Nomenclature for N-acetyltransferases

KP Vatsis, WW Weber, DA Bell, JM Dupret… - Pharmacogenetics …, 1995 - journals.lww.com
A consolidated classification system is described for prokaryotic and eukaryotic N-acetyltransferases
in accordance with the international rules for gene nomenclature. The root symbol (…

Diverse point mutations in the human gene for polymorphic N-acetyltransferase.

KP Vatsis, KJ Martell… - Proceedings of the …, 1991 - National Acad Sciences
Classification of humans as rapid or slow acetylators is based on hereditary differences in
rates of N-acetylation of therapeutic and carcinogenic agents, but N-acetylation of certain …

Structure of the gene for human butyrylcholinesterase. Evidence for a single copy

M Arpagaus, M Kott, KP Vatsis, CF Bartels… - Biochemistry, 1990 - ACS Publications
Vatsis, Cynthia F. Bartels, Bert N. La Du, and Oksana Lockridge* …

Structural heterogeneity of Caucasian N-acetyltransferase at the NAT1 gene locus

KP Vatsis, WW Weber - Archives of biochemistry and biophysics, 1993 - Elsevier
The human N-acetylation polymorphism is a genetic trait phenotypically reflected by differences
in N-acetyltransferase (NAT) activity with therapeutic agents (rapid and slow acetylation)…

Hydroxylation by the hydroperoxy-iron species in cytochrome P450 enzymes

REP Chandrasena, KP Vatsis, MJ Coon… - Journal of the …, 2004 - ACS Publications
Intramolecular and intermolecular kinetic isotope effects (KIEs) were determined for
hydroxylation of the enantiomers of trans-2-(p-trifluoromethylphenyl)cyclopropylmethane (1) by …

Replacement of active-site cysteine-436 by serine converts cytochrome P450 2B4 into an NADPH oxidase with negligible monooxygenase activity

KP Vatsis, HM Peng, MJ Coon - Journal of inorganic biochemistry, 2002 - Elsevier
The function of the unique axial thiolate ligand of cytochrome P450 has been investigated
by mutagenesis of the active-site cysteine with other amino acids in NH 2 -truncated P450s …

Ipso-substitution by cytochrome P450 with conversion of p-hydroxybenzene derivatives to hydroquinone: evidence for hydroperoxo-iron as the active oxygen species

KP Vatsis, MJ Coon - Archives of Biochemistry and Biophysics, 2002 - Elsevier
Evidence for multiple functional active oxidants in cytochrome P450-catalyzed reactions was
previously obtained in this laboratory with mutants in which proton delivery was perturbed …

Characterization of Naturally Occurring and Recombinant HumanN-Acetyltransferase Variants Encoded byNAT1

JH de León, KP Vatsis, WW Weber - Molecular Pharmacology, 2000 - ASPET
… Acetylated 4-aminosalicylate was synthesized by one of us (KP Vatsis) with the help of Dr.
Alfin DN Vaz of the Department of Biological Chemistry at this institution, and the purity of the …

Hydroxylation of prostaglandins by inducible isozymes of rabbit liver microsomal cytochrome P-450. Participation of cytochrome b5.

KP Vatsis, AD Theoharides, D Kupfer… - Journal of Biological …, 1982 - Elsevier
The hydroxylation of prostaglandin (PG) E1, PGE2, and PGA1 was investigated in a reconstituted
rabbit liver microsomal enzyme system containing phenobarbital-inducible isozyme 2 …

Individual variability in p-aminobenzoic acid N-acetylation by human N-acetyltransferase (NAT1) of peripheral blood

WW Weber, KP Vatsis - Pharmacogenetics and Genomics, 1993 - journals.lww.com
Individual variability in p-aminobenzoic acid N-acetylation... : Pharmacogenetics and
Genomics Individual variability in p-aminobenzoic acid N-acetylation by human N-acetyltransferase …