Figure 1.

Scheme of the Mutagenized OSH15 Proteins.

The full-length OSH15 (amino acids 1 to 355) contains four putative functional domains that are conserved in plant KNOX proteins: the MEINOX domain (which can divided into two subdomains, KNOX1 and KNOX2); the GSE domain; the ELK domain; and the HD. Deletions from the N- or C-terminal ends and internal deletions of each domain are indicated. In the HD, four sites of highly conserved amino acid residues in the basic, helix1, loop, and helix3 regions were replaced with alanine residues (M1, M2, M3, and M4, respectively).