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One-Step Purification of Functional Light-Harvesting 2 Complex from Rhodobacter sphaeroides

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Most common methods for isolation of the light-harvesting 2 (LH2) complex are time-consuming. In our present work, functional LH2 complex was one-step purified from Rhodobacter sphaeroides by immobilized metal-ion affinity chromatography. The purified LH2 complex exhibited high activity in light absorption and energy transfer. Our present work provides an efficient approach for preparation of functional LH2 complex.

Keywords: 10xHis-tag; Light-harvesting 2 complexes; Rhodobacter sphaeroides; light absorption

Document Type: Research Article


Publication date: 2010-04-01

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  • Protein & Peptide Letters publishes short papers in all important aspects of protein and peptide research, including structural studies, recombinant expression, function, synthesis, enzymology, immunology, molecular modeling, drug design etc. Manuscripts must have a significant element of novelty, timeliness and urgency that merit rapid publication. Reports of crystallisation, and preliminary structure determinations of biologically important proteins are acceptable. Purely theoretical papers are also acceptable provided they provide new insight into the principles of protein/peptide structure and function.
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