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