The large subunit of the archaeal 70s ribosome. It is composed of the 23S RIBOSOMAL RNA, the 5S RIBOSOMAL RNA, and about 40 different RIBOSOMAL PROTEINS.

Synonyms: 50S Ribosomal Subunits, Archaeal Ribosome Subunits, Large, Archaeal Ribosomal Subunits, Large, Archaeal Ribosomal Subunits, 50S, Archaeal Ribosome Subunits, 50S, Archaeal 50S Ribosome Subunits, Archaeal Archaeal Large Ribosome Subunits Archaeal Large Ribosomal Subunits Large Ribosome Subunits, Archaeal Large Ribosomal Subunits, Archaeal