A receptor protein for indoleacetic acid from plant chromatin and its role in transcription

Roy, Pranab ; Biswas, B. B. (1977) A receptor protein for indoleacetic acid from plant chromatin and its role in transcription Biochemical and Biophysical Research Communications, 74 (4). pp. 1597-1606. ISSN 0006-291X

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000629...

Related URL: http://dx.doi.org/10.1016/0006-291X(77)90625-8

Abstract

A high affinity, low capacity binding protein for the plant hormone indole acetic acid has been isolated from the non-histone chromosomal proteins of coconut (Coccos nucifera) endosperm cells. The protein appears to be homogeneous in native and denaturing conditions in polyacrylamide gel electrophoresis and has a molecular weight 70,000 dalton. A role as an acceptor site has been shown for this protein in the transcription of chromatin in presence of nucleoplasmic receptor and indole acetic acid complex. A maximum stimulation in the synthesis of 9-12S RNA has been recorded.

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