Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3lwbA 3lwbB 4iyjA 4iyjB 3lwbA 100 91 58 61 3lwbB 91 100 45 45 4iyjA 58 41 100 99 4iyjB 57 43 99 100 FOLD SIMILARITY (Z-SCORE) 3lwbA 3lwbB 4iyjA 4iyjB 3lwbA 56 42.6 2.3 2.5 3lwbB 42.6 52.5 1.3 1.4 4iyjA 2.1 1.3 41.8 39.4 4iyjB 2.1 1.3 39.4 41.9