>TIGR00083 ribF riboflavin biosynthesis protein RibF; InterPro: IPR002606 Riboflavin is converted into catalytically active cofactors (FAD and FMN) by the actions of riboflavin kinase (2.7.1.26 from EC), which converts it into FMN, and FAD synthetase (2.7.7.2 from EC), which adenylates FMN to FAD. Eukaryotes usually have two separate enzymes, while most prokaryotes have a single bifunctional protein that can carry out both catalyses, although exceptions occur in both cases. While eukaryotic monofunctional riboflavin kinase is orthologous to the bifunctional prokaryotic enzyme , the monofunctional FAD synthetase differs from its prokaryotic counterpart, and is instead related to the PAPS-reductase family . The bacterial FAD synthetase that is part of the bifunctional enzyme has remote similarity to nucleotidyl transferases and, hence, it may be involved in the adenylylation reaction of FAD synthetases . This entry represents the bifunctional enzyme, FAD synthetase / riboflavin kinase.; GO: 0003919 FMN adenylyltransferase activity, 0008531 riboflavin kinase activity, 0009231 riboflavin biosynthetic process.

Probab=100.00 E-value=0 Score=642.82 Aligned_cols=288 Identities=40% Similarity=0.667 Sum_probs=267.4 Q ss_pred EEEEECCCCCCHHHHHHHHHHH--HHHC--CCCEEEEEECCCHHHHHCCCCCCCCCCHHHHHHHHHHHCCCCCCCCCCCH Q ss_conf 9999315650289999999999--9502--79779998379868984788866200007899998851131000225640 Q gi|254780846|r 21 VVAIGNFDGIHLGHHLILEQAI--KIAN--NSPITVLSFNPHPRTIIQSSSPIFTLSPPSIQEKILEKMGFSALIRYKFT 96 (324) Q Consensus 21 vvtiG~FDGvH~GHq~Li~~~~--~~a~--~~~~~viTF~p~P~~~~~~~~~~~~l~~~~~k~~~l~~~Gid~vi~~~F~ 96 (324) T Consensus 1 ~L~IG~FDGlH~GHq~l~~~~~df~~A~e~~L~~avllf~~~P~~~~~~~~~P~rL~pL~~k~~~~~~~~~~~~~v~~Fd 80 (296) T TIGR00083 1 SLAIGYFDGLHLGHQALLQELKDFQKAEEKGLPVAVLLFEPHPSEQFSGLKAPARLTPLEEKARQLEALGVEVLVVVKFD 80 (296) T ss_pred CCEECCCCCCCHHHHHHHHHHHHHHHHHHCCCCEEEEEECCCCHHHHCCCCCCCCCCCCHHHHHHHHHHCCCEEEEEECC T ss_conf 91011566523689999986355676876199479998628873440466788645684899999998537738999623 Q ss_pred HHHHHCCCHHHHHHHHCCCCCEEEEEECCCCCCCCCCCCCHHHHHHHHHCCCCEEEECCHHHCCCCCCCCHHHHHHHHHH Q ss_conf 57752283026888621427802999834553033775560246775101264167615223023330230368999872 Q gi|254780846|r 97 LETANYSAEQFIQKVLVEWLEVKTVITGTKFRFGKDRAGDRGILQKRGEKYGFHTVFIDELRNNKSQIVSSSNIRTALTK 176 (324) Q Consensus 97 ~~~a~ls~e~Fi~~iL~~~l~~k~ivVG~Df~FG~~r~Gd~~~L~~~~~~~g~~v~~i~~~~~~~~~~ISSt~IR~~l~~ 176 (324) T Consensus 81 ~~~a~l~A~~F~~~~~~~~L~~~~l~VG~DF~FG~~r~g~~~~l~~~~~~~~~~v~~-~~~~~~d-~riSSs~IR~aL~~ 158 (296) T TIGR00083 81 EEFANLSAKQFIDQLLVKHLRVKFLVVGDDFRFGKDRQGDFLLLQLAGNETIFTVIV-KQLFCQD-KRISSSAIRQALKN 158 (296) T ss_pred HHHHHCCHHHHHHHHHHCCCCCCEEEECCCCCCCCCCCCHHHHHHHHCCCEEEEEEE-CCCEECC-EEEEHHHHHHHHHC T ss_conf 576524865558987432677568886166133667876057877404854799974-6613326-04515689876424 Q ss_pred HHHHHHHHHHHHCCHHHHHHHHCCCCCCEEEEEEEEEEHHCCCCCCHHHHEEEEEEEECC--CCCHHCCCCCCCCCCC-- Q ss_conf 589999985000000000122100201101111121100002223101100024763056--5621105789972677-- Q gi|254780846|r 177 GHVLNAAHLLGYRFTIESDVIHGEKIGRTLGFPTANMQLSPDILLKEGVYAIRFRTQDQT--SYSGVANFGRNPTMVP-- 252 (324) Q Consensus 177 Gdi~~an~lLGr~y~i~G~Vv~G~~~Gr~lGfPTaNi~~~~~~~p~~GVY~~~v~~~~~~--~~~~v~niG~~PT~~~-- 252 (324) T Consensus 159 g~L~lAN~LLg~PY~~~G~Vi~G~~lGR~~GFPTANi~L~~~~~~~~~g~y~~~~~~~~~dv~~~GV~NiG~RPT~~~~~ 238 (296) T TIGR00083 159 GDLELANKLLGRPYAIKGTVIHGQKLGRTLGFPTANIKLKNQVLPLKGGYYVVVVLLNGEDVPYPGVGNIGKRPTFIGKK 238 (296) T ss_pred CCHHHHHHHCCCCEEEEEEEEECCCCCCCCCCCCCCCCCCCCEEECCCEEEEEEEEECCCEEEEEEEEECCCCCCCCCCC T ss_conf 84788998548714788789852851040147525645677543047158999985176000330134508876324567 Q ss_pred CCCEEEEEEEECCCCCCCCCEEEEEEEEECCCCCCCCCHHHHHHHHHHHHHHHHHHHH Q ss_conf 9714999994067855189889999460000887468989999999997999999987 Q gi|254780846|r 253 NGPLLLESFIFDFSQEIYGQRCTVSFFDYLRPEIKFKDIEKLKIYMGEDEKKARKILE 310 (324) Q Consensus 253 ~~~~~iE~hildf~~dlYg~~i~v~f~~~iR~e~kF~s~~~L~~qI~~D~~~a~~~l~ 310 (324) T Consensus 239 ~~~~~~EvHlldf~~~~YG~~~~~~~~~~IR~~~KF~s~~~Lk~qI~~D~~~A~~~f~ 296 (296) T TIGR00083 239 DQQLVIEVHLLDFSQELYGQEIKVELVKKIRPEQKFSSLDELKKQIEKDLQQAKKFFN 296 (296) T ss_pred CCCCHHHHHHHHHHCCCCCCEEEEEEEEECCCCCCCCCHHHHHHHHHHHHHHHHHHHC T ss_conf 8741000001212004786403676543037765773479999999998999999819

HHsearch alignment for GI: 254780846 and conserved domain: TIGR00083