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Small-angle X-ray scattering studies of giant haemoglobin from the annelid Tylorrhynchus heterochaetus |
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| Authors: | Ingrid Pilz Erika Schwarz Tomohiko Suzuki Toshio Gotoh |
| Institution: | a Institut für Physikalische Chemie der Karl-Franzens-Universität, A-8010 Graz, Heinrichstrasse 28, Austria b Department of Biology, Faculty of Science, Kochi University, Kochi 780, Japan c Department of Biology, College of General Education, University of Tokushima, Tokushima 770, Japan |
| Abstract: | The extracellular haemoglobin of the polychaete Tylorrhynchus heterochaetus was studied in solution by small-angle X-ray scattering. The following molecular parameters were determined: radius of gyration 10.8±0.2 nm and a maximum intraparticular distance of 29.5±0.5 nm. Models which fit well the experimental data and reflect also the biochemical structure especially the known number of polypeptide chains are presented. |
| Keywords: | Small-angle X-ray scattering haemoglobin |
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