TMEM95 and its homologs can be found in eukaryotes. Proteins in this family are typically between 102 and 231 amino acids in length and they have a conserved LGG sequence motif. TMEM95 is a sperm membrane protein required for sperm-oocyte fusion and is essential for mammalian fertilization.
Jiyao W et al.(2023). "The conserved domain database in 2023.",