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Figure 3 | BMC Evolutionary Biology

Figure 3

From: Analyses of six homologous proteins of Protochlamydia amoebophila UWE25 encoded by large GC-rich genes (lgr): a model of evolution and concatenation of leucine-rich repeats

Figure 3

The 72 Leucine-Rich Repeats (LRRs) of pc1145 and of the six LGR proteins of P. amoebophila. The 28-residue motifs are aligned. The end of the protein is displayed for each LGR protein, starting from the four non-LRR 28-meres preceding the LRR domain. Leucine (L) and the related-isoleucine (I) are indicated in bold. While the common start of the LRR domain as defined by the CAS (Additional File 6) is indicated by the position of the first residue belonging to the LRR domain, the last residue is labeled by an arrow. Only LRR1LgrE is larger (30 residues) than the 71 other 28-meric LRRs: also found in the first LRR of LgrA, LgrB, LgrC and LgrF, a dipeptide EV, underlined in LgrE, is duplicated in LRR1LgrE. All further analyses of the LGRs on the LRRs defined by the CAS are almost exclusively based on homologous 28-meric units and on repeats presenting similarities along at least two thirds in length of the 28-mere.

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