Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2np0A 2np0B 4kbbA 4kbbC 5vmrA 5vmrC 2np0A 100 0 86 0 87 0 2np0B 0 0 0 0 0 0 4kbbA 0 0 0 0 0 0 4kbbC 0 0 0 0 0 0 5vmrA 0 0 0 0 0 0 5vmrC 0 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 2np0A 2np0B 4kbbA 4kbbC 5vmrA 5vmrC 2np0A 71.3 0 57.3 0 57.9 0 2np0B 0 0 0 0 0 0 4kbbA 0 0 0 0 0 0 4kbbC 0 0 0 0 0 0 5vmrA 0 0 0 0 0 0 5vmrC 0 0 0 0 0 0