1qdm: Difference between revisions

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{{STRUCTURE_1qdm|  PDB=1qdm  |  SCENE=  }}  
{{STRUCTURE_1qdm|  PDB=1qdm  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF PROPHYTEPSIN, A ZYMOGEN OF A BARLEY VACUOLAR ASPARTIC PROTEINASE.'''
===CRYSTAL STRUCTURE OF PROPHYTEPSIN, A ZYMOGEN OF A BARLEY VACUOLAR ASPARTIC PROTEINASE.===




==Overview==
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We determined at 2.3 A resolution the crystal structure of prophytepsin, a zymogen of a barley vacuolar aspartic proteinase. In addition to the classical pepsin-like bilobal main body of phytepsin, we also traced most of the propeptide, as well as an independent plant-specific domain, never before described in structural terms. The structure revealed that, in addition to the propeptide, 13 N-terminal residues of the mature phytepsin are essential for inactivation of the enzyme. Comparison of the plant-specific domain with NK-lysin indicates that these two saposin-like structures are closely related, suggesting that all saposins and saposin-like domains share a common topology. Structural analysis of prophytepsin led to the identification of a putative membrane receptor-binding site involved in Golgi-mediated transport to vacuoles.
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{{ABSTRACT_PUBMED_10406799}}


==About this Structure==
==About this Structure==
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[[Category: Saposin-like domain]]
[[Category: Saposin-like domain]]
[[Category: Zymogen structure]]
[[Category: Zymogen structure]]
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Revision as of 03:27, 29 July 2008

File:1qdm.png

Template:STRUCTURE 1qdm

CRYSTAL STRUCTURE OF PROPHYTEPSIN, A ZYMOGEN OF A BARLEY VACUOLAR ASPARTIC PROTEINASE.CRYSTAL STRUCTURE OF PROPHYTEPSIN, A ZYMOGEN OF A BARLEY VACUOLAR ASPARTIC PROTEINASE.

Template:ABSTRACT PUBMED 10406799

About this StructureAbout this Structure

1QDM is a Single protein structure of sequence from Hordeum vulgare. Full crystallographic information is available from OCA.

ReferenceReference

Crystal structure of plant aspartic proteinase prophytepsin: inactivation and vacuolar targeting., Kervinen J, Tobin GJ, Costa J, Waugh DS, Wlodawer A, Zdanov A, EMBO J. 1999 Jul 15;18(14):3947-55. PMID:10406799

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