Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3s8iA 3s8iB 4rghA 4rghB 3s8iA 100 97 91 93 3s8iB 97 100 91 95 4rghA 91 91 100 92 4rghB 93 95 92 100 FOLD SIMILARITY (Z-SCORE) 3s8iA 3s8iB 4rghA 4rghB 3s8iA 28.2 24.8 24.7 24.1 3s8iB 24.8 27 24.3 24.4 4rghA 24.7 24.3 29 24.4 4rghB 24.1 24.4 24.4 27.6