Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1d4vB 2tnfA 4msvA 1d4vB 100 62 66 2tnfA 62 100 70 4msvA 66 70 100 FOLD SIMILARITY (Z-SCORE) 1d4vB 2tnfA 4msvA 1d4vB 32.4 17.8 20.3 2tnfA 17.8 29.4 19.7 4msvA 20.3 19.7 29.6