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Molecular Weight of Algal Chloroplastin

Nature volume 177, pages 136–138 (1956)Cite this article

Abstract

No recent experimental results are available for the molecular weight of chloroplastin. The available data for chloroplastin have been obtained from leaf extracts (spinach and aspidistra) prepared in a manner similar to that of Smith1 and calculated from the ultracentrifuge data. Smith1 and Smith and Pickels2 found values of the order of 265,000 for chloroplastin ; this high estimate is in part due to the contribution of the digitonin micelle. More recently, Takashima3 made a leaf extract, crystallized a cehlorophyll–lipoprotein complex in the cold from α-picolene and determined its molecular weight from diffusion studies to be 19,200. He postulated a complex of two molecules of chlorophyll per molecule of lipoprotein.

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References

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Author notes

  1. F. A. SCHWERTZ

    Present address: Haloid Corporation, Rochester, N.Y.

Authors and Affiliations

  1. Biophysical Research, Laboratory of Molecular Biology, Eye and Ear Hospital, University of Pittsburgh School of Medicine, and Mellon Institute of Industrial Research, Pittsburgh, Pa.

    J. J. WOLKEN & F. A. SCHWERTZ

Authors
  1. J. J. WOLKEN
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  2. F. A. SCHWERTZ
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WOLKEN, J., SCHWERTZ, F. Molecular Weight of Algal Chloroplastin. Nature 177, 136–138 (1956). https://doi.org/10.1038/177136a0

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