Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1qhiA 1qhiB 2jaqA 1qhiA 100 99 69 1qhiB 99 100 68 2jaqA 73 68 100 FOLD SIMILARITY (Z-SCORE) 1qhiA 1qhiB 2jaqA 1qhiA 52.3 48 15.4 1qhiB 48 53.2 16.5 2jaqA 4.6 16.5 36.6