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Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis

The enzyme 3-hydroxy-3-methylglutaryl-CoA reductase (mevalonate:NADP+ oxidoreductase (CoA-acylating), EC 1.1.1.34) from the latex of regularly tapped trees of Hevea brasiliensis is membrane-bound. The effect of temperature on this enzyme was studied over the range of 8-40°C and the Arrhenius plot of...

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Main Author: Sipat, Abdullah B.
Format: Article
Language:English
Published: Elsevier BV 1982
Online Access:http://psasir.upm.edu.my/id/eprint/115121/1/115121.pdf
http://psasir.upm.edu.my/id/eprint/115121/
https://linkinghub.elsevier.com/retrieve/pii/016748388290190X
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spelling my.upm.eprints.1151212025-02-21T02:50:25Z http://psasir.upm.edu.my/id/eprint/115121/ Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis Sipat, Abdullah B. The enzyme 3-hydroxy-3-methylglutaryl-CoA reductase (mevalonate:NADP+ oxidoreductase (CoA-acylating), EC 1.1.1.34) from the latex of regularly tapped trees of Hevea brasiliensis is membrane-bound. The effect of temperature on this enzyme was studied over the range of 8-40°C and the Arrhenius plot of activity showed a discontinuity at 14°C with an activation energy of 55.6 kJ/mol (13.3 kcal/mol) and 2.5 kJ/mol (0.6 kcal/mol) respectively above and below this temperature break. The result obtained is consistent with the known lack of fluidity of the membranes of the particles which the enzyme is associated with in the latex. Elsevier BV 1982 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/115121/1/115121.pdf Sipat, Abdullah B. (1982) Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 705 (2). pp. 284-287. ISSN 0167-4838 https://linkinghub.elsevier.com/retrieve/pii/016748388290190X 10.1016/0167-4838(82)90190-X
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description The enzyme 3-hydroxy-3-methylglutaryl-CoA reductase (mevalonate:NADP+ oxidoreductase (CoA-acylating), EC 1.1.1.34) from the latex of regularly tapped trees of Hevea brasiliensis is membrane-bound. The effect of temperature on this enzyme was studied over the range of 8-40°C and the Arrhenius plot of activity showed a discontinuity at 14°C with an activation energy of 55.6 kJ/mol (13.3 kcal/mol) and 2.5 kJ/mol (0.6 kcal/mol) respectively above and below this temperature break. The result obtained is consistent with the known lack of fluidity of the membranes of the particles which the enzyme is associated with in the latex.
format Article
author Sipat, Abdullah B.
spellingShingle Sipat, Abdullah B.
Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
author_facet Sipat, Abdullah B.
author_sort Sipat, Abdullah B.
title Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
title_short Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
title_full Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
title_fullStr Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
title_full_unstemmed Arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
title_sort arrhenius plot characteristics of membrane-bound 3-hydroxy-3-methylglutaryl coenzyme a reductase from the latex of hevea brasiliensis
publisher Elsevier BV
publishDate 1982
url http://psasir.upm.edu.my/id/eprint/115121/1/115121.pdf
http://psasir.upm.edu.my/id/eprint/115121/
https://linkinghub.elsevier.com/retrieve/pii/016748388290190X
_version_ 1825162436275077120
score 13.244413

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