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A preliminary X-ray study of 3-deoxy-D-manno-oct-2-ulosonic acid 8-phosphate phosphatase (YrbI) from Burkholderia pseudomallei.


ABSTRACT: 3-Deoxy-D-manno-oct-2-ulosonic acid 8-phosphate phosphatase (YrbI), the third enzyme in the pathway for the biosynthesis of 3-deoxy-D-manno-oct-2-ulosonic acid (KDO), hydrolyzes KDO 8-phosphate to KDO and inorganic phosphate. YrbI belongs to the haloacid dehalogenase (HAD) superfamily, which is a large family of magnesium-dependent phosphatase/phosphotransferase enzymes. In this study, YrbI from Burkholderia pseudomallei, the causative agent of melioidosis, has been cloned, expressed, purified and crystallized. Synchrotron X-ray data were also collected to 2.25 Å resolution. The crystal belonged to the primitive orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 63.7, b = 97.5, c = 98.0 Å. A full structural determination is in progress to elucidate the structure-function relationship of this protein.

SUBMITTER: Park J 

PROVIDER: S-EPMC4461349 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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A preliminary X-ray study of 3-deoxy-D-manno-oct-2-ulosonic acid 8-phosphate phosphatase (YrbI) from Burkholderia pseudomallei.

Park Jimin J   Lee Daeun D   Kim Mi Sun MS   Kim Dae Yong DY   Shin Dong Hae DH  

Acta crystallographica. Section F, Structural biology communications 20150522 Pt 6


3-Deoxy-D-manno-oct-2-ulosonic acid 8-phosphate phosphatase (YrbI), the third enzyme in the pathway for the biosynthesis of 3-deoxy-D-manno-oct-2-ulosonic acid (KDO), hydrolyzes KDO 8-phosphate to KDO and inorganic phosphate. YrbI belongs to the haloacid dehalogenase (HAD) superfamily, which is a large family of magnesium-dependent phosphatase/phosphotransferase enzymes. In this study, YrbI from Burkholderia pseudomallei, the causative agent of melioidosis, has been cloned, expressed, purified a  ...[more]

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