>|Rationally optimised SUWA mutant N22E/H86K (ROSA) tetramer(ROSA tetramer) MYGKLNKLVEHIKELLQQLNKEWHRLQSNLHDMLQQMEQLFQEFQHFMQGNQDDGKLQNMIHEMQQFMNQ LDNHLQSLSDTVHHFKNKLQELMNNFHHLVHR