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(Left) Molecular structure of ORC5 and expression profiles for the maize genes. The broken line at the 5′-end of ZmORC5 indicates the putatively missing 78 amino acids. (Right) Expression profiles of ZmORC1, ZmORC2, ZmORC3, ZmORC4 and ZmORC5, in root tips, seedlings and mature leaves. The transcription of a control gene (eIF4A) is in the bottom panels.
