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Science 13 April 1979:
Vol. 204. no. 4389, pp. 179 - 180
DOI: 10.1126/science.204.4389.179
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Articles

Nicotiana Chromosome Coding for a Specific Polypeptide of the Small Subunit of Fraction 1 Protein

KEVIN CHEN 1 and SEAWARD A. SAND 2

1 Department of Biology, University of California, Los Angeles 90024
2 Orchard Park Laboratories Roswell Park Memorial Institute, Orchard Park, New York 14127

Fraction 1 protein has been isolated from leaves of a male sterile Nicotiana tabacum plant containing an extra N. debneyichromosome. The extra chromosome induces appearance of a third polypeptide composing the small subunit of fraction 1 protein, which otherwise contains two polypeptides as is shown by analysis of numerous different cultivars of N. tabacum.

Submitted on October 2, 1978
Revised on November 20, 1978

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Science. ISSN 0036-8075 (print), 1095-9203 (online)