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Crystallization and preliminary X-ray diffraction studies of perchloric acid soluble protein (PSP) from rat liver. 1999

K Djinović Carugo, and M Saraste, and T Oka
European Molecular Biology Laboratory, Meyerhofstrasse 1, D-69012 Heidelberg, Germany. djinovic@embl-heidelberg.de

Perchloric acid soluble protein purified from the cytosol fraction of rat liver has been crystallized in a form suitable for high-resolution X-ray diffraction studies. Octahedral crystals reaching 0.5 mm in cross-sectional diameter were produced by the hanging-drop method using polyethylene glycol (Mr = 8 kDa) as precipitant. These crystals diffract to 2.44 A on an in-house X-ray source and to 1.8 A using a bending-magnet beamline at ESRF Grenoble. The crystals belong to the cubic space group P213 with a = 89.90 A and two molecules per asymmetric unit, as indicated from a Vm value of 2.12 A3 Da-1 and self-rotation function computation. Screening for heavy-atom derivatives identified a platinum compound and xenon that bind to the protein.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
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
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
D006360 Heat-Shock Proteins Proteins which are synthesized in eukaryotic organisms and bacteria in response to hyperthermia and other environmental stresses. They increase thermal tolerance and perform functions essential to cell survival under these conditions. Stress Protein,Stress Proteins,Heat-Shock Protein,Heat Shock Protein,Heat Shock Proteins,Protein, Stress
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012260 Ribonucleases Enzymes that catalyze the hydrolysis of ester bonds within RNA. EC 3.1.-. Nucleases, RNA,RNase,Acid Ribonuclease,Alkaline Ribonuclease,Ribonuclease,RNA Nucleases,Ribonuclease, Acid,Ribonuclease, Alkaline
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
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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