>sp|Q9YCR6|CYSC_AERPE Probable adenylyl-sulfate kinase OS=Aeropyrum pernix GN=cysC MTTYKCIEKGIVVWLTGLPGSGKTTIATRLADLLQKEGYRVEVLDGDWARTTVSEGAGFT REERLRHLKRIAWIARLLARNGVIVICSFVSPYKQARNMVRRIVEEEGIPFLEIYVKASL EEVIRRDPKGLYKKALKGELENFTGITDPYEPPENPQLVLDTESNTIEHNVSYLYSLVKA VIE