HHsearch alignment for GI: 254780570 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=347.90  Aligned_cols=195  Identities=34%  Similarity=0.480  Sum_probs=189.3

Q ss_pred             CEEEEEECCCCHHHHHHHHHHHCCCCCCEEEEEEECCCCCHHHHHHHHCCCCEEEEECCCCCCCCCHHHHHHHHCCCC--
Q ss_conf             659999769850189999999739998479999976888878889986089504630132332210124321000123--
Q gi|254780570|r    4 KNIVIFISGEGTNMLSLIQATKKNDYPAEIVGVFSDNSNAQGLVKARKEKVPTFPIPYKDYISRREHEKAILMQLSSI--   81 (205)
Q Consensus         4 ~riavl~SG~Gsnl~~Il~~~~~~~~~~eI~~Visn~~da~~l~~a~~~~Ip~~~i~~~~~~~~~~~~~~l~~~l~~~--   81 (205)
T Consensus        93 krvai~vsKe~HCL~DLL~r~~~GeL~~ei~~VIsNH~~lr~--lve~F~iPF~~~p~~~-~~r~e~Ek~~Lell~~yel  169 (294)
T TIGR00655        93 KRVAILVSKEDHCLGDLLWRWYSGELDAEIALVISNHEDLRE--LVERFGIPFHYIPATK-DTRLEHEKKELELLKQYEL  169 (294)
T ss_pred             CEEEEEEECCHHHHHHHHHHHCCCCCEEEEEEEECCCHHHHH--HHHHCCCCEEEECCCC-CHHHHHHHHHHHHHHCCCC
T ss_conf             768998404120358999987389823799998649878998--8665389889863788-5056899999998740332


Q ss_pred             ----CCEEEEEEEEEEECCCHHHHCCCCCEEECCCCCCCCCCCCCCCCCHHCCCCCCCCCCEEEECCCCCCCCEEEEEEE
Q ss_conf             ----4303643112220572132106654231353223332444212100002465344530331232186626778998
Q gi|254780570|r   82 ----QPDLICLAGYMRLLSRDFVESYKNKILNIHPSLLPLFPGLHTHRRVLQSGIKITGCTVHMVTANMDEGPIIAQAAV  157 (205)
Q Consensus        82 ----~~Dliv~~g~~~il~~~~l~~~~~~~iN~HpslLP~yrG~~~~~~ai~~g~~~~G~TiH~v~~~~D~G~Ii~q~~~  157 (205)
T Consensus       170 kh~~~~DlvVLAkYMqIL~p~Fv~~~pN~iINIHHSFLPAFiGA~PY~rA~eRGVKiIGATAHYVt~~LDeGPIIeQDv~  249 (294)
T TIGR00655       170 KHKYQVDLVVLAKYMQILSPDFVKRYPNKIINIHHSFLPAFIGANPYQRAYERGVKIIGATAHYVTEELDEGPIIEQDVV  249 (294)
T ss_pred             CEECCCCEEEEEHHCCCCCHHHHHHCCCCEEECCCCCCCCCCCCCCHHHHHCCCCEEEECCEEEECCCCCCCCCEEECCE
T ss_conf             11027546982101021783577445793121123524554467623788708833770200100335788890253304


Q ss_pred             ECCCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCCEEEECCEEEE
Q ss_conf             71899899999999999999999999999986956998986999
Q gi|254780570|r  158 PVSSQDTESSLSQKVLSAEHLLYPLALKYTILGKTSNSNDHHHL  201 (205)
Q Consensus       158 ~i~~~d~~~~l~~rv~~~E~~l~~~~i~~~~~g~i~~~~~~~~~  201 (205)
T Consensus       250 rVdH~~~~e~l~r~GrDiEk~VLaRAv~~hL~dRv~Vy~NkTvV  293 (294)
T TIGR00655       250 RVDHTDNVEDLIRAGRDIEKVVLARAVKLHLEDRVLVYENKTVV  293 (294)
T ss_pred             EECCCCCHHHHHHCCCCHHHHHHHHHHHHHHCCCEEEECCEEEE
T ss_conf             52766777899860675126789999999832817887783574