Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1v1hA 5e7tG 5e7tH 1v1hA 100 4 0 5e7tG 0 100 99 5e7tH 0 99 100 FOLD SIMILARITY (Z-SCORE) 1v1hA 5e7tG 5e7tH 1v1hA 12.9 0 0 5e7tG 0 24.8 23.5 5e7tH 0 23.5 24.5