HHsearch alignment for GI: 254781020 and conserved domain: cd00408

>cd00408 DHDPS-like Dihydrodipicolinate synthase family. A member of the class I aldolases, which use an active-site lysine which stablilzes a reaction intermediate via Schiff base formation, and have TIM beta/alpha barrel fold. The dihydrodipicolinate synthase family comprises several pyruvate-dependent class I aldolases that use the same catalytic step to catalyze different reactions in different pathways and includes such proteins as N-acetylneuraminate lyase, MosA protein, 5-keto-4-deoxy-glucarate dehydratase, trans-o-hydroxybenzylidenepyruvate hydratase-aldolase, trans-2'-carboxybenzalpyruvate hydratase-aldolase, and 2-keto-3-deoxy- gluconate aldolase. The family is also referred to as the N-acetylneuraminate lyase (NAL) family.
Probab=95.78  E-value=0.08  Score=29.11  Aligned_cols=117  Identities=16%  Similarity=0.175  Sum_probs=64.9

Q ss_pred             HHHHHHHHHCCCEEEECCCCHHHHHHHCCCCCHHHHHHHHHHHHHHCCCCEEEEEC----CCCCCHHHHHHHHHCCCCEE
Q ss_conf             99987765089857625320356652068852430799999999873997178504----78668899999997699799
Q gi|254781020|r  136 KAHQAVHVLGADGLFLHLNPLQEIIQPNGNTNFADLSSKIALLSSAMDVPLLLKEV----GCGLSSMDIELGLKSGIRYF  211 (337)
Q Consensus       136 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~i~~l~~~~~~pii~k~v----~~~~~~~~~~~a~~aGad~i  211 (337)
T Consensus        83 ~~a~~a~~~Gad~i~v~pP~y~-------~~~~~~i~~~~~~i~~~~~~pi~iYn~P~~~g~~l~~~~l~~L~~~--~nv  153 (281)
T cd00408          83 ELARHAEEAGADGVLVVPPYYN-------KPSQEGIVAHFKAVADASDLPVILYNIPGRTGVDLSPETIARLAEH--PNI  153 (281)
T ss_pred             HHHHHHHHCCCCEEEECCCCCC-------CCCHHHHHHHHHHHHHCCCCCEEEEECCCCCCCCCCHHHHHHHHCC--CCE
T ss_conf             9999999759998998799777-------8999999999999985559977997277531677689999998489--998


Q ss_pred             EECCCCCCCCCCHHHHCCCCCCCCHHHHHCCCCHHHHHHHHHHHCCCCEEEECCCCCCHHHHHHHHHHCCCEEHHHHH
Q ss_conf             945888865100123102344323244310634688999998522898799729888889999999838885233479
Q gi|254781020|r  212 DIAGRGGTSWSRIESHRDLESDIGIVFQDWGIPTPLSLEMARPYCNEAQFIASGGLRNGVDILKSIILGASLGGLASP  289 (337)
Q Consensus       212 ~v~~~gG~~~~~~~~~r~~~~~~~~~~~~~gi~~~~al~~~~~~~~~v~IiadGGIr~g~Dv~kAlalGAdaV~iGr~  289 (337)
T Consensus       154 ~giK~s~-------------~---------d~~~~~~~--~~~~~~~~~v~-~G~---d~~~~~~l~~G~~G~i~~~~  203 (281)
T cd00408         154 VGIKDSS-------------G---------DLDRLTRL--IALLGPDFAVL-SGD---DDLLLPALALGADGAISGAA  203 (281)
T ss_pred             EEEECCC-------------C---------CHHHHHHH--HHHCCCCCEEE-CCC---HHHHHHHHHCCCCCEEECHH
T ss_conf             9998488-------------9---------99999999--99759970562-696---68899998728981440242