pfam03733: YccF (This model is not part of the current CDD release)
Inner membrane component domain
Domain occurs as one or more copies in bacterial and eukaryotic proteins. These are membrane proteins of four TM regions, two appearing in each of the two copies when both are present. Many of the latter members also carry the sodium/calcium exchanger protein family pfam01699, which have multipass membrane regions.
Jiyao W et al.(2023). "The conserved domain database in 2023.",