LEM-domain proteins are lost during human spermiogenesis but BAF and BAF-L persist.
Elkhatib RA, Paci M, Boissier R, Longepied G, Auguste Y, Achard V, Bourgeois P, Levy N, Branger N, Mitchell MJ, et al. Reproduction. 2017 Oct; 154(4):387-401. Epub 2017 Jul 6.