Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1b33C 1b33D 2a6hC 3gs2A 3gs2C 1b33C 100 71 61 0 0 1b33D 71 100 31 0 0 2a6hC 48 0 100 3 3 3gs2A 0 0 58 100 99 3gs2C 0 0 55 99 100 FOLD SIMILARITY (Z-SCORE) 1b33C 1b33D 2a6hC 3gs2A 3gs2C 1b33C 29.9 22 0 0 0 1b33D 22 30.2 0 0 0 2a6hC 0.9 0 57.5 0 0 3gs2A 0 0 0 22.8 18.6 3gs2C 0 0 0 18.6 22.6