HHsearch alignment for GI: 254780409 and conserved domain: TIGR01251
>TIGR01251 ribP_PPkin ribose-phosphate pyrophosphokinase; InterPro: IPR005946 Synonyms: phosphoribosylpyrophosphate synthetase Phosphoribosyldiphosphate synthetase (PRPPsase, 2.7.6.1 from EC) catalyzes the transfer of an intact diphosphate (PP) group from ATP to ribose-5-phosphate (R-5-P), which results in the formation of AMP and 5-phospho-D-ribosyl--1-diphosphate (PRPP). ATP + D-ribose 5-phosphate = AMP + 5-phospho-alpha-D-ribose 1-diphosphate PRPP is an essential precursor for purine and pyrimidine nucleotides, both in the de novo synthesis and in the salvage pathway as well as in the synthesis of pyridine nucleotide coenzymes. The activity of PRPPsase is highly regulated. Besides competitive inhibition at the substrate binding sites, most PRPPsases are regulated in an allosteric manner, in which ADP generally acts as the most potent inhibitor. In some systems, close homologs lacking enzymatic activity exist and perform regulatory functions.; GO: 0000287 magnesium ion binding, 0004749 ribose phosphate diphosphokinase activity, 0009165 nucleotide biosynthetic process.
Probab=100.00 E-value=0 Score=479.28 Aligned_cols=309 Identities=52% Similarity=0.845 Sum_probs=301.3
Q ss_pred CEEEECCCCHHHHHHHHHHHCCCEEEEEEEECCCCEEEEEECCCCCCCEEEEE-CCCCCCCHHHHHHHHHHHHHHHHCCC
Q ss_conf 98997689999999999995891044489986997078885678689708998-59788804679999999999986172
Q gi|254780409|r 1 MKIFAGNSNRNLAQEICDYLHTSLGKASVTYFSDREVFVEIGENVRGEDVFIV-QSTSCPANDYLMELLIMIDAVRRSSA 79 (310)
Q Consensus 1 m~i~~g~~~~~La~~ia~~lg~~l~~~~~~~F~dGE~~v~i~~~vrg~dV~iv-qs~~~~~nd~lmeLl~~~~a~k~~~A 79 (310)
T Consensus 1 ~~~~~~~~~~~l~~~~~~~~~~~~~~~~~~~f~~ge~~~~~~~~~~g~~~~~~~~~~~~p~~~~~~~~~~~~~~~~~~~~ 80 (316)
T TIGR01251 1 LKIFSGSSNPELAEKVAKLLGLPLGDAEVKRFPDGELYVRIDESVRGGDVFIIVQSTCPPVNDNLMELLLLIDALKRAGA 80 (316)
T ss_pred CEEEECCCCHHHHHHHHHHCCCCCCCCCEEECCCCCEEEEEECCCCCCCEEEEEECCCCCCCHHHHHHHHHHHHHHHCCC
T ss_conf 93540566525799998642652110000111686237886014567515899606677620689999999987641365
Q ss_pred CHHHHHCCCCCHHHCCCCCCCCCCHHHHHHHHHHEECCCCEEEEECCCCHHHHHHCCCCCEECCHHHHHHHHHHHHCCCC
Q ss_conf 00113102330110343112565214777652000026772699515835776525886200010377778765305855
Q gi|254780409|r 80 RRITGVIPYFGYCRQDRKPSPRTPISAKLVANLITQAGADRVIMLDLHAGQVQGFFDIPTDNLYALPILERDIKERNDIS 159 (310)
Q Consensus 80 ~~it~ViPY~~YaRqDr~~~~~e~isak~~a~ll~~~G~d~vit~DlH~~~~~~~F~ip~~nl~~~~~l~~~l~~~~~~~ 159 (310)
T Consensus 81 ~~~~~~~p~~~y~r~~~~~~~~~~~~~~~~~~~~~~~g~~~~~~~~~h~~~~~~~f~~p~~~~~~~~~~~~~~~~~~~~~ 160 (316)
T TIGR01251 81 KSITAVLPYYGYARQDRKFKGGEPISAKLVADLLETAGADRVLTVDLHSPQIQGFFDVPVDNLYASPVLAEYLKEKLPLD 160 (316)
T ss_pred CEEEEEECCCCCCHHHCCCCCCCCHHHHHHHHHHHHCCCCEEEEEECCCHHHHHCCCCCCCCCCHHHHHHHHHHHHCCCC
T ss_conf 51578731343200000025666304889999986327432688504512221002341012211578888887532776
Q ss_pred CEEEEECCCCHHHHHHHHHHHCC-CCEEEEECCCC-CCCCCEEECCCCCCCCCEEEEECHHHCCHHHHHHHHHHHHHCCC
Q ss_conf 51885166563578999999709-97999832676-76321000024545574289952132033668889898752687
Q gi|254780409|r 160 NLMVVSPDVGGVVRARALAKRLG-CLLAIVDKRRE-HPGKIEVMNIIGKVEGKDCILIDDIVDTGGTLCGAADALYEQGA 237 (310)
Q Consensus 160 ~~vVVaPD~G~~~ra~~~a~~L~-~~~~~~~K~R~-~~~~v~~~~~~gdV~gr~vIIVDDii~TGgTi~~aa~~Lk~~GA 237 (310)
T Consensus 161 ~~~~~~pd~g~~~~~~~~~~~~~~~~~~~~~k~r~~~~~~~~~~~~~~~~~g~~~~~~dd~~~~gg~~~~~~~~l~~~g~ 240 (316)
T TIGR01251 161 DPVVVSPDKGGVERAKSVADALGDLPLALIDKRRPSAPNEVEVLPLLGDVEGKDVVLVDDIIDTGGTLVKAAELLKEKGA 240 (316)
T ss_pred CCEEEECCCCHHHHHHHHHHHHCCCCEEEEEECCCCCCCCEEEEEEECCCCCCEEEEEECCCCCCHHHHHHHHHHHHCCC
T ss_conf 64686067323678889997606764233331136764323543100023675278860210021358999999863484
Q ss_pred CCEEEEEECCCCCHHHHHHHHHCC----CCEEEECCCCCCCHHHHCCCCEEEEECHHHHHHHHHHHHCCCCCCHHCC
Q ss_conf 521787205555716898886369----9899981788784347407985998117999999998718887313009
Q gi|254780409|r 238 LSVTAYITHGVLSSSSIERIEKSK----MKELVITDSIQPTDLVKSSAKIRILTIAQLMGEAINRTFEERSISSLFD 310 (310)
Q Consensus 238 ~~V~~~~THgifs~~a~e~l~~s~----i~~iv~TnTi~~~~~~~~~~ki~visva~llA~aI~~i~~~~Svs~l~~ 310 (310)
T Consensus 241 ~~~~~~~~h~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 316 (316)
T TIGR01251 241 KKVYAAATHGVFSGPALERLANAGEEGLVEEVVVTDTIPLPEE-KHLPKVSVLSVAPLIAEAIRRIHNGESVSSLFD 316 (316)
T ss_pred CEEEEEEECCHHCCHHHHHHHHCCCCCHHHHHEECCCCCCCCC-CCCCCCEEHHHHHHHHHHHHHHHCCCCHHHHCC
T ss_conf 4278765122002146888651111000111100022125420-014531000257789999987631332011039