Small-angle X-ray study on the quaternary structure of erythrocruorin from Caenestheria inopinata

Ingrid Pilz, Erika Schwarz, Yossi Tsfadia, Ezra Daniel

Research output: Contribution to journalArticlepeer-review

Abstract

The erythrocruorin of the clam shrimp Caenestheria inopinata was studied in sodium phosphate buffer at pH 6.8 by small-angle X-ray scattering. The following molecular parameters were determined: radius of gyration 4.77 ± 0.05 nm, maximum dimension 14.0 ± 0.5 nm and a volume of 640 ± 40 nm3. A model which fits the experimental data well is presented. The model is composed of 10 subunits arranged symmetrically in two layers, whereby five subunits are always forming a ring.

Original languageEnglish
Pages (from-to)222-224
Number of pages3
JournalInternational Journal of Biological Macromolecules
Volume13
Issue number4
DOIs
StatePublished - Aug 1991

Keywords

  • Small-angle X-ray scattering
  • erythrocruorin
  • quaternary structure

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