>sp|A0RTV6|RIFK_CENSY Riboflavin kinase OS=Cenarchaeum symbiosum (strain A) OX=414004 GN=ribK PE=3 SV=1 MGISQQAASQHLRELEDEGLITRNAEGKGISVMVTDKGRHELLRVYNILHDSLHSRPDHV EITGTLVSGMNEGAYYMSREGYTGQFQERLGYVPFPGTLNVDTDRKHGPEIARLDGMNGT IIDGFTDGKRSYGWVKCFAGTLNGTIPCHLIRLERTHHGSSTVELISKLDIRKETGLDDG GKITIRIPLEQED