Primary structure of three minor isoforms of amphioxus sarcoplasmic calcium-binding proteins. |
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| Authors: | T Takagi L Valette-Talbi J A Cox |
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| Affiliation: | Biological Institute, Faculty of Science, Tohoku University, Sendai, Japan. |
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| Abstract: | Previously we reported the amino acid sequences of 4 well-defined sacroplasmic, high-affinity Ca(2+)-binding proteins in the protochordate amphioxus, Branchiostoma lanceolatum [1]. Here we report on the complete amino acid sequence determination of 3 additional minor isoforms. The seven isoforms differ from each other in 9 positions of a contiguous 17-residue-long segment (positions 20-36) and can be classified in a alpha (ASCP I, III and IV) and a beta lineage (ASCP II, V, VI and VII). |
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