Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1syqA 1syqB 2x0kA 1syqA 100 0 0 1syqB 0 0 0 2x0kA 0 0 0 FOLD SIMILARITY (Z-SCORE) 1syqA 1syqB 2x0kA 1syqA 35.3 0 0 1syqB 0 0 0 2x0kA 0 0 0