Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2paqA 3kh1A 3kh1B 2paqA 100 78 72 3kh1A 76 100 97 3kh1B 73 97 100 FOLD SIMILARITY (Z-SCORE) 2paqA 3kh1A 3kh1B 2paqA 33.4 6 13.7 3kh1A 5.8 35.9 32.5 3kh1B 13.3 32.5 35.6