Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2o2cA 2wu8A 3nbuA 2o2cA 100 90 91 2wu8A 90 100 92 3nbuA 91 92 100 FOLD SIMILARITY (Z-SCORE) 2o2cA 2wu8A 3nbuA 2o2cA 66.7 54.6 58 2wu8A 54.6 71.6 55.9 3nbuA 58 55.9 68