Study of Structure of RecA-DNA complexes by Linear dichroism (LD) (CAT#: STEM-ST-0135-WXH)

Introduction

RecA is a 38 kilodalton protein essential for the repair and maintenance of DNA. A RecA structural and functional homolog has been found in every species in which one has been seriously sought and serves as an archetype for this class of homologous DNA repair proteins.

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Principle Applications Procedure Materials Notes Related Products

Principle

Linear dichroism (LD) or diattenuation is the difference between absorption of light polarized parallel and polarized perpendicular to an orientation axis. It is the property of a material whose transmittance depends on the orientation of linearly polarized light incident upon it. LD measurements are based on the interaction between matter and light and thus are a form of electromagnetic spectroscopy.

Applications

Study the functionality and structure of molecules.

Materials

• Polarizer
• Absorbance spectrometer

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