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'''Crystal structure of Nitrile hydratase from a thermophile Bacillus smithii''' | '''Crystal structure of Nitrile hydratase from a thermophile Bacillus smithii''' | ||
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==About this Structure== | ==About this Structure== | ||
Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1V29 OCA]. | |||
==Reference== | ==Reference== | ||
Crystal structure of nitrile hydratase from a thermophilic Bacillus smithii., Hourai S, Miki M, Takashima Y, Mitsuda S, Yanagi K, Biochem Biophys Res Commun. 2003 Dec 12;312(2):340-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14637142 14637142] | Crystal structure of nitrile hydratase from a thermophilic Bacillus smithii., Hourai S, Miki M, Takashima Y, Mitsuda S, Yanagi K, Biochem Biophys Res Commun. 2003 Dec 12;312(2):340-5. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14637142 14637142] | ||
[[Category: Nitrile hydratase]] | [[Category: Nitrile hydratase]] | ||
[[Category: Hourai, S.]] | [[Category: Hourai, S.]] | ||
[[Category: Miki, M.]] | [[Category: Miki, M.]] | ||
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[[Category: Takashima, Y.]] | [[Category: Takashima, Y.]] | ||
[[Category: Yanagi, K.]] | [[Category: Yanagi, K.]] | ||
[[Category: | [[Category: Bacillus smithii]] | ||
[[Category: | [[Category: Nhase]] | ||
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | |||
Revision as of 11:59, 3 May 2008
Crystal structure of Nitrile hydratase from a thermophile Bacillus smithii
OverviewOverview
The crystal structure of the nitrile hydratase (NHase) from Bacillus smithii SC-J05-1 was determined. Our analysis of the structure shows that some residues that seem to be responsible for substrate recognition are different from those of other NHases. In particular, the Phe52 in the beta subunit of NHase from B. smithii covers the metal center partially like a small lid and narrows the active site cleft. It is well known that the NHase from B. smithii especially prefers aliphatic nitriles for its substrate rather than aromatic ones, and we can now infer that the Phe52 residue may play a key role in the substrate specificity for this enzyme. This finding leads us to suggest that substitution of these residues may alter the substrate specificity of the enzyme.
About this StructureAbout this Structure
Full crystallographic information is available from OCA.
ReferenceReference
Crystal structure of nitrile hydratase from a thermophilic Bacillus smithii., Hourai S, Miki M, Takashima Y, Mitsuda S, Yanagi K, Biochem Biophys Res Commun. 2003 Dec 12;312(2):340-5. PMID:14637142 Page seeded by OCA on Sat May 3 11:59:13 2008