Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2idxA 2idxB 2idxC 3b64A 3iruA 4g2rA 4rmxA 2idxA 100 85 88 45 60 51 0 2idxB 85 100 98 29 49 60 38 2idxC 88 98 100 20 50 64 47 3b64A 45 38 23 100 28 26 23 3iruA 27 36 51 25 100 61 45 4g2rA 0 55 57 23 67 100 72 4rmxA 0 0 0 24 45 77 100 FOLD SIMILARITY (Z-SCORE) 2idxA 2idxB 2idxC 3b64A 3iruA 4g2rA 4rmxA 2idxA 30.8 26 25.3 1.5 0 0.3 0 2idxB 26 32.7 28 0 0 0 0 2idxC 25.3 28 32.9 0 0 0 0 3b64A 1.5 1.1 0 24.8 0 0 0 3iruA 0 0 0 0 49.8 1.4 0 4g2rA 0 0 0 0 1.1 73.7 0.3 4rmxA 0 0 0 0 0 0.7 67.8