David M. Chipman

1971-2016 Life Sciences Ben Gurion University of the Negev 
Branched chain amino acid synthesis, biophysics
"David Chipman"
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Belenky I, Steinmetz A, Vyazmensky M, et al. (2012) Many of the functional differences between acetohydroxyacid synthase (AHAS) isozyme I and other AHASs are a result of the rapid formation and breakdown of the covalent acetolactate-thiamin diphosphate adduct in AHAS I. The Febs Journal. 279: 1967-79
Barak Z, Chipman DM. (2012) Allosteric regulation in Acetohydroxyacid Synthases (AHASs)--different structures and kinetic behavior in isozymes in the same organisms. Archives of Biochemistry and Biophysics. 519: 167-74
Vyazmensky M, Steinmetz A, Meyer D, et al. (2011) Significant catalytic roles for Glu47 and Gln 110 in all four of the C-C bond-making and -breaking steps of the reactions of acetohydroxyacid synthase II. Biochemistry. 50: 3250-60
Slutzker A, Vyazmensky M, Chipman DM, et al. (2011) Role of the C-terminal domain of the regulatory subunit of AHAS isozyme III: use of random mutagenesis with in vivo reconstitution (REM-ivrs). Biochimica Et Biophysica Acta. 1814: 449-55
Vyazmensky M, Zherdev Y, Slutzker A, et al. (2009) Interactions between large and small subunits of different acetohydroxyacid synthase isozymes of Escherichia coli. Biochemistry. 48: 8731-7
Shulman A, Zalyapin E, Vyazmensky M, et al. (2008) Allosteric regulation of Bacillus subtilis threonine deaminase, a biosynthetic threonine deaminase with a single regulatory domain. Biochemistry. 47: 11783-92
Kaplun A, Binshtein E, Vyazmensky M, et al. (2008) Glyoxylate carboligase lacks the canonical active site glutamate of thiamine-dependent enzymes. Nature Chemical Biology. 4: 113-8
Kaplun A, Vyazmensky M, Zherdev Y, et al. (2006) Structure of the regulatory subunit of acetohydroxyacid synthase isozyme III from Escherichia coli. Journal of Molecular Biology. 357: 951-63
Vinogradov V, Vyazmensky M, Engel S, et al. (2006) Acetohydroxyacid synthase isozyme I from Escherichia coli has unique catalytic and regulatory properties. Biochimica Et Biophysica Acta. 1760: 356-63
Vinogradov M, Kaplun A, Vyazmensky M, et al. (2005) Monitoring the acetohydroxy acid synthase reaction and related carboligations by circular dichroism spectroscopy. Analytical Biochemistry. 342: 126-33
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