Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3q2kA 3q2kB 3rlfA 3q2kA 100 99 72 3q2kB 99 100 59 3rlfA 100 79 100 FOLD SIMILARITY (Z-SCORE) 3q2kA 3q2kB 3rlfA 3q2kA 61.6 51.8 1.4 3q2kB 51.8 57.1 0.9 3rlfA 0.1 0.6 57.2