1rxq
From Proteopedia
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[[Image:1rxq.gif|left|200px]] | [[Image:1rxq.gif|left|200px]] | ||
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'''YfiT from Bacillus subtilis is a probable metal-dependent hydrolase with an unusual four-helix bundle topology''' | '''YfiT from Bacillus subtilis is a probable metal-dependent hydrolase with an unusual four-helix bundle topology''' | ||
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[[Category: Rajan, S S.]] | [[Category: Rajan, S S.]] | ||
[[Category: Yang, X.]] | [[Category: Yang, X.]] | ||
- | [[Category: | + | [[Category: Helix-bundle]] |
- | [[Category: | + | [[Category: Hydrolase]] |
- | [[Category: | + | [[Category: Mcsg]] |
- | [[Category: | + | [[Category: Midwest center for structural genomic]] |
- | [[Category: | + | [[Category: Nickel-binding]] |
- | [[Category: | + | [[Category: Protein structure initiative]] |
- | [[Category: | + | [[Category: Psi]] |
- | [[Category: | + | [[Category: Structural genomic]] |
- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:02:00 2008'' | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 05:02, 3 May 2008
YfiT from Bacillus subtilis is a probable metal-dependent hydrolase with an unusual four-helix bundle topology
Overview
YfiT, a 19-kDa polypeptide from Bacillus subtilis, belongs to a small sequence family with members predominantly from Gram positive bacteria. We have determined the crystal structure of YfiT in complex with Ni(2+) to a resolution of 1.7 A. YfiT exists as a dimer and binds Ni(2+) in a 1:1 stoichiometry. The protein has an unusual four-helix bundle topology and coordinates Ni(2+) in an octahedral geometry with three conserved histidines and three waters. Although there is no similarity in their overall structures, the coordination geometry of the metal and the residues that constitute the putative active site in YfiT are similar to those of metalloproteases such as thermolysin. Our structural analyses suggest that YfiT might function as a metal-dependent hydrolase.
About this Structure
1RXQ is a Single protein structure of sequence from Bacillus subtilis. Full crystallographic information is available from OCA.
Reference
YfiT from Bacillus subtilis is a probable metal-dependent hydrolase with an unusual four-helix bundle topology., Rajan SS, Yang X, Shuvalova L, Collart F, Anderson WF, Biochemistry. 2004 Dec 14;43(49):15472-9. PMID:15581359 Page seeded by OCA on Sat May 3 08:02:00 2008