Expression, purification, crystallization and preliminary X-ray analysis of the polysaccharide lyase RB5312 from the marine planctomycete Rhodopirellula baltica
Journal Article
·
· Acta Crystallographica. Section F
- UPMC University Paris 06, UMR 7139, Marine Plants and Biomolecules, Station Biologique de Roscoff, F-29682 Roscoff, Bretagne (France)
This study describes the crystallization and preliminary X-ray analysis of the family PL1 polysaccharide lyase RB5312 from the marine bacterium R. baltica. Purified recombinant protein was crystallized; the crystals belonged to space group P2{sub 1}2{sub 1}2{sub 1} and diffracted X-rays to a resolution of 1.8 Å. Polysaccharide lyases belonging to family PL1 act on pectins. These anionic polymers are usually produced by terrestrial plants and therefore pectinolytic enzymes are not frequently observed in marine microorganisms. The protein RB5312 from the marine bacterium Rhodopirellula baltica is distantly related to family PL1 pectate lyases, but its exact function is unclear. In this study, the expression and purification of a recombinant form of RB5312 are described. This protein was crystallized using the hanging-drop vapour-diffusion method. The crystals belongs to space group P2{sub 1}2{sub 1}2{sub 1}, with unit-cell parameters a = 39.05, b = 144.05, c = 153.97 Å, α = β = γ = 90°. A complete data set was collected to 1.8 Å resolution from a native crystal.
- OSTI ID:
- 22360472
- Journal Information:
- Acta Crystallographica. Section F, Journal Name: Acta Crystallographica. Section F Journal Issue: Pt 3 Vol. 64; ISSN ACSFCL; ISSN 1744-3091
- Country of Publication:
- United Kingdom
- Language:
- English
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