Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1n7zA 5lddA 5lddB 1n7zA 100 34 44 5lddA 36 100 61 5lddB 45 61 100 FOLD SIMILARITY (Z-SCORE) 1n7zA 5lddA 5lddB 1n7zA 46.6 0 0 5lddA 0 24.6 6.6 5lddB 0 7.2 32.5