>sp|Q4J963|RIFK_SULAC Riboflavin kinase OS=Sulfolobus acidocaldarius GN=ribK
MIKLTDEGEKMLRECAESLVDLFAKNRIVKIKAKVTSGLGEGRIFVSLPYYMEAFNKFLG
FQPYPGTLNAVIYDRISMENRLLLDLSRGILIPEHKEPNRVLGSVKAFPASINSVSPVAV
VIPTRTTHPKSVVELLSPHKLREKLELEDGDEIEIEVYL