Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1gkmA 2j6lA 2r4iA 2r4iB 1gkmA 100 88 59 45 2j6lA 47 100 31 38 2r4iA 52 50 100 99 2r4iB 60 45 99 100 FOLD SIMILARITY (Z-SCORE) 1gkmA 2j6lA 2r4iA 2r4iB 1gkmA 64.2 0 0 0 2j6lA 0 68.1 0 0 2r4iA 0.3 0 27.2 23 2r4iB 0 0 23 27.2