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Organic Chemistry

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Crystallography

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Full-Text Articles in Physical Sciences and Mathematics

Purification And Crystallization Of Cyclin-Dependent Kinase Inhibitor P21., D. Mayrose, Michael Nichols, Y. Xiong, H. Ke Aug 1996

Purification And Crystallization Of Cyclin-Dependent Kinase Inhibitor P21., D. Mayrose, Michael Nichols, Y. Xiong, H. Ke

Michael A Nichols

p21, a universal inhibitor of mammalian cyclin-dependent kinases (CDK), regulates cell cycle progression by forming various distinct protein complexes with cyclins, CDKs, and the proliferating cell nuclear antigen. We have overexpressed recombinant human p21 in E. coli and purified active p21 to near homogeneity on a large scale. Crystals of recombinant p21 have been grown in the space group P2(1) a = 157.4, b = 152.7, c = 90.6 A, and beta = 92.7 degrees. The diffraction data of the recombinant p21 have been collected to 2.5 and 3.5 A resolution for the native crystal and two heavy atom derivatives …


Hexameric Lithium Phenolate: Crystal Structures And Lithium-7 Quadrupole Coupling In Solid And Solution Phases., Lloyd Jackman, Deniz Cizmeciyan, Paul Willard, Michael Nichols Jun 1993

Hexameric Lithium Phenolate: Crystal Structures And Lithium-7 Quadrupole Coupling In Solid And Solution Phases., Lloyd Jackman, Deniz Cizmeciyan, Paul Willard, Michael Nichols

Michael A Nichols

No abstract provided.


Solid-State Structures Of N-Butyllithium-Tmeda, -Thf, And -Dme Complexes., Michael Nichols, Paul Williard Feb 1993

Solid-State Structures Of N-Butyllithium-Tmeda, -Thf, And -Dme Complexes., Michael Nichols, Paul Williard

Michael A Nichols

No abstract provided.