HHsearch alignment for GI: 254780911 and conserved domain: TIGR00655

>TIGR00655 PurU formyltetrahydrofolate deformylase; InterPro: IPR004810 An Escherichia coli gene designated purU has been identified and characterised. The gene codes for a 280-amino-acid protein, PurU (P37051 from SWISSPROT, 3.5.1.10 from EC). PurU is an enzyme that catalyses the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to FH4 and formate ,. 10-formyltetrahydrofolate + H(2)O = formate +tetrahydrofolate Formyl-FH4 hydrolase generates the formate that is used by purT-encoded 5'-phosphoribosylglycinamide transformylase for step three of de novo purine nucleotide synthesis. Formyl-FH4 hydrolase, a hexamer of 32kDa subunits, is activated by methionine and inhibited by glycine. Heterotropic cooperativity is observed for activation by methionine in the presence of glycine and for inhibition by glycine in the presence of methionine. These results suggest that formyl-FH4 hydrolase is a regulatory enzyme whose main function is to balance the pools of FH4 and C1-FH4 in response to changing growth conditions. The enzyme uses methionine and glycine to sense the pools of C1-FH4 and FH4, respectively. ; GO: 0008864 formyltetrahydrofolate deformylase activity, 0006189 'de novo' IMP biosynthetic process.
Probab=100.00  E-value=0  Score=795.64  Aligned_cols=276  Identities=44%  Similarity=0.816  Sum_probs=269.6

Q ss_pred             EEEEEECCCCCCHHHHHHHHHHHCCCCEEEEEEE-ECCCCCEEEEEEEEECCC----------CHHHHHHHHHH-HHCCC
Q ss_conf             9999985998766888999998579818973444-324368899999997288----------52777988898-74002
Q gi|254780911|r    4 YILTITCPSNEEITSIIPDYLSTQGCNILDISQF-NDLDTSKLFMRISFVFNT----------CMKLFIADFQP-IVQQF   71 (288)
Q Consensus         4 ~iLti~CpD~~GIVA~VT~~La~~g~NI~~~~Q~-~D~~~~~FFmRi~f~~~~----------~~~~l~~~f~~-ia~~~   71 (288)
T Consensus         1 ~~Ll~~CpD~kGlva~is~f~~~~g~NIi~~dq~~~D~~~g~Ff~R~e~~~~~~~~nteikeq~~~~L~~~~~~ala~k~   80 (294)
T TIGR00655         1 AILLVSCPDQKGLVAAISTFIAKHGANIISNDQFSVDPETGRFFMRVELQLEGFRLNTEIKEQEESELLAAFKSALAEKF   80 (294)
T ss_pred             CEEEEECCCCCCHHHHHHHHHHHCCCCEEECCCEEECCCCCCEEEEEEEECCCCCCCCHHHCCCHHHHHHHHHHHHHHHH
T ss_conf             90123159788728999999997489867417564415777131234440368731200001405899999986434441


Q ss_pred             CCCEECCCCCCCCCEEEEECCCCCCHHHHHHHHCCCCCEEEEEEEEECCHHHHHHHHHCCCCEEECCCCCCCHHHHHHHH
Q ss_conf             32020124456553899970886798999986204674158999997734667778860997474168733527767899
Q gi|254780911|r   72 SLQYSIRNTKEATKTLILVSQPDHCLNDLLYRWNIGTLALNIVGVVSNHTTHKKLVENYQLPFYYLPMTEQNKIESEQKL  151 (288)
Q Consensus        72 ~m~~~i~~~~~~~riailvSg~gsnL~~Ll~~~~~g~L~~eI~~VISN~~d~~~lA~~~gIP~~~i~~~~~~k~~~e~~i  151 (288)
T Consensus        81 ~~~~~~~~~~~~krvai~vsKe~HCL~DLL~r~~~GeL~~ei~~VIsNH~~lr~lve~F~iPF~~~p~~~~~r~e~Ek~~  160 (294)
T TIGR00655        81 EMTWELILADKLKRVAILVSKEDHCLGDLLWRWYSGELDAEIALVISNHEDLRELVERFGIPFHYIPATKDTRLEHEKKE  160 (294)
T ss_pred             CCEEEEEECCCCCEEEEEEECCHHHHHHHHHHHCCCCCEEEEEEEECCCHHHHHHHHHCCCCEEEECCCCCHHHHHHHHH
T ss_conf             74489961255876899840412035899998738982379999864987899886653898898637885056899999


Q ss_pred             HHHHHHC------CCEEEEECCCCCCCCHHHHHHCCCCEEEECCCCCCCCCCCCHHHHHHHCCCCEEEEEEEEEECCCCC
Q ss_conf             9997333------9409998276754887786327784796133667678999958999742683762257753055688
Q gi|254780911|r  152 INIIEKN------NVELMILARYMQILSDHLCHKMTGRIINIHHSFLPSFKGANPYKQAYEYGVKIIGATAHYAICELDA  225 (288)
Q Consensus       152 l~~l~~~------~~DlivLAgymril~~~~~~~~~~~iiNiHpslLP~f~G~~~y~~A~~~Gvk~~G~TvH~V~~~lD~  225 (288)
T Consensus       161 Lell~~yelkh~~~~DlvVLAkYMqIL~p~Fv~~~pN~iINIHHSFLPAFiGA~PY~rA~eRGVKiIGATAHYVt~~LDe  240 (294)
T TIGR00655       161 LELLKQYELKHKYQVDLVVLAKYMQILSPDFVKRYPNKIINIHHSFLPAFIGANPYQRAYERGVKIIGATAHYVTEELDE  240 (294)
T ss_pred             HHHHHCCCCCEECCCCEEEEEHHCCCCCHHHHHHCCCCEEECCCCCCCCCCCCCCHHHHHCCCCEEEECCEEEECCCCCC
T ss_conf             99874033211027546982101021783577445793121123524554467623788708833770200100335788


Q ss_pred             CCEEEEEEEECCCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCEEEEECCEEEEC
Q ss_conf             834444466518888999999999999999999999998769178868857980
Q gi|254780911|r  226 GPIIEQDVVRVTHAQTIEDYIAIGKNIEAKVLTKAVNAHIQQRVFINKRKTIVF  279 (288)
Q Consensus       226 GpII~Q~~~~v~~~dt~~~l~~~~~~~E~~~l~~av~~~~e~rv~~~~~ktvvf  279 (288)
T Consensus       241 GPIIeQDv~rVdH~~~~e~l~r~GrDiEk~VLaRAv~~hL~dRv~Vy~NkTvVF  294 (294)
T TIGR00655       241 GPIIEQDVVRVDHTDNVEDLIRAGRDIEKVVLARAVKLHLEDRVLVYENKTVVF  294 (294)
T ss_pred             CCCEEECCEEECCCCCHHHHHHCCCCHHHHHHHHHHHHHHCCCEEEECCEEEEC
T ss_conf             890253304527667778998606751267899999998328178877835749