Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4atzA 4atzB 4atzC 4xqaA 4xqaC 4atzA 100 98 99 81 81 4atzB 98 100 99 78 78 4atzC 99 99 100 80 80 4xqaA 81 78 80 100 99 4xqaC 81 78 80 99 100 FOLD SIMILARITY (Z-SCORE) 4atzA 4atzB 4atzC 4xqaA 4xqaC 4atzA 36.3 31.3 31.9 25.5 25.4 4atzB 31.3 35.1 32.1 24.9 24.7 4atzC 32 32.1 36 25.6 25.5 4xqaA 25.5 24.9 25.6 36.2 34.3 4xqaC 25.4 24.7 25.5 34.3 36