2010
DOI: 10.1016/j.abb.2010.08.002
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Catalytic properties and crystal structure of quinoprotein aldose sugar dehydrogenase from hyperthermophilic archaeon Pyrobaculum aerophilum

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Cited by 34 publications
(36 citation statements)
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“…PQQ-dependent quinoproteins are divided into the following two groups based on their structure: those containing an eight-bladed ␤-propeller where each blade consists of a four-stranded antiparallel ␤-sheet (29)(30)(31)(32) and those with a six-bladed ␤-propeller, such as soluble glucose dehydrogenase from A. calcoaceticus and soluble Asd from E. coli and P. aerophilum (27,33,34). Members of these two groups do not have significant primary sequence homology.…”
Section: Discussionmentioning
confidence: 99%
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“…PQQ-dependent quinoproteins are divided into the following two groups based on their structure: those containing an eight-bladed ␤-propeller where each blade consists of a four-stranded antiparallel ␤-sheet (29)(30)(31)(32) and those with a six-bladed ␤-propeller, such as soluble glucose dehydrogenase from A. calcoaceticus and soluble Asd from E. coli and P. aerophilum (27,33,34). Members of these two groups do not have significant primary sequence homology.…”
Section: Discussionmentioning
confidence: 99%
“…The black arrowhead indicates the predicted catalytic histidine residue. Open arrowheads indicate conserved residues involved in PQQ binding in Pa2KGDH and known quinoproteins (27,33,34 For phylogenetic analysis of the bacterial PQQ-dependent enzymes, complete amino acid sequences were initially aligned using MAFFT and then manually edited using SeaView (22). A phylogenetic tree was constructed from this alignment by using the neighbor-joining method (23) in ClustalX software (24), with 1,000 bootstraps.…”
Section: Methodsmentioning
confidence: 99%
“…21 Additionally, this enzyme shows outstanding thermal stability; activity remained almost at the same level even after incubation at 100 C for 10 min. 21 The tPQQ-ASD is one of the most thermostable enzymes among PQQ-GDHs and PQQ-ASDs, which are reported to show high thermal stability.…”
Section: Introductionmentioning
confidence: 99%
“…21 Additionally, this enzyme shows outstanding thermal stability; activity remained almost at the same level even after incubation at 100 C for 10 min. 21 The tPQQ-ASD is one of the most thermostable enzymes among PQQ-GDHs and PQQ-ASDs, which are reported to show high thermal stability. [8][9][10][11] With respect to the practical use of enzyme sensors and biofuel cells one of the most important factors is the stable immobilization of all components related to the electron transfer process, from the substrates to the electrode.…”
Section: Introductionmentioning
confidence: 99%
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