We here report the sequence of a yeast gene LRG1 whose deduced amino acid sequence contains sequence motifs similar to LIM domain proteins in the amino-terminal, and to rho/rac GTPase activating proteins (rho/racGAP's) in the carboxy-terminal part. LRG1 expression is differentially regulated showing a peak of expression in sporulating cells. Gene disruption experiments indicate that the gene is not essential and may play a role during mating.