Patent ID: 7414025

Claim:
An isolated intraplastid-targeting polypeptide, consisting of: domain A consisting of: i) amino acids 60-100 of SEQ ID NO: 1; or ii) a fragment of a protein of an inner membrane of a chloroplast envelope, said protein being recognized by an antibody directed against SEQ ID NO: 1, and said fragment having at least 70% identity or 75% identity with amino acids 60-100 of SEQ ID NO:1 or SEQ ID NO:3 and when combined with domain B has plastid targeting activity; and a domain B located at the N-terminal end of domain A consisting of iii) a fragment of amino acids 1-59 of SEQ ID NO: 1, said fragment including at least amino acids 49-59 of SEQ ID NO:1 or SEQ ID NO:3, or iv) a fragment of a protein of an inner membrane of a chloroplast envelope, said protein being recognized by antibodies directed against the polypeptide SEQ ID NO:1, and said fragment having at least 60% identity or 65% identity with said fragment iii) and when combined with domain A has plastid targeting activity.