Knockout of serine-rich single-pass membrane protein 1 (Ssmem1) causes globozoospermia and sterility in male mice†.
Nozawa K, Zhang Q, Miyata H, Devlin DJ, Yu Z, Oura S, Koyano T, Matsuyama M, Ikawa M, Matzuk MM. Biol Reprod. 2020 Aug 4; 103(2):244-253.