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LARP1 (la-related protein 1) is part of a family of proteins that bears a La motif. The La motif was first identified in the La protein which was isolated as an autoreactive antigen in patients afflicted with systemic lupus erythematosus. Like the La protein, LARP proteins appear to be RNA-binding proteins, and are proposed to play a role in translation elongation and termination. Alternative names for LARP1 include la ribonucleoprotein domain family member 1, LARP, and KIAA0731.
