Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1ibjA 4kamA 4kamB 1ibjA 100 85 87 4kamA 85 100 98 4kamB 87 98 100 FOLD SIMILARITY (Z-SCORE) 1ibjA 4kamA 4kamB 1ibjA 67.7 44.2 45.3 4kamA 44.2 68.7 64.4 4kamB 45.3 64.4 69.8