Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2pgwA 3io1A 4u1qA 2pgwA 100 89 100 3io1A 86 100 48 4u1qA 91 89 100 FOLD SIMILARITY (Z-SCORE) 2pgwA 3io1A 4u1qA 2pgwA 68.5 0 2.7 3io1A 0 69.9 0 4u1qA 2.6 0 57.5