Preliminary crystallographic study of protocatechuate 3,4-dioxygenase from Brevibacterium fuscum. 1994

C A Earhart, and R Radhakrishnan, and A M Orville, and J D Lipscomb, and D H Ohlendorf
Department of Biochemistry, University of Minnesota Medical School, Minneapolis 55455.

The enzyme protocatechuate 3,4-dioxygenase from the Gram positive organism Brevibacterium fuscum crystallizes in the triclinic space group P1 with unit cell dimensions a = 96.1 A, b = 97.2 A, c = 118.1 A and alpha = 113.9 degrees, beta = 90.7 degrees, gamma = 117.8 degrees. The rod-like crystals diffract to 2.4 A resolution. Rotation function analysis suggests that there are six promoters arranged with local 32 symmetry in the asymmetric unit rather than the previously proposed pentameric complex.

UI MeSH Term Description Entries
D011487 Protein Conformation The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain). Conformation, Protein,Conformations, Protein,Protein Conformations
D011520 Protocatechuate-3,4-Dioxygenase An enzyme that catalyzes the oxidation of protocatechuate to 3-carboxy-cis-cis-muconate in the presence of molecular oxygen. It contains ferric ion. EC 1.13.11.3. Protocatechuate 3,4 Dioxygenase
D001951 Brevibacterium A gram-positive organism found in dairy products, fresh and salt water, marine organisms, insects, and decaying organic matter.
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
D018360 Crystallography, X-Ray The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) X-Ray Crystallography,Crystallography, X Ray,Crystallography, Xray,X Ray Crystallography,Xray Crystallography,Crystallographies, X Ray,X Ray Crystallographies

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