1lf6: Difference between revisions

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[[Image:1lf6.gif|left|200px]]
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{{STRUCTURE_1lf6|  PDB=1lf6  |  SCENE=  }}  
{{STRUCTURE_1lf6|  PDB=1lf6  |  SCENE=  }}  


'''CRYSTAL STRUCTURE OF BACTERIAL GLUCOAMYLASE'''
===CRYSTAL STRUCTURE OF BACTERIAL GLUCOAMYLASE===




==Overview==
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The first crystal structures of a two-domain, prokaryotic glucoamylase were determined to high resolution from the clostridial species Thermoanaerobacterium thermosaccharolyticum with and without acarbose. The N-terminal domain has 18 antiparallel strands arranged in beta-sheets of a super-beta-sandwich. The C-terminal domain is an (alpha/alpha)(6) barrel, lacking the peripheral subdomain of eukaryotic glucoamylases. Interdomain contacts are common to all prokaryotic Family GH15 proteins. Domains similar to those of prokaryotic glucoamylases in maltose phosphorylases (Family GH65) and glycoaminoglycan lyases (Family PL8) suggest evolution from a common ancestor. Eukaryotic glucoamylases may have evolved from prokaryotic glucoamylases by the substitution of the N-terminal domain with the peripheral subdomain and by the addition of a starch-binding domain.
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==About this Structure==
==About this Structure==
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[[Category: Carbohydrase family gh15]]
[[Category: Carbohydrase family gh15]]
[[Category: Super beta sandwich]]
[[Category: Super beta sandwich]]
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Revision as of 18:05, 2 July 2008

File:1lf6.png

Template:STRUCTURE 1lf6

CRYSTAL STRUCTURE OF BACTERIAL GLUCOAMYLASECRYSTAL STRUCTURE OF BACTERIAL GLUCOAMYLASE

Template:ABSTRACT PUBMED 12614608

About this StructureAbout this Structure

1LF6 is a Single protein structure of sequence from Thermoanaerobacterium thermosaccharolyticum. Full crystallographic information is available from OCA.

ReferenceReference

Crystal structure and evolution of a prokaryotic glucoamylase., Aleshin AE, Feng PH, Honzatko RB, Reilly PJ, J Mol Biol. 2003 Mar 14;327(1):61-73. PMID:12614608

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