Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4ndjA 4z38A 4z38B 4ndjA 100 67 69 4z38A 80 100 99 4z38B 73 99 100 FOLD SIMILARITY (Z-SCORE) 4ndjA 4z38A 4z38B 4ndjA 44.5 0 0 4z38A 0 69.2 64.1 4z38B 0 64.1 68.7