Crossref journal-article
Wiley
Journal of Experimental Zoology (311)
Abstract

AbstractRepresentative species of four bivalve subclasses were examined for the presence of mineral‐binding phosphoprotein particles in the physiological fluids. The particles were identified in Heterodont bivalves only, and particles from nine different Heterodont species were isolated and characterized. All phosphoprotein particles are internally cross‐linked via histidinoalanine residues. In all species over 80% of the amino acid residues in the particles are aspartic acid, phosphoserine (and/or phosphothreonine), and histidine. These amino acids are probably the only residues directly related to mineral ion binding, since all phosphoprotein particles bind mineral irrespective of the minor amino acid content, which is species dependent. In their native state the phosphoprotein particles contain large amounts of calcium, magnesium, and inorganic phosphate ions (up to 45 metal ions and 8 phosphate ions per 100 amino acid residues) and trace amounts of transition elements. Evidence for the presence of calcium phosphate complexes in the native phosphoprotein particles was obtained by observing a concomitant increase in the inorganic phosphate and calcium ion content of the particles with pH in vivo.

Bibliography

Marsh, M. E., & Sass, R. L. (1985). Distribution and characterization of mineral‐binding phosphoprotein particles in bivalvia. Journal of Experimental Zoology, 234(2), 237–242. Portico.

Authors 2
  1. M. E. Marsh (first)
  2. R. L. Sass (additional)
References 17 Referenced 18
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Dates
Type When
Created 20 years, 2 months ago (June 11, 2005, 2:25 a.m.)
Deposited 1 year, 10 months ago (Oct. 21, 2023, 5:23 p.m.)
Indexed 1 year, 10 months ago (Oct. 22, 2023, 7:18 p.m.)
Issued 40 years, 4 months ago (May 1, 1985)
Published 40 years, 4 months ago (May 1, 1985)
Published Online 20 years, 3 months ago (May 10, 2005)
Published Print 40 years, 4 months ago (May 1, 1985)
Funders 0

None

@article{Marsh_1985, title={Distribution and characterization of mineral‐binding phosphoprotein particles in bivalvia}, volume={234}, ISSN={1097-010X}, url={http://dx.doi.org/10.1002/jez.1402340209}, DOI={10.1002/jez.1402340209}, number={2}, journal={Journal of Experimental Zoology}, publisher={Wiley}, author={Marsh, M. E. and Sass, R. L.}, year={1985}, month=may, pages={237–242} }