[HTML][HTML] Chemical modification and site-directed mutagenesis of cysteine residues in human placental S-adenosylhomocysteine hydrolase

CS Yuan, DB Ault-Riché, RT Borchardt - Journal of Biological Chemistry, 1996 - ASBMB
Human placental S-adenosylhomocysteine (AdoHcy) hydrolase (EC 3.3.1.1) was inactivated
by 5′,5-dithiobis(2-nitrobenzoic acid) following pseudo-first-order kinetics. Modification of …

Effects of 4'-modified analogs of aristeromycin on the metabolism of S-adenosyl-L-homocysteine in murine L929 cells.

DB Ault-Riche, Y Lee, CS Yuan, M Hasobe… - Molecular …, 1993 - ASPET
(1'R,2'S,3')-9-(2',3'-Dihydroxycyclopentan-1'-yl)adenine (DHCaA), (1'R,2'S,3'R)-9-(2',3'-dihydroxycyclopentan-1'-yl)-3-deazaadenine
(3-deaza-DHCaA), (4'R)-4'-methyl-DHCaA, and (4'R)…

A single mutation at lysine 426 of human placental S-adenosylhomocysteine hydrolase inactivates the enzyme.

DB Ault-Riché, CS Yuan, RT Borchardt - Journal of Biological Chemistry, 1994 - Elsevier
S-Adenosylhomocysteine (AdoHcy) hydrolase catalyzes the conversion of AdoHcy to adenosine
(Ado) and homocysteine (Hcy), as well as the reverse reaction, through a mechanism …

(1′R, 2′S, 3′R)-9-(2′, 3′-Dihydroxycyclopentan-1′-yl)-Adenine and −3-Deaza-Adenine: Analogues of Aristeromycin Which Exhibit Potent Antiviral Activity …

M Hasobe, H Liang, DB Ault-Riche… - Antiviral Chemistry …, 1993 - journals.sagepub.com
Two synthetic analogues of aristeromycin, which were shown in a separate study to be
inhibitors of S-adenosylhomocysteine hydrolase and devoid of substrate activity with adenosine …

Synergistic antiviral activity of inhibitors of S-adenosylhomocysteine hydrolase and ribavirin

…, M Hasobe, JG McKee, DB Ault-Riche… - Antiviral Chemistry …, 1993 - journals.sagepub.com
(1′R,2′S,3′R)-9-(2′,3′-Dihydroxycycloperrt-4′-en-1′-yl)-adenine (DHCeA) and -3-deazaadenine
(3-deaza-DHCeA), which are potent inhibitors of S-adenosylho-mocysteine (…

Inorganic polyphosphate: a molecule of many functions

A Kornberg, NN Rao, D Ault-Riche - Annual review of …, 1999 - annualreviews.org
… at 45 sites in conserved regions results in the loss of all activities in some cases; in some
other cases, one activity is retained more than the other activities (CM Tzeng, D Ault-Riché & A …

Limited proteolysis of S-adenosylhomocysteine hydrolase: implications for the three-dimensional structure

RA Gupta, CS Yuan, DB Aultriche… - Archives of biochemistry …, 1995 - Elsevier
… Results from this study support a previously described model (DB Ault-Riché, CS Yuan, and
RT Borchardt (1994) J. Biol. Chem., 269,31,472-31,478) in which the formation of the active …

Comparative Kinetics of Cofactor Association and Dissociation for the Human and Trypanosomal S-Adenosylhomocysteine Hydrolases. 3. Role of Lysyl and Tyrosyl …

S Cai, J Fang, QS Li, RT Borchardt, K Kuczera… - Biochemistry, 2010 - ACS Publications
… binding affinity but retains the wild type’s tetrameric structure, while the corresponding mutant
of Hs-SAHH (HsK426A) loses both cofactor affinity and tetrameric structure [Ault-Riche, DB

[CITATION][C] The role of S-adenosylhomocysteine hydrolase in the formation of S-adenosylhomocysteine in mouse L929 cells

Y Lee, M Hasobe, DB Ault-Riche, JG McKee… - FASEB J, 1990

[CITATION][C] S-Adenosyl-l-homocysteine hydrolase: investigating the role of structure in catalysis using site-directed mutagenesis

DB Ault-Riché - 1995 - University of Kansas, Biochemistry