Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4pz2A 5gtlA 5gtlC 4pz2A 100 92 93 5gtlA 92 100 99 5gtlC 93 99 100 FOLD SIMILARITY (Z-SCORE) 4pz2A 5gtlA 5gtlC 4pz2A 72.5 59.2 58.9 5gtlA 59.2 72.7 69.6 5gtlC 58.9 69.6 72.9