Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 5l3rA 5l3rB 5ws9A 5l3rA 100 77 58 5l3rB 77 100 36 5ws9A 100 100 100 FOLD SIMILARITY (Z-SCORE) 5l3rA 5l3rB 5ws9A 5l3rA 47.4 34.3 1.3 5l3rB 34.3 49.9 1.8 5ws9A 3.9 0.7 71.5