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Crystallization and preliminary X-ray diffraction data for the carboxylesterase Est30 from Bacillus stearothermophilus. 2003

Ping Liu, and Yuan-Fang Wang, and Hosam E Ewis, and Ahmed Abdelal, and Chung Dar Lu, and Irene T Weber
Biology Department, Georgia State University, Atlanta, GA, USA.

Crystals have been grown of the carboxylesterase Est30 from Bacillus stearothermophilus by hanging-drop vapor diffusion using ammonium sulfate as precipitant. The crystals diffracted to better than 2.0 A resolution. X-ray diffraction data were reduced in space group C222(1), with unit-cell parameters a = 55.83, b = 58.15, c = 179.65 A. R(merge) was 0.038 for 17 449 independent reflections with a completeness of 85.1%. V(M) was calculated to be 2.43 A(3) Da(-1), which suggested that there was one molecule of Est30 in the asymmetric unit. These crystals are suitable for structure determination.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D003460 Crystallization The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Crystalline Polymorphs,Polymorphism, Crystallization,Crystal Growth,Polymorphic Crystals,Crystal, Polymorphic,Crystalline Polymorph,Crystallization Polymorphism,Crystallization Polymorphisms,Crystals, Polymorphic,Growth, Crystal,Polymorph, Crystalline,Polymorphic Crystal,Polymorphisms, Crystallization,Polymorphs, Crystalline
D000645 Ammonium Sulfate Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins. Sulfate, Ammonium
D001411 Geobacillus stearothermophilus A species of GRAM-POSITIVE ENDOSPORE-FORMING BACTERIA in the family BACILLACEAE, found in soil, hot springs, Arctic waters, ocean sediments, and spoiled food products. Bacillus stearothermophilus,Bacillus thermoliquefaciens
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures
D014961 X-Ray Diffraction The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Xray Diffraction,Diffraction, X-Ray,Diffraction, Xray,Diffractions, X-Ray,Diffractions, Xray,X Ray Diffraction,X-Ray Diffractions,Xray Diffractions
D043182 Carboxylesterase Carboxylesterase is a serine-dependent esterase with wide substrate specificity. The enzyme is involved in the detoxification of XENOBIOTICS and the activation of ester and of amide PRODRUGS. Ali-esterase,B-esterase,CAP-hydrolyzing Enzyme,Capsaicin-Hydrolyzing Enzyme,Carboxyesterase,Carboxylate Esterase,Carboxylester Lipase,Carboxylesterase B,Carboxylic Ester Hydrolase,Esterase 10,Esterase 13,Esterase 3,Esterase 6A,Esterase 8,Esterase ES-1A,Hydrolase S,Isocarboxazid amidase,Naproxen Esterase,Non-specific Carboxylesterase,Non-specific Esterase,Nonspecific Esterase,Procaine Esterase,Ali esterase,B esterase,CAP hydrolyzing Enzyme,Capsaicin Hydrolyzing Enzyme,Carboxylesterase, Non-specific,ES-1A, Esterase,Enzyme, CAP-hydrolyzing,Enzyme, Capsaicin-Hydrolyzing,Ester Hydrolase, Carboxylic,Esterase ES 1A,Esterase, Carboxylate,Esterase, Naproxen,Esterase, Non-specific,Esterase, Nonspecific,Esterase, Procaine,Hydrolase, Carboxylic Ester,Lipase, Carboxylester,Non specific Carboxylesterase,Non specific Esterase,amidase, Isocarboxazid

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