HHsearch alignment for GI: 254780371 and conserved domain: cd06819

>cd06819 PLPDE_III_LS_D-TA Type III Pyridoxal 5-phosphate (PLP)-Dependent Enzyme Low Specificity D-Threonine Aldolase. Low specificity D-threonine aldolase (Low specificity D-TA, EC 4.3.1.18), encoded by dtaAS gene from Arthrobacter sp. strain DK-38, is the prototype of this subfamily. Low specificity D-TAs are fold type III PLP-dependent enzymes that catalyze the interconversion between D-threonine/D-allo-threonine and glycine plus acetaldehyde. Both PLP and divalent cations (eg. Mn2+) are required for catalytic activity. Members of this subfamily show similarity to bacterial alanine racemase (AR), which contains an N-terminal PLP-binding TIM-barrel domain and a C-terminal beta-sandwich domain. AR exists as homodimers with active sites that lie at the interface between the TIM barrel domain of one subunit and the beta-sandwich domain of the other subunit. Based on its similarity to AR, it is possible that low specificity D-TAs also form dimers in solution. Experimental data show that t
Probab=99.90  E-value=4.4e-20  Score=156.53  Aligned_cols=319  Identities=17%  Similarity=0.208  Sum_probs=212.8

Q ss_pred             HHCCCCEEEEEHHHHHHHHHHHHHHCCCCCCEEEEEEECCCCHHHHHHHHHCCC-CEEEECHHHHHHHHHCCCCCCCEEE
Q ss_conf             974997899779999999999998614479789996410799999999997399-2898689998652212578431244
Q gi|254780371|r   23 HVVQTPFYCYSTTAIEKNYLTFSNAFDGMDTMVCYALKANSNQAVIKTLAHLGS-GLDIVSEGELRRALAAPVPAERIVF  101 (431)
Q Consensus        23 ~~~gTP~yV~d~~~i~~n~~~l~~a~~~~~~~i~yAvKaN~~~~il~~l~~~G~-g~dv~S~~El~~al~~G~~~~~Ii~  101 (431)
T Consensus         3 ~~l~TP~lvvd~~~l~~Ni~~m~~~~~~~gv~lrPH~KThks~~i~~~ql~~Ga~gi~~atl~EAe~~~~~G~~--dIll   80 (358)
T cd06819           3 AEIDTPALVLDLDALERNIKRMAAFAKAHGVRLRPHAKTHKCPAIARRQIAAGAVGVCCQKLSEAEVMAAAGIR--DILI   80 (358)
T ss_pred             CCCCCCEEEEEHHHHHHHHHHHHHHHHHCCCCEEEEEHHHCCHHHHHHHHHCCCCEEEECCHHHHHHHHHCCCC--EEEE
T ss_conf             00699839972999999999999999867996777731207899999999669974996579999999977997--0688


Q ss_pred             CCCCCCCHHHHHHH----HCCCCCCCCCCCHHHHHHHHHHCCCCCCEEEEEEEECCCCCCCCCCCCCCCCCCCCCCCC-C
Q ss_conf             47754201244442----068723333220246768774113344215899872377867443332233444568871-1
Q gi|254780371|r  102 SGVGKTIDEIDLAL----QSGIYCFNVESESELKTLNQRAVSLGKKAPIAFRVNPDINANTHKKISTGKKEDKFGIPI-H  176 (431)
Q Consensus       102 ~g~~k~~~~l~~ai----~~gv~~i~vDs~~el~~l~~~a~~~~~~~~I~lRinp~~~~~~~~~~~tg~~~sKFGi~~-~  176 (431)
T Consensus        81 a~p~v~~~~l~rl~~l~~~~~~-~~~vDs~~~~~~l~~~a~~~~~~~~V~Ievd~G------------~--~R~Gv~~~~  145 (358)
T cd06819          81 TNEVVGPAKIARLAALARRAPL-IVCVDHPDNVRALAAAAVEAGVRLDVLVEIDVG------------Q--GRCGVPPGE  145 (358)
T ss_pred             ECCCCCHHHHHHHHHHHHCCCE-EEEEECHHHHHHHHHHHHHCCCCEEEEEEECCC------------C--CCCCCCCHH
T ss_conf             5466897899999999854998-999949999999999998659963699997889------------9--877888869


