<Emphasis Type="Italic">Rhodobacter capsulatus</Emphasis> porphobilinogen synthase,a high activity metal ion independent hexamer期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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<Emphasis Type="Italic">Rhodobacter capsulatus</Emphasis> porphobilinogen synthase,a high activity metal ion independent hexamer

Authors:	Email author" target="_blank">David?W?Bollivar Email author Cheryl?Clauson Rachel?Lighthall Siiri?Forbes Bashkim?Kokona Robert?Fairman Lenka?Kundrat Eileen?K?Jaffe

Institution:	(1) Department of Biology, Illinois Wesleyan University, P.O. Box 2900, Bloomington, IL 61702-2900, USA;(2) Biology Department, Haverford College, Haverford, PA 19041, USA;(3) Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA 19111, USA

Abstract:	Background The enzyme porphobilinogen synthase (PBGS), which is central to the biosynthesis of heme, chlorophyll and cobalamins, has long been known to use a variety of metal ions and has recently been shown able to exist in two very different quaternary forms that are related to metal ion usage. This paper reports new information on the metal ion independence and quaternary structure of PBGS from the photosynthetic bacterium Rhodobacter capsulatus.

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