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Crystallization and preliminary X-ray analysis of the ligand-binding domain of cAMP receptor protein. 2010

Wenbing Tao, and Feng Li, and Haiping Liu, and Xiangyu Bao, and Weimin Gong, and Shaoning Yu
Department of Chemistry and Institute of Biomedical Science, Fudan University, Shanghai 200433, People's Republic of China.

The cyclic AMP receptor protein (CRP) from Escherichia coli regulates the expression of a large number of genes. In this work, CRP has been overexpressed, purified and digested by subtilisin and chymotrypsin. The fragments S-CRP (digested by subtilisin) and CH-CRP (digested by chymotrypsin) have been purified and crystallized. Crystals of S-CRP diffracted to 2.0 A resolution and belonged to space group P2(1), with unit-cell parameters a = 59.7, b = 75.1, c = 128.3 A, beta = 91.5 degrees . Crystals of CH-CRP diffracted to 2.8 A resolution and belonged to space group P222, with unit-cell parameters a = 45.8, b = 60.9, c = 205.6 A.

UI MeSH Term Description Entries
D008024 Ligands A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed) Ligand
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D002373 Cyclic AMP Receptor Protein A transcriptional regulator in prokaryotes which, when activated by binding cyclic AMP, acts at several promoters. Cyclic AMP receptor protein was originally identified as a catabolite gene activator protein. It was subsequently shown to regulate several functions unrelated to catabolism, and to be both a negative and a positive regulator of transcription. Cell surface cyclic AMP receptors are not included (CYCLIC AMP RECEPTORS), nor are the eukaryotic cytoplasmic cyclic AMP receptor proteins, which are the regulatory subunits of CYCLIC AMP-DEPENDENT PROTEIN KINASES. Catabolic Gene Activators,Catabolite Activator Protein,Catabolite Gene Activator Protein,Catabolite Gene Activator Proteins,Activator Protein, Catabolite,Activator Proteins, Catabolite,Activator, Catabolic Gene,Activators, Catabolic Gene,Catabolic Gene Activator,Catabolite Activator Proteins,Catabolite Regulator Protein,Catabolite Regulator Proteins,Cyclic AMP Receptor Proteins,Gene Activator, Catabolic,Gene Activators, Catabolic,Protein, Catabolite Activator,Protein, Catabolite Regulator,Proteins, Catabolite Activator,Proteins, Catabolite Regulator,Regulator Protein, Catabolite,Regulator Proteins, Catabolite,cAMP Receptor Protein,cAMP Receptor Proteins,Protein, cAMP Receptor,Proteins, cAMP Receptor,Receptor Protein, cAMP,Receptor Proteins, cAMP
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
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D054730 Protein Interaction Domains and Motifs Protein modules with conserved ligand-binding surfaces which mediate specific interaction functions in SIGNAL TRANSDUCTION PATHWAYS and the specific BINDING SITES of their cognate protein LIGANDS. Protein Interaction Domains,Protein Interaction Motifs,Binding Motifs, Protein Interaction,Protein Interaction Binding Motifs,Protein-Protein Interaction Domains,Domain, Protein Interaction,Domain, Protein-Protein Interaction,Domains, Protein Interaction,Domains, Protein-Protein Interaction,Motif, Protein Interaction,Motifs, Protein Interaction,Protein Interaction Domain,Protein Interaction Motif,Protein Protein Interaction Domains,Protein-Protein Interaction Domain
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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