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Crystallization and preliminary X-ray crystallographic analysis of human Apaf-1-interacting protein. 2012

Wonchull Kang, and Jin Kuk Yang
Department of Chemistry, College of Natural Sciences, Soongsil University, Seoul 156-743, Republic of Korea.

Apaf-1-interacting protein (APIP) is known to inhibit two different types of cell death: caspase-1-dependent pyroptosis and caspase-9-dependent apoptosis. APIP is also involved in the methionine-salvage pathway, where it is called 5-methylthioribulose-1-phosphate dehydratase (MtnB). The enzyme activity seems to be essential for inhibition of pyroptosis by APIP, but not for inhibition of apoptosis. In this study, human APIP was overproduced in Escherichia coli, purified and crystallized. An X-ray diffraction data set was collected to 2.40 Å resolution and the crystals belonged to space group C222(1), with unit-cell parameters a=106.61, b=107.50, c=189.76 Å. Given that four APIP molecules exist in the asymmetric unit, the Matthews coefficient is 2.70 Å3 Da(-1) and the corresponding solvent content is 54.4%.

UI MeSH Term Description Entries
D008958 Models, Molecular Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures. Molecular Models,Model, Molecular,Molecular Model
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
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D051017 Apoptosis Regulatory Proteins A large group of proteins that control APOPTOSIS. This family of proteins includes many ONCOGENE PROTEINS as well as a wide variety of classes of INTRACELLULAR SIGNALING PEPTIDES AND PROTEINS such as CASPASES. Anti-Apoptotic Protein,Anti-Apoptotic Proteins,Apoptosis Inducing Protein,Apoptosis Inhibiting Protein,Apoptosis Regulatory Protein,Pro-Apoptotic Protein,Pro-Apoptotic Proteins,Programmed Cell Death Protein,Apoptosis Inducing Proteins,Apoptosis Inhibiting Proteins,Death Factors (Apoptosis),Programmed Cell Death Proteins,Survival Factors (Apoptosis),Anti Apoptotic Protein,Anti Apoptotic Proteins,Inducing Protein, Apoptosis,Inducing Proteins, Apoptosis,Inhibiting Protein, Apoptosis,Inhibiting Proteins, Apoptosis,Pro Apoptotic Protein,Pro Apoptotic Proteins,Protein, Anti-Apoptotic,Protein, Apoptosis Inducing,Protein, Apoptosis Inhibiting,Protein, Apoptosis Regulatory,Protein, Pro-Apoptotic,Proteins, Anti-Apoptotic,Proteins, Apoptosis Inducing,Proteins, Apoptosis Inhibiting,Proteins, Pro-Apoptotic,Regulatory Protein, Apoptosis,Regulatory Proteins, Apoptosis
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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