>TIGR01526 nadR_NMN_Atrans nicotinamide-nucleotide adenylyltransferase; InterPro: IPR006417 The NadR protein of Escherichia coli and closely related bacteria is both enzyme and regulatory protein. The first 60 or so amino acids, N-terminal region is a DNA-binding helix-turn-helix domain (IPR001387 from INTERPRO) responsible for repressing the nadAB genes of NAD de novo biosynthesis. The NadR homologs in Mycobacterium tuberculosis, Haemophilus influenzae, and others appear to lack the repressor domain. NadR has recently been shown to act as an enzyme of the salvage pathway of NAD biosynthesis, nicotinamide-nucleotide adenylyltransferase; members of this family are presumed to share this activity. E. coli NadR has also been found to regulate the import of its substrate, nicotinamide ribonucleotide, but it is not known if the other members of this family share that activity. ; GO: 0003677 DNA binding, 0030528 transcription regulator activity, 0006810 transport, 0019363 pyridine nucleotide biosynthetic process, 0045449 regulation of transcription.

Probab=97.73 E-value=0.00015 Score=50.39 Aligned_cols=138 Identities=20% Similarity=0.198 Sum_probs=88.4 Q ss_pred EEEECCCCCCHHHHHHHHHHHHHHCCCCEEEEEECCCHHHHHCCCCCCCCCCHHHHHHHHHHHC-CCCC-CC-CCCCHHH Q ss_conf 9993156502899999999999502797799983798689847888662000078999988511-3100-02-2564057 Q gi|254780846|r 22 VAIGNFDGIHLGHHLILEQAIKIANNSPITVLSFNPHPRTIIQSSSPIFTLSPPSIQEKILEKM-GFSA-LI-RYKFTLE 98 (324) Q Consensus 22 vtiG~FDGvH~GHq~Li~~~~~~a~~~~~~viTF~p~P~~~~~~~~~~~~l~~~~~k~~~l~~~-Gid~-vi-~~~F~~~ 98 (324) T Consensus 5 ~~fGkF~P~HtGH~~li~~a~s~vDel~i-vvg~D~~RD~~lf~D~~a~~~~p~~~R~rwl~e~F~~~~N~i~~~~~ne~ 83 (346) T TIGR01526 5 VVFGKFYPLHTGHIYLIYKAASKVDELHI-VVGSDDVRDLKLFNDSTAAEGPPVEDRLRWLRELFKYQKNVIKIHNLNEN 83 (346) T ss_pred EEECCCCCCCCCHHHHHHHHHHHCCCEEE-EECCCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHCCCCCCEEEEECCCCC T ss_conf 78455589851459999998542681489-97277233222200022311789889999998616743266886112888 Q ss_pred HHH--------CCCHHHHHHHHCCC----CCEEEEEECCCCCCCCCCCCCHHHHHHHHHCCCCEEEECCHHHCCCCCCCC Q ss_conf 752--------28302688862142----780299983455303377556024677510126416761522302333023 Q gi|254780846|r 99 TAN--------YSAEQFIQKVLVEW----LEVKTVITGTKFRFGKDRAGDRGILQKRGEKYGFHTVFIDELRNNKSQIVS 166 (324) Q Consensus 99 ~a~--------ls~e~Fi~~iL~~~----l~~k~ivVG~Df~FG~~r~Gd~~~L~~~~~~~g~~v~~i~~~~~~~~~~IS 166 (324) T Consensus 84 ~~~~~P~GWd~W~~--~l~~l~~~~tle~~~p~~vy~~E~~--------y~A~~~~~L~aDG~~~~~vd~~Rt~--~~vs 151 (346) T TIGR01526 84 GLPEYPNGWDIWSN--SLKELLAEKTLERIEPDLVYVSEPE--------YAAEYKKVLGADGAEFVLVDPDRTF--VSVS 151 (346) T ss_pred CCCCCCCHHHHHHH--HHHHHHHHHHHCCCCCCEEEECCCC--------CCCHHHHHCCCCCCEEEEECCCCCE--EECC T ss_conf 78887776678999--9989986544101467557725600--------1404786278886369998189714--5044 Q ss_pred HHHHHH Q ss_conf 036899 Q gi|254780846|r 167 SSNIRT 172 (324) Q Consensus 167 St~IR~ 172 (324) T Consensus 152 AT~IR~ 157 (346) T TIGR01526 152 ATQIRE 157 (346) T ss_pred HHHHHC T ss_conf 205321

HHsearch alignment for GI: 254780846 and conserved domain: TIGR01526