This family represents the C-terminal region of the male sterility protein in a number of arabidopsis and drosophila. A sequence-related jojoba acyl CoA reductase is also included.

1: The Arabidopsis MALE STERILITY 2 protein shares similarity with reductases in elongation/condensation complexes. Aarts MG, Hodge R, Kalantidis K, Florack D, Wilson ZA, Mulligan BJ, Stiekema WJ, Scott R, Pereira A; Plant J 1997;12:615-623. PMID:9351246