Analysis of cDNA for human erythrocyte ankyrin indicates a repeated structure with homology to tissue-differentiation and cell-cycle control proteins.
Analysis of complementary DNA for human erythroid ankyrin indicates that the mature protein contains 1,880 amino acids comprising an N-terminal domain binding integral membrane proteins and tubulin, a central domain binding spectrin and vimentin, and an acidic C-terminal 'regulatory' domain containing an alternatively spliced sequence missing from ankyrin variant 2.2. The N-terminal domain is almost entirely composed of 22 tandem 33-amino-acid repeats. Similar repeats are found in yeast and invertebrate proteins involved in cell-cycle control and tissue differentiation.
Lux, SE; John, KM; Bennett, V
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