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. 2001 Jul 10;98(15):8714–8719. doi: 10.1073/pnas.151269298

Figure 6.

Figure 6

Alignment of the RC motifs in the Helitrons. Following is a list of the RCR initiator-like proteins: SVTS2 (GenBank accession no. AAF18310, the SVTS2 ssDNA spiroplasma plectrovirus); Rep_SC (BAA34784, the pSA1.1 conjugative plasmid from Streptomyces cyaneus); Rep_BB (BAA07788, the pHT926 Bacillus borstelensis cryptic plasmid); Rep_AA (AAC37125, the pVT736–1 RCR plasmid from Actinobacillus actinomycetemcomitans); and Pf3 (AAA88392, the Pf3 ssDNA bacteriophage from Pseudomonas aeruginosa). Color shading shows different physicochemical properties of conserved amino acids (17). Conserved tyrosines, corresponding to the RCR nicking/ligation catalytic center, are marked by dots.