCTURE 1reo

L-amino acid oxidase from Agkistrodon halys pallas

Template:ABSTRACT PUBMED 15103157

About this Structure

1REO is a Single protein structure of sequence from Gloydius halys. Full crystallographic information is available from OCA.

Reference

Purification, partial characterization, crystallization and structural determination of AHP-LAAO, a novel L-amino-acid oxidase with cell apoptosis-inducing activity from Agkistrodon halys pallas venom., Zhang H, Teng M, Niu L, Wang Y, Wang Y, Liu Q, Huang Q, Hao Q, Dong Y, Liu P, Acta Crystallogr D Biol Crystallogr. 2004 May;60(Pt 5):974-7. Epub 2004, Apr 21. PMID:15103157

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