Kinetic Characterization of CheY Phosphorylation Reactions:  Comparison of P-CheA and Small-Molecule Phosphodonors von Mayover, Todd L, Halkides, Christopher J, Stewart, Richard C

Volltext

Characterization of the Active Site of p21 ras by Electron Spin-Echo Envelope Modulation Spectroscopy with Selective Labeling: Comparisons between GDP and GTP Forms von Halkides, Christopher J, Farrar, Christian T, Larsen, Russell G, Redfield, Alfred G, Singel, David J

Volltext

An NMR comparison of the changes produced by different guanosine 5'-triphosphate analogs in wild-type and oncogenic mutant p21ras von Miller, Anne Frances, Halkides, Christopher J, Redfield, Alfred G

Volltext

Synthesis and properties of 2-acetylthiamin pyrophosphate: an enzymatic reaction intermediate von Gruys, Kenneth J, Halkides, Christopher J, Frey, Perry A

Volltext

The frozen solution structure of p21 ras determined by ESEEM spectroscopy reveals weak coordination of Thr35 to the active site metal ion von Farrar, Christian T, Halkides, Christopher J, Singel, David J

Volltext

Synthesis and Biochemical Characterization of an Analogue of CheY-Phosphate, a Signal Transduction Protein in Bacterial Chemotaxis von Halkides, Christopher J, Zhu, Xiangyang, Phillion, Dennis P, Matsumura, Philip, Dahlquist, Frederick W

Volltext

Interactions of metal ions with .mu.-monothiopyrophosphate von Lightcap, Eric S, Halkides, Christopher J, Frey, Perry A

Volltext

The effects of cryoprotection on the structure and activity of p21 ras: implications for electron spin-echo envelope modulation spectroscopy von Halkides, C J, Farrar, C T, Singel, D J

Volltext

The 1.9 Å Resolution Crystal Structure of Phosphono-CheY, an Analogue of the Active Form of the Response Regulator, CheY von Halkides, Christopher J, McEvoy, Megan M, Casper, Eric, Matsumura, Philip, Volz, Karl, Dahlquist, Frederick W

Volltext

Rapid hydrogen exchange at the acetyl (C2) methyl group of acetylthiamin pyrophosphate von HALKIDES, C. J, FREY, P. A, TOBIN, J. B

Volltext

The mechanism of the hydrolysis of .mu.-monothiopyrophosphate von Halkides, Christopher J, Frey, Perry A

Volltext

Assigning and Using Oxidation Numbers in Biochemistry Lecture Courses von Halkides, Christopher J

Volltext

The substrate reactivity of mu-monothiopyrophosphate with pyrophosphate-dependent phosphofructokinase: evidence for a dissociative transition state in enzymatic phosphoryl group tr... von Halkides, C J, Lightcap, E S, Frey, P A

Volltext

Classroom Demonstration of a Spot Test for Phenylpyruvic Acid and Its Relationship to Phenylketonuria von Halkides, Christopher J, Kestas Benidinskas

Volltext

Structural changes induced in p21Ras upon GAP-334 complexation as probed by ESEEM spectroscopy and molecular-dynamics simulation von Farrar, C T, Ma, J, Singel, D J, Halkides, C J

Volltext

A Low-Barrier Hydrogen Bond in Subtilisin:  1H and 15N NMR Studies with Peptidyl Trifluoromethyl Ketones von Halkides, Christopher J, Wu, Yong Qian, Murray, Christopher J

Volltext

The effect of 17O on the relaxation of an amide proton within a hydrogen bond von Halkides, C J, Redfield, A G

Volltext

On the Possibility of Using UV Spectroscopy as a Measure of the Low-Barrier Hydrogen Bond von Butler, Lloyd A., Miller, Jeffrey E., Halkides, Christopher J., Messina, Michael

Volltext

High frequency (139.5 GHz) electron paramagnetic resonance characterization of Mn(II)-H2(17)O interactions in GDP and GTP forms of p21 ras von Bellew, B F, Halkides, C J, Gerfen, G J, Griffin, R G, Singel, D J

Volltext

High Frequency (139.5 GHz) Electron Paramagnetic Resonance Spectroscopy of the GTP Form of p21 ras with Selective 17O Labeling of Threonine von Halkides, Christopher J, Bellew, Brendan F, Gerfen, Gary J, Farrar, Christian T, Carter, Percy H, Ruo, Bernice, Evans, David A, Griffin, Robert G, Singel, David J

Volltext