1.   b.153.1       PheT/TilS domain  contains putative tRNA-binding structural motif !   
                   PheT/TilS domain core: 3 layers; contains beta-sandwich of unusual topology
                   1jjc  d1jjcb6  B:200-205,260-265,269-277,297-305,329-337
                   1b7y  d1b7yb6  B:200-205,260-265,269-277,297-305,329-337
                   1pys  d1pysb6  B:200-205,260-265,269-277,297-305,329-337
                   2aly  d2alyb4  B:200-205,260-265,269-277,297-305,329-339
                   2akw  d2akwb4  B:200-205,260-265,269-277,297-305,329-339
                   2amc  d2amcb4  B:200-205,260-265,269-277,297-305,329-339
                   2iy5  d2iy5b4  B:200-205,260-265,269-277,297-305,329-339
                   1b70  d1b70b6  B:200-205,260-265,269-277,297-305,329-339
                   1eiy  d1eiyb6  B:200-205,260-265,269-277,297-305,329-339
                   1eiy  d1eiyb6  B:200-205,209-220,269-277,297-305,392-396
                   2akw  d2akwb4  B:200-205,209-220,269-277,297-305,392-396
                   2aly  d2alyb4  B:200-205,209-220,269-277,297-305,392-396
                   1b70  d1b70b6  B:200-205,209-220,269-277,297-305,392-396
                   2iy5  d2iy5b4  B:200-205,209-222,269-277,297-305,392-396
                   2amc  d2amcb4  B:200-205,209-222,269-277,297-305,392-396
                   1jjc  d1jjcb6  B:200-205,212-220,269-277,297-305,392-396
                   1b7y  d1b7yb6  B:200-205,212-220,269-277,297-305,392-396
                   1pys  d1pysb6  B:200-205,212-220,269-277,297-305,392-396