1. Sequence and comparison of the SDS protein.
Sequence and comparison of the SDS protein. (A) The predicted SDS amino acid sequence (accession No. AJ457977). A putative destruction box with additional lysine residues is found near the N‐terminus (bold). Eight putative PEST elements (underlined and marked) can be recognized. Most of the remaining portion (underlined region) is similar to cyclin cores. Asterisks are below residues that are potential sites of phosphorylation by CDKs. (B) Alignment of the cyclin‐like region of SDS with representative of known Arabidopsis cyclins, based on BLAST search results and minor adjustment. The numbers to the left and at the end of the sequences are the amino acid numbers. The regions shown here (∼200 amino acids) are smaller than the cyclin cores (∼250 amino acids) of cyclins A and B (Renaudin et al., 1996) because of the lack of conservation in SDS at ends of the cyclin core. (C) Percentage identity and similarity (including conservative substitutions; number after slash) between SDS and Arabidopsis cyclin Bs, A2.1 and D1, using the regions shown in (B). Accession Nos: A2.1, Z31589; B1.1, X62279; B1.2, L27223; B2.1, Z31400; B2.2, Z31401; and D1, X83369 (Renaudin et al., 1996).
Yoshitaka Azumi et al. EMBO J. 2002;21:
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