Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3niqA 4dz4A 3niqA 100 85 4dz4A 85 100 FOLD SIMILARITY (Z-SCORE) 3niqA 4dz4A 3niqA 62.6 44.4 4dz4A 44.4 61.8