1st8: Difference between revisions

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[[Image:1st8.gif|left|200px]]
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{{STRUCTURE_1st8|  PDB=1st8  |  SCENE=  }}  
{{STRUCTURE_1st8|  PDB=1st8  |  SCENE=  }}  


'''Crystal structure of fructan 1-exohydrolase IIa from Cichorium intybus'''
===Crystal structure of fructan 1-exohydrolase IIa from Cichorium intybus===




==Overview==
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Fructan 1-exohydrolase, an enzyme involved in fructan degradation, belongs to the glycosyl hydrolase family 32. The structure of isoenzyme 1-FEH IIa from Cichorium intybus is described at a resolution of 2.35 A. The structure consists of an N-terminal fivefold beta-propeller domain connected to two C-terminal beta-sheets. The putative active site is located entirely in the beta-propeller domain and is formed by amino acids which are highly conserved within glycosyl hydrolase family 32. The fructan-binding site is thought to be in the cleft formed between the two domains. The 1-FEH IIa structure is compared with the structures of two homologous but functionally different enzymes: a levansucrase from Bacillus subtilis (glycosyl hydrolase family 68) and an invertase from Thermotoga maritima (glycosyl hydrolase family 32).
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==About this Structure==
==About this Structure==
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[[Category: Verhaest, M.]]
[[Category: Verhaest, M.]]
[[Category: Five fold beta propeller]]
[[Category: Five fold beta propeller]]
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