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