HHsearch alignment for GI: 254781048 and conserved domain: TIGR01756
>TIGR01756 LDH_protist lactate dehydrogenase; InterPro: IPR011272 This entry represents a family of protist (Trichomonad) lactate dehydrogenases which have apparently evolved from a recent protist malate dehydrogenase ancestor . Lactate dehydrogenase converts the hydroxyl at C-2 of lactate to a carbonyl in the product, pyruvate. The preference of this enzyme for NAD or NADP has not been determined. A critical residue in malate dehydrogenase, arginine-91 (Trichomonas vaginalis numbering) has been mutated to a leucine, eliminating the positive charge which complemented the carboxylate in malate which is absent in lactate. Several other more subtle changes are proposed to make the active site smaller to accommodate the less bulky lactate molecule ..
Probab=100.00 E-value=2.6e-37 Score=262.26 Aligned_cols=290 Identities=22% Similarity=0.328 Sum_probs=237.3
Q ss_pred HHHHHHCCC-CE----EEEEECCC--CCHHHHHHHHHHHCCCCCCCCEEEECCCHH-HHCCCCEEEEECCCCCCCCCCHH
Q ss_conf 999995799-86----99996578--812898830762054468875685269748-83789789995566667655746
Q gi|254781048|r 19 AHLAVLKKL-GD----VVLLDIVD--GMPRGKALDIAESSPVEGFGAQLCGTSDYS-DIAEADVCIVTAGIPRKPSMSRD 90 (320)
Q Consensus 19 a~~~~~~~l-~e----i~L~D~~~--~~~~g~~~Dl~~~~~~~~~~~~v~~~~d~~-~l~~aDivVitag~~~~~g~~R~ 90 (320)
T Consensus 2 s~~IA~G~L~G~R~V~LHLle~~~A~~~l~aL~~EL~DCA-F~~L-~~~i~T~~~EeA~~dID~AFLVASvPLk~G~~R~ 79 (314)
T TIGR01756 2 SHWIASGDLYGERPVVLHLLEIPPALNRLEALALELEDCA-FPNL-AGVIATTKLEEAFKDIDCAFLVASVPLKPGEVRA 79 (314)
T ss_pred CEEEECCCEECCCCEEEEEECCHHHHHHHHHHHHHHHHCC-CHHH-CCCEECCCCCHHHCCCCEEEEEECCCCCCCCHHH
T ss_conf 3264064300587247764020689988666433444123-3123-1412016642011247624322225678860445
Q ss_pred HHHHHHHHHHHHHHHHHHHCC-CCCCEEEECCCCHHHHHHHH-HHCCCCHHHHHHHCCCHHHHHHHHHHHHHCCCCCCCC
Q ss_conf 789988999999997654126-67408871484207899998-8449986561100052568999999999719873355
Q gi|254781048|r 91 DLLADNLKAIEKVGAGIRKYA-PNSFVICITNPLDAMVWALQ-KFSGLPSHMVVGMAGILDSARFRYFLAQEFGVSVESV 168 (320)
Q Consensus 91 dll~~N~~i~~~i~~~i~~~~-p~~i~ivvtNPvDv~~~~~~-~~sg~~~~rViG~Gt~LDs~R~~~~ia~~l~v~~~~V 168 (320)
T Consensus 80 dLl~~N~~IFKa~GE~Ls~yAK~TVk~LviGNP~N~Nc~vAML~A~~L~-~~NF~sl~~LD~NRa~~~iAS~l~V~v~~i 158 (314)
T TIGR01756 80 DLLKKNASIFKATGEALSEYAKPTVKVLVIGNPVNTNCLVAMLHAKKLS-AENFSSLLMLDYNRAVSRIASKLKVEVDEI 158 (314)
T ss_pred HHHHCCCHHHHHHHHHHHHHCCCEEEEEEECCCCCHHHHHHHHCCCCCC-HHHHHHHHHHHCCHHHHHHHHHCCCCHHHE
T ss_conf 5654064566677778775024414788841898525788654023557-535677766512314788886607825443
Q ss_pred -EEEEECCCCCEEEEECCCCCC---CCCH--HHHHHHCCCCCHHHHHHHHHHHHCCHHHHHHHHCCCCCCCCCHHHHHHH
Q ss_conf -056750788524651023544---7701--5543001587876799998455101588887515765432203232344
Q gi|254781048|r 169 -TALVLGSHGDSMVPMLRYATV---SGIP--VSDLVKLGWTTQEKIDQIVKRTREGGAEIVGLLRSGSAYYAPASSAIAI 242 (320)
Q Consensus 169 -~~~ViGeHGds~vp~~S~~~v---~g~p--~~~~~~~~~~~~~~~~~l~~~v~~~g~~ii~~~~kg~t~~~~a~a~~~i 242 (320)
T Consensus 159 ~~~~VWGNHaEs~Vadlt~~~~~~e~G~~~~~~d~l~~~~----~~~~F~~~Ia~RAW~ilE~RG~TSA-aS~~~Asl~H 233 (314)
T TIGR01756 159 YDVVVWGNHAESMVADLTHAEFTKEDGKKQKVIDELSKDY----AEDDFFEVIAQRAWKILERRGFTSA-ASPVKASLQH 233 (314)
T ss_pred EEEEEECCCCCCCCCCCCEEEEECCCCCHHHHHHHHHHHC----CCCHHHHHHHHHHHHHHHCCCCCCC-CCHHHHHHHH
T ss_conf 4778863772000578606999816883137888776522----5615899998999999840588353-3067899998
Q ss_pred HHHHHCCC--CEEEEEEEEECC--CCCCC-CEEEEEEEEECCCCCEEEEC-CCCCHHHHHHHHHHHHHHHHHHHHHHHHH
Q ss_conf 55452889--749999999736--44756-34788769997872288847-99988999999999999999999999765
Q gi|254781048|r 243 AESYLKNK--KNLLPCAAHLSG--QYGVE-GFYVGVPVVIGHKGVEKIVE-LNLSFDEKDAFQKSVKATVDLCNSCTKLV 316 (320)
Q Consensus 243 i~aIl~~~--~~v~~~s~~~~g--~yg~~-~v~~s~P~vig~~Gi~~i~~-l~Ls~~E~~~l~~sa~~i~~~~~~~~~l~ 316 (320)
T Consensus 234 MkAWLFGT~~~~~lS~GIPVPE~n~YGI~PGv~FSFPCTVD~~G~vHv~E~~~~~~~l~~Kl~~Te~DL~~Er~~AL~~L 313 (314)
T TIGR01756 234 MKAWLFGTKPGEVLSLGIPVPEDNPYGIKPGVIFSFPCTVDEDGKVHVVEDFEVNDWLKEKLKQTEKDLIEEREVALKAL 313 (314)
T ss_pred HHHHHCCCCCCCEEEECCCCCCCCCCCCCCCEEEECCCCCCCCCCEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHHC
T ss_conf 78761578877767703347887898888874773385005887178861773378999988667888899999999742