Interaction of rose bengal with mung bean aspartate transcarbamylase

Interaction of aspartate transcarbamylase with regulatory nucleotides.

Interaction of tetraiodofluorescein with a modified form of aspartate transcarbamylase.

Low concentrations of the dye tetraiodofluorescein activate native aspartate transcarbamylase (aspartate carbomoyltransferase, carbomoylphosphate:L-aspartate carbomoyltransferase, EC 2.1.3.2), while high concentrations inhibit the enzyme's activity [Jacobsberg, L. B., Kantrowitz, E. R. & Lipscomb, W. N. (1975) J. Biol. Chem. 250, 9238-9249]. This dye is now shown to produce similar effects upon...

Aspartate Transcarbamylase from Leishmania donovani

Leishmania donovani is a protozoal pathogen that belongs to the kinetoplastida order. Unlike in other eucaryotic systems, the first three enzymes of the de novo pyrimidine biosynthetic pathway are not components of a multifunctional protein system. The three enzyme activities in the crude extract were separated on a Sephacryl S-200 column. Aspartate carbamoyltransferase (EC 2.1.3.2) has been pu...

Mung Bean (Vigna radiata) Seedlings'

Two forms of Fd-NADP+ oxidoreductase (FNR) isoproteins have been purified and characterized from the first foliage leaves of 5d-old mung bean (Vigna radiata). They could be separated by either Mono Q HR 515 or ferredoxin (Fd)-Sepharose 48 affinity columns. Based on immunoblot analysis and N-terminal amino acid sequences, one form resembles the FNR purified from photosynthetic tissues of higher ...

Renal excretion of radioiodinated rose bengal--a pitfall in the interpretation of rose bengal abdominal scans.

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