cl21513: NrfD Superfamily (this model, PSSM-Id:419702 is obsolete and has been replaced by 451283)
Polysulphide reductase, NrfD
NrfD is an integral transmembrane protein with loops in both the periplasm and the cytoplasm. NrfD is thought to participate in the transfer of electrons, from the quinone pool into the terminal components of the Nrf pathway.
Jiyao W et al.(2023). "The conserved domain database in 2023.",