HHsearch alignment for GI: 254780741 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=99.65  E-value=1e-12  Score=103.46  Aligned_cols=302  Identities=15%  Similarity=0.076  Sum_probs=178.8

Q ss_pred             CCCCEEEEEHHHHHHHHHHHHHHHHHCCCEEEEEEECCCCHHHHHHHHHHC-CEEEEECHHHHHHH-HCCCCCCCEEE-C
Q ss_conf             888568977999999999999985336986999541059999999998518-74898079999898-73688010885-3
Q gi|254780741|r    2 IKTPYYLIDKQKLLNNLDTALYIRKNAGVKLLLALKCFAAWGMFDTLNQYM-DGTTSSSLYEVMLG-HEKFGGETHAY-N   78 (367)
Q Consensus         2 i~TP~yv~d~~~i~~n~~~~~~~~~~~~~~i~yA~KaN~~~~il~~l~~~g-~g~dv~S~~E~~la-~~g~~~~~i~~-~   78 (367)
T Consensus         5 l~TP~lvvd~~~l~~Ni~~m~~~~~~~gv~lrPH~KThks~~i~~~ql~~Ga~gi~~atl~EAe~~~~~G~--~dIlla~   82 (358)
T cd06819           5 IDTPALVLDLDALERNIKRMAAFAKAHGVRLRPHAKTHKCPAIARRQIAAGAVGVCCQKLSEAEVMAAAGI--RDILITN   82 (358)
T ss_pred             CCCCEEEEEHHHHHHHHHHHHHHHHHCCCCEEEEEHHHCCHHHHHHHHHCCCCEEEECCHHHHHHHHHCCC--CEEEEEC
T ss_conf             69983997299999999999999986799677773120789999999966997499657999999997799--7068854


Q ss_pred             CCCCH---HHHHHHHCCC-CEEEECCCHHHHHHHHHHHCCCCCCEEEEEECCCCCCCCCCCCCCCCCCCCCCH-HH----
Q ss_conf             77780---3478861388-689856720599999986123456148996357744310124557864357427-88----
Q gi|254780741|r   79 VAYKD---CEIDAVLSNC-DTIIFNTVSQLNKFKDKAQKLHKKIGLRINPSVSYSKFILADPNRPFSRLGEKC-KD----  149 (367)
Q Consensus        79 ~~~~~---~el~~a~~~~-~~i~iDs~~El~~i~~~a~~~~~~I~lRinP~~~~~~~~~~~~~~~~skfG~~~-~~----  149 (367)
T Consensus        83 p~v~~~~l~rl~~l~~~~~~~~~vDs~~~~~~l~~~a~~~~~~~~V~Ievd~G------------~~R~Gv~~~~~~~~l  150 (358)
T cd06819          83 EVVGPAKIARLAALARRAPLIVCVDHPDNVRALAAAAVEAGVRLDVLVEIDVG------------QGRCGVPPGEAALAL  150 (358)
T ss_pred             CCCCHHHHHHHHHHHHCCCEEEEEECHHHHHHHHHHHHHCCCCEEEEEEECCC------------CCCCCCCCHHHHHHH
T ss_conf             66897899999999854998999949999999999998659963699997889------------987788886999999


Q ss_pred             ---HHHHHHCCCEEEEECCCC--CCCCHHHHH-------HHHHHHHHHHHHCCCCCEEEEECCC-CCCCCCCCCCHHHHH
Q ss_conf             ---887431496066530565--666147899-------9999999898650887508753377-666445568078999
Q gi|254780741|r  150 ---KIESEIKNVNGLMFHNNC--ENKSFLCFS-------AMLKNIEKEFGHFITQIEWISLGGG-IHFTDKDYPVKDFCQ  216 (367)
Q Consensus       150 ---~~~~~~~~i~Gih~H~gs--~~~~~~~~~-------~~l~~~~~~~~~~~~~l~~idiGGG-~~~~~~~~~~~~~~~  216 (367)
T Consensus       151 a~~I~~~~~l~l~Gi~~y~Gh~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~~g~~~~ivs~GgT~t~~~~~~~-------  223 (358)
T cd06819         151 ARTIAALPGLRFAGLQAYHGHLQHIRDYEERRAAIAEAAEALQATRDALEAAGLPCEIVTGGGTGTYEFEAAS-------  223 (358)
T ss_pred             HHHHHHCCCCEEEECCCCCCHHHCCCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCEEECCCCCCEEEECCC-------
T ss_conf             9999848998062010465333027998999999999999999999999966999855744788750222256-------


Q ss_pred             HHHHHHHHCCCEEEEEHHHHCC-----------------CCCEEEEEEEEEEECCCCCCCCCCCCCCCCCCCCCCCCCCC
Q ss_conf             9998754216504530022014-----------------57418887887863044333433335656566400134553
Q gi|254780741|r  217 RLKEFSEKYSVQIYLEPGEAIV-----------------TNTTTLNTTVLDISENIKNLVIVDSSVEAHVPDYLLYQESA  279 (367)
Q Consensus       217 ~i~~~~~~~~~~l~iEPGR~lv-----------------~~ag~lv~~V~~~K~~~~~~v~vd~g~~~~~~~~~~~~~~~  279 (367)
T Consensus       224 ---------~~~tEl~~G~yvf~D~~y~~~~~~~~~~~~~~Al~V~~~ViS~--p~~~~~~vd~G~k~ls~d~g----~p  288 (358)
T cd06819         224 ---------GVYTELQAGSYVFMDADYGDNEDEGGAPPFENALFVLTTVISA--NAPGRAVVDAGLKSLSVDSG----LP  288 (358)
T ss_pred             ---------CCEEEECCCEEEEECHHHHHHCCCCCCCCCCEEEEEEEEEECC--CCCCCEEECCCCCCCCCCCC----CC
T ss_conf             ---------7337977842996167886411345676665007998677725--78882786477630003678----88


Q ss_pred             CCCCCCCCEEEEEECCCCCCCCEEEECCCCCCCCCCCEEEEECCCCHHHHHCCCCCCCCCCEEEEEECCCCE
Q ss_conf             000247864599862333666455213566778879899996887022324347689988779999679909
Q gi|254780741|r  280 TIYPNTGPYTAMVCGRSCLAGDIFGEFHFEKPVKIGDRISFEDVAGYNINRKNWFNGINMPTIAVKNVDGTI  351 (367)
Q Consensus       280 ~~~~~~~~~~~~v~G~~C~~~D~l~~~~~~~~l~~GD~l~i~~~GAY~~~~~~~Fn~~~~P~~v~~~~~g~~  351 (367)
T Consensus       289 ~~~~~~---~~~v~~-~s~EHg~l~~~~~~~~l~vGd~v~~~P~H~-C~----t~~~~--~~~~vv~~-~~V  348 (358)
T cd06819         289 KVAGRP---GLSYVR-AGDEHGIVELEDGAAPLKIGDRLELVPGHC-DP----TVNLH--DWYVGVRG-GVV  348 (358)
T ss_pred             CCCCCC---CCEEEC-CCCCEEEEECCCCCCCCCCCCEEEEEECCC-CH----HHHHC--CEEEEEEC-CEE
T ss_conf             565899---857940-157500787799878999999999980883-26----37738--98999999-999