Q ss_pred             CCHHHHHHHHHCCCCCHHHHHHHHHH--CCCCCHH----HHHHHHHHHHHHHHHHCCCCCCCEEEECCCCCCCCCCCCCC
Q ss_conf             11345777641563220023355641--5644204----89999999988765310266652688068730002665455
Q gi|254780371|r  177 QIHSLYAYASTLPGVKISGVDMHIGS--QIDQIES----FHKAFKLLRDLTQQLRSNGHNIQHIDVGGGLGIAYHSDHRP  250 (431)
Q Consensus       177 ~~~~~~~~~~~~~~l~l~GlH~H~GS--~~~~~~~----~~~~~~~~~~~~~~l~~~g~~~~~ldiGGGf~i~y~~~~~~  250 (431)
T Consensus       146 ~~~~la~~I~~~~~l~l~Gi~~y~Gh~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~~g~~~~ivs~GgT-~t-~~~~~~~  223 (358)
T cd06819         146 AALALARTIAALPGLRFAGLQAYHGHLQHIRDYEERRAAIAEAAEALQATRDALEAAGLPCEIVTGGGT-GT-YEFEAAS  223 (358)
T ss_pred             HHHHHHHHHHHCCCCEEEECCCCCCHHHCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCEEECCCC-CC-EEEECCC
T ss_conf             999999999848998062010465333027998999999999999999999999966999855744788-75-0222256


Q ss_pred             CCHHHHHHHHHHHHCCCCCEEEEEECCEECC-----------------CCCEEEEEEEEECCCCCCCCEEECCCCCCCCC
Q ss_conf             3114565556542102453034410111203-----------------66325888764034689742200553000110
Q gi|254780371|r  251 PSSSDYASLIHQYFGNLQCKIILEPGRFLVA-----------------DVGILVTKVISIKKSADKTFVILDVAMNDFMR  313 (431)
Q Consensus       251 ~~~~~~~~~i~~~~~~~~~~l~~EPGR~lva-----------------~ag~ll~~V~~vK~~~~~~~~~vD~g~~~~~~  313 (431)
T Consensus       224 -----------------~~~tEl~~G~yvf~D~~y~~~~~~~~~~~~~~Al~V~~~ViS~---p~~~~~~vd~G~k~ls~  283 (358)
T cd06819         224 -----------------GVYTELQAGSYVFMDADYGDNEDEGGAPPFENALFVLTTVISA---NAPGRAVVDAGLKSLSV  283 (358)
T ss_pred             -----------------CCEEEECCCEEEEECHHHHHHCCCCCCCCCCEEEEEEEEEECC---CCCCCEEECCCCCCCCC
T ss_conf             -----------------7337977842996167886411345676665007998677725---78882786477630003


Q ss_pred             CHHHCCCCCCCCCCCCCCCCCEEEEEEEEEECCCCCEEEEEEECCCCCCCCEEEEECCCCHHHHHHCCCCCCCCCEEEEE
Q ss_conf             01110246532222346777615899981000566665621005668888899996797023334027788986659999
Q gi|254780371|r  314 PTLYDAYHEINYIVNPAGDRLHIHADIVGPICETGDFIALNRKIALPRPGDLLYIEKTGAYGAVQSGTYNSRLLIPEIMV  393 (431)
Q Consensus       314 p~~~~~~~~i~~~~~~~~~~~~~~~~i~G~~C~~~D~l~~~~~lp~l~~GD~l~i~~~GAY~~s~~s~fn~~p~p~~v~v  393 (431)
T Consensus       284 d~----g~p~-~~~~~-----~--~~v~-~~s~EHg~l~~~~~~~~l~vGd~v~~~P~H~-C~----t~~~~~--~~~vv  343 (358)
T cd06819         284 DS----GLPK-VAGRP-----G--LSYV-RAGDEHGIVELEDGAAPLKIGDRLELVPGHC-DP----TVNLHD--WYVGV  343 (358)
T ss_pred             CC----CCCC-CCCCC-----C--CEEE-CCCCCEEEEECCCCCCCCCCCCEEEEEECCC-CH----HHHHCC--EEEEE
T ss_conf             67----8885-65899-----8--5794-0157500787799878999999999980883-26----377389--89999


Q ss_pred             ECCEEEE
Q ss_conf             8896899
Q gi|254780371|r  394 NGSQFHI  400 (431)
Q Consensus       394 ~~g~~~~  400 (431)
T Consensus       344 ~~~~Vvd  350 (358)
T cd06819         344 RGGVVED  350 (358)
T ss_pred             ECCEEEE
T ss_conf             9999999