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Science 13 January 1967:
Vol. 155. no. 3759, pp. 208 - 210
DOI: 10.1126/science.155.3759.208
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Articles

Abductin: A Rubber-Like Protein from the Internal Triangular Hinge Ligament of Pecten

Robert E. Kelly 1 and Robert V. Rice 1

1 Pittsburgh, Pennsylvania, and Marine Biological Laboratories, Woods Hole, Massachusetts

The rubber-like internal triangular hinge ligament from Pecten was studied by light and electron microscopy, x-ray diffraction, and chemical analysis. The ligament is composed of an amorphous protein, abductin. In physical properties abductin is similar to elastin and resilin but distinct by amino acid analysis. It is characterized by high concentrations of glycine and methionine.


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