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The deduced OsPOX1 protein was compared with two peroxidases of rice, Rice-PrxRP and Rice-POX (Ito et al. 2000) and peroxidases of Arabidopsis(AtPOX; Capelli et al. 1996), Asparagus (AoPOX; accession no. BAA94962), tobacco (NtPOX; accession no. AAK52085), and soybean (GmPOX; Yi and Hwang 1998) using the ClustalW program (Thompson et al. 1994). The results of comparison are displayed using GeneDoc (Nicholas et al.1997). The lines indicate N-terminal signal peptide, a distal heme-binding domain (I), a central conserved domain (II), and a proximal heme-binding domain (III), respectively. Arrowheads and arrows indicate eight conserved Cys residues which form a disulfide bond network and three His residues involved in the acid/base catalysis and hemestabilization (Welinder 1992). Identical amino acids are highlighted in black. Identical amino acids in six or five sequences are shown ingray