Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1s99A 5jipA 5jipB 1s99A 100 74 70 5jipA 68 100 99 5jipB 71 99 100 FOLD SIMILARITY (Z-SCORE) 1s99A 5jipA 5jipB 1s99A 37.6 0 0 5jipA 0 51.6 48.7 5jipB 0 48.7 51.1