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Figure 1 | BMC Evolutionary Biology

Figure 1

From: Evolution of a subtilisin-like protease gene family in the grass endophytic fungus Epichloë festucae

Figure 1

Gene and protein structures of E. festucae Fl1 SLPs. A. Genetic maps showing gene arrangement around the E. festucae SLP loci. Black arrows indicate the SLP genes, with non-protease genes indicated by light grey arrows. Gene names, where specific names have been assigned (in E. festucae Fl1), are shown above the genes. Systematic numbers assigned during annotation of the E. festucae E2368 genome refer to the remaining genes. Scale bars indicate a length of 1 kb. B. Domain organization of the E. festucae SLP proteins. Conserved catalytic triad residues are shown in circles above domain structures. The polypeptide is indicated in grey and colored blocks as follows: the signal peptide in red, subtilisin N-terminal domains in yellow, peptidase S8 domains in green, PA domains in black, DUF1034 domains in blue, kexin propeptides in orange, P domains in purple, serine/threonine-rich domains in teal and transmembrane domains in white. Conserved kexin autocatalytic cleavage sites are indicated by black arrows. Conserved RGD motifs in the kexin family are indicated by an asterisk. Scale bars indicate a length of 50 amino acid residues.

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