Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 4riqA 4riqC 4z9vA 4z9vH 4riqA 100 0 0 0 4riqC 0 0 0 0 4z9vA 0 0 0 0 4z9vH 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 4riqA 4riqC 4z9vA 4z9vH 4riqA 10.7 0 2 0 4riqC 0 0 0 0 4z9vA 0 0 0 0 4z9vH 0 0 0 0