Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1ogpA 2a9dA 2a9dB 1ogpA 100 89 87 2a9dA 89 100 97 2a9dB 87 97 100 FOLD SIMILARITY (Z-SCORE) 1ogpA 2a9dA 2a9dB 1ogpA 70.9 53.5 51.1 2a9dA 53.5 66.5 61 2a9dB 51.1 61 64.3