Crystallographic Analysis of Family 11 Endo-[Beta]-1,4-Xylanase Xyl1 from Streptomyces Sp. S38Wouters, J., Georis, J., Engher, D., Vandenhaute, J., Dusart, J., Frere, J.M., Depiereux, E., Charlier, P.
(2001) Acta Crystallogr.,Sect.D 57: 1813
- PubMed: 11717493
- PubMed Abstract:
- Sequence, Overproduction and Purification of the Family 11 Endo-B-1,4-Xylanase Encoded by the Xyl1 Gene of Streptomyces Sp. S38
Georis, J.,Giannotta, F.,Lamotte-Brasseur, J.,Devreese, B.,Van Beeumen, J.,Granier, B.,Frere, J.-M.
(1999) Gene 237: 123
- An Additional Aromatic Interaction Improves the Thermostability and Thermophilicity of a Mesophilic Family 11 Endo-B-1,4-Xylanase: Structural Basis and Molecular Study
Georis, J.,De Lemos Esteves, F.,Lamotte-Brasseur, J.,Bougnet, V.,Devreese, B.,Giannotta, F.,Granier, B.,Frere, J.M.
(2000) Protein Sci. 9: 466
Family 11 endo-beta-1,4-xylanases degrade xylan, the main constituent of plant hemicelluloses, and have many potential uses in biotechnology. The structure of Xyl1, a family 11 endo-xylanase from Streptomyces sp. S38, has been solved. The protein cry ...
Family 11 endo-beta-1,4-xylanases degrade xylan, the main constituent of plant hemicelluloses, and have many potential uses in biotechnology. The structure of Xyl1, a family 11 endo-xylanase from Streptomyces sp. S38, has been solved. The protein crystallized from ammonium sulfate in the trigonal space group P321, with unit-cell parameters a = b = 71.49, c = 130.30 A, gamma = 120.0 degrees. The structure was solved at 2.0 A by X-ray crystallography using the molecular-replacement method and refined to a final R factor of 18.5% (R(free) = 26.9%). Xyl1 has the overall fold characteristic of family 11 xylanases, with two highly twisted beta-sheets defining a long cleft containing the two catalytic residues Glu87 and Glu177.
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