>cd06827 PLPDE_III_AR_proteobact Type III Pyridoxal 5-phosphate (PLP)-Dependent Enzymes, Proteobacterial Alanine Racemases. This subfamily is composed mainly of proteobacterial alanine racemases (EC 5.1.1.1), fold type III PLP-dependent enzymes that catalyze the interconversion between L- and D-alanine, which is an essential component of the peptidoglycan layer of bacterial cell walls. hese proteins are similar to other bacterial ARs and are fold type III PLP-dependent enzymes containing contains an N-terminal PLP-binding TIM-barrel domain and a C-terminal beta-sandwich domain. They exist 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. Homodimer formation and the presence of the PLP cofactor are required for catalytic activity.

Probab=99.31 E-value=2.7e-11 Score=97.27 Aligned_cols=202 Identities=16% Similarity=0.168 Sum_probs=134.5 Q ss_pred HHHHHHHHHHHHHHHCCCCHHHCEEEEECC----CCCHHHHHHHHHCCCCCCCCCCCHHHHHHHHCCCCCCCCCEEEECC Q ss_conf 999999999999998198964418998718----9999999999972981000121000111100000125873023024 Q gi|254780801|r 6 KLQVFKQKIENSAILAKRPKDSVSLVAVSK----MVDSKKIRVALSCGQVIFAENKLQEAKKKWIPLRKEWDVQLRFIGS 81 (222) Q Consensus 6 nl~~i~~~I~~a~~~~gR~~~~v~LiaVtK----~~~~e~I~~~~~~G~~~fGENrvQE~~~K~~~l~~~~~i~wHfIG~ 81 (222) T Consensus 7 dl~al~~N~~~ir~~~---~-~~~i~aVVKAnAYGhG~~~va~~l-~~~~~faVa~~~Ea~~LR~~g~~-~~I-lvL~g~ 79 (354) T cd06827 7 DLAALRHNLRLVRELA---P-NSKILAVVKANAYGHGLVRVAKAL-ADADGFAVACIEEALALREAGIT-KPI-LLLEGF 79 (354) T ss_pred EHHHHHHHHHHHHHHC---C-CCEEEEEEEECCCCCCHHHHHHHH-HCCCEEEEEEHHHHHHHHHCCCC-CCE-EEEECC T ss_conf 7999999999999768---9-983999998463648699999998-56997999489999999973999-866-999378 Q ss_pred CCCCHHHHHCCCCHHCCCCCCCCHHHHHHHHHHHHCCCEEEEEEEECCCCCCCCCCCCCHHHHHHHHHHCCCCCCHHHHE Q ss_conf 43200132011100001222220013443333331143036889700466563465700012223443104311001110 Q gi|254780801|r 82 LQSNKVSEIVSLFDVIETVSREKTASLLSLEMIKQSRFLPVYIQVNTGYEIQKSGIMPNQTKDFVILCRQKYQLNVEGLM 161 (222) Q Consensus 82 LQsNKvk~i~~~~~~Ihsvds~~~a~~L~~~~~~~~~~~~vliQVN~~~e~~K~G~~p~el~~l~~~i~~~~~L~i~GLM 161 (222) T Consensus 80 ~~~~~~~~~~~-~~l~~~i~s~~~l~~l~~~--~~~~~~~vhlkiDTG--M~RlG~~~~e~~~~~~~l~~~~~l~~~gi~ 154 (354) T cd06827 80 FSADELPLAAE-YNLWTVVHSEEQLEWLEQA--ALSKPLNVWLKLDSG--MHRLGFSPEEYAAAYQRLKASPNVASIVLM 154 (354) T ss_pred CCHHHHHHHHH-CCCEEEECCHHHHHHHHHH--CCCCCCEEEEEECCC--CCCCCCCHHHHHHHHHHHHHCCCCCEEEEE T ss_conf 99899999998-4998999989999999862--848995499997578--885789989999999999858998568998 Q ss_pred ECCCCCCCC-----HHHHHHHHHHHHHCCCCEECCCCCHHHHHHHHHCCCEEEECHHHCCCCCC Q ss_conf 115433452-----05899999998875894722477734899998089889971132389999 Q gi|254780801|r 162 CIPPAMGNP-----KPHFYLLSEIARECKLTKLSMGMTRDFELAIASGATSVRIGSGIFGERPC 220 (222) Q Consensus 162 ti~p~~~d~-----~~~F~~l~~l~~~~~~~~LSmGMS~D~~~Ai~~Gst~vRiGs~iFG~R~~ 220 (222) T Consensus 155 SHfa~AD~~~~~~t~~Q~~~F~~~~~~~~~~-~h~aNSa~~l~~~~~~~d~VR~Gi~lYG~~P~ 217 (354) T cd06827 155 THFACADEPDSPGTAKQLAIFEQATAGLPGP-RSLANSAAILAWPEAHGDWVRPGIMLYGASPF 217 (354) T ss_pred EECCCCCCCCCHHHHHHHHHHHHHHCCCCCC-EEEECCHHHHCCCCCCCCEECCCEEEECCCCC T ss_conf 4024578888789999999999997148866-66717887745952247723467461568877

HHsearch alignment for GI: 254780801 and conserved domain: cd06827