>d1t6xa1 b.43.5.1 (A:159-288) Riboflavin kinase domain of bifunctional FAD synthetase {Thermotoga maritima} yfeiegivhkdrefgrklgfptanidrgneklvdlkrgvylvrvhlpdgkkkfgvmnvgf rptvgdarnvkyevyildfegdlygqrlklevlkfmrdekkfdsieelkaaidqdvksar nmiddiinsk