Several subgroups,all proteins within the genomes of A. pernix K (APE),S. acidocaldarius DSM (Saci),P. aerophilum
Several subgroups,all proteins within the genomes of A. pernix K (APE),S. acidocaldarius DSM (Saci),P. aerophilum str. IM (PAE),P. abyssi GE (PAB),M. maripaludis S (MMP),M. kandleri AV (MK),M. burtonii DSM (Mbu),Halobacterium…