Refolding of chicken cystatin and human stefin A studied by fast protein liquid chromatography (FPLC). 1990

E Zerovnik, and J Kos, and B Lenarcic, and V Turk
Dept. Biochemistry, J. Stefan Institute, Ljubljana.

Denaturant gradient gel-chromatography [Endo, S. et al. (1983) Anal. Biochem. 131, 108-120] has been used to follow renaturation of chicken cystatin and human stefin A. Slow gradient of GuHCl was applied to the size-exclusion Superose 12 column. The column was maintained at 5 degrees C by circulating water from a cryostate. When the denatured protein has been injected it started to refold on the column. By the simplified equation, according to [Hanai, R. et al. (1986) Biophys. Chem. 25, 27-36] approximate kinetics of folding was obtained. No intermediate species in folding could be detected from 6M to 2M GuHCl, only the close-to-denatured state and the close-to-native state.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
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
D011489 Protein Denaturation Disruption of the non-covalent bonds and/or disulfide bonds responsible for maintaining the three-dimensional shape and activity of the native protein. Denaturation, Protein,Denaturations, Protein,Protein Denaturations
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D002850 Chromatography, Gel Chromatography on non-ionic gels without regard to the mechanism of solute discrimination. Chromatography, Exclusion,Chromatography, Gel Permeation,Chromatography, Molecular Sieve,Gel Filtration,Gel Filtration Chromatography,Chromatography, Size Exclusion,Exclusion Chromatography,Gel Chromatography,Gel Permeation Chromatography,Molecular Sieve Chromatography,Chromatography, Gel Filtration,Exclusion Chromatography, Size,Filtration Chromatography, Gel,Filtration, Gel,Sieve Chromatography, Molecular,Size Exclusion Chromatography
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
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
D015891 Cystatins A homologous group of endogenous CYSTEINE PROTEINASE INHIBITORS. The cystatins inhibit most CYSTEINE ENDOPEPTIDASES such as PAPAIN, and other peptidases which have a sulfhydryl group at the active site. Cystatin,Cystatin Superfamily,Stefin,Cystatin-Related Proteins,Stefins,Type 1 Cystatins,Type 2 Cystatins,Type 3 Cystatins,Type I Cystatins,Type II Cystatins,Type III Cystatins,Cystatin Related Proteins,Cystatins, Type 1,Cystatins, Type 2,Cystatins, Type 3,Cystatins, Type I,Cystatins, Type II,Cystatins, Type III

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