Adenosine 5′-monophosphate Agarose (5′-AMP agarose) has been used in affinity chromatography to isolate β and gamma glutamate decarboxylase, which is important for controlling gamma-aminobutyric acid (GABA) synthesis in brain.
Caffeine synthase (CS), the S-adenosylmethionine-dependent N-methyltransferase involved in the last two steps of caffeine biosynthesis, was extracted from young tea (Camellia sinensis) leaves; the CS was purified 520-fold to apparent homogeneity and a final specific activity of 5.7 nkat mg-1
Journal of neurochemistry, 55(2), 524-532 (1990-08-01)
A major regulatory feature of brain glutamate decarboxylase (GAD) is a cyclic reaction that controls the relative amounts of holoenzyme and apoenzyme [active and inactive GAD with and without bound pyridoxal 5'-phosphate (pyridoxal-P, the cofactor), respectively]. Previous studies have indicated
Journal of neurochemistry, 42(6), 1607-1612 (1984-06-01)
The interactions of two forms of porcine brain glutamate decarboxylase (beta-GAD and gamma-GAD) with the effector ATP were studied by affinity chromatography. A third form, alpha-GAD, was only slightly retarded by the affinity matrix and was eluted in the buffer
European journal of biochemistry, 241(1), 155-161 (1996-10-01)
We describe the purification of a H2O-producing NADH oxidase from the protozoan parasite Giardia duodenalis. The enzyme is a monomeric flavoprotein containing flavin adenine dinucleotide in a 1:1 molar ratio with the polypeptide. The NADH oxidase has an apparent molecular
The mosquito homolog of mammalian DNA polymerase epsilon, formerly known as a proliferating cell nuclear antigen (PCNA)-independent form of DNA polymerase delta, has been purified from mosquito larval extracts. The polymerase epsilon was separated from DNA polymerase alpha by chromatography
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