HHsearch alignment for GI: 254780486 and conserved domain: TIGR02326
>TIGR02326 transamin_PhnW 2-aminoethylphosphonate--pyruvate transaminase; InterPro: IPR012703 Phosphonates are a class of organophosphorus compounds, characterised by a stable C-P bond, which are found in a variety of biologically produced molecules including antiobiotics, lipids, proteins and polysaccharides . The functions of these molecules include phosphorus storage, cell communication, host recognition and chemical warfare. 2-Aminoethylphosphonate (AEP), the most common naturally occurring phosphonate, is an important precursor used in the biosynthesis of phosphonolipids, phosphonoproteins, and phosphonoglycans. This entry represents 2-aminoethylphosphonate-pyruvate transaminase (AEPT)(2.6.1.37 from EC) which catalyses the interconversion of AEP and phosphonoacetaldehyde (P-Ald), coupled with the interconversion of pryuvate and L-alanine. In some bacterial species this is the first step in an AEP degradation pathway which allows them to utilise this compound as a source of carbon, nitrogen and phosphorus. Phosphonoacetaldeyhde hydrolase, often encoded by an adjacent gene, then converts P-Ald to acetaldehyde and phosphate.Species with this pathway generally have an identified phosphonate ABC transporter but do not also have the multisubunit C-P lyase complex as found in Escherichia coli. The crystal structure of AEPT from Salmonella typhimurium has been studied to 2.2 A resolution . The protein is a homodimer where each subunit is composed of two domains, large and small. The large domain forms an alpha-beta complex characteristic of the aspartate transaminase family, while the small domain is comosed of highly twisted beta strands. The active site contains a pyridoxal 5'-phosphate cofactor and is found at the domain interface, being composed of residues from both subunits..
Probab=99.26 E-value=6.8e-09 Score=75.59 Aligned_cols=302 Identities=16% Similarity=0.176 Sum_probs=185.3
Q ss_pred CCCCHHHHHHHHHHHHHHCCCCCCCCCCCCCCCH-HHHHHHHHHHHHCCCC-----CEEEECCCCHHHHHHHHHHCC-CC
Q ss_conf 7798899999999998637868872244368858-9999999984012888-----516741660245655666316-89
Q gi|254780486|r 42 LSSSTLLREKILSSLDSKIPIGSGGSRLLCGNYN-QHLELEEEAADFFGFE-----KMLYFGSGYAANMAILSTLPQ-AT 114 (381)
Q Consensus 42 l~~~p~v~~a~~~a~~~~~g~~~~~sr~~~G~~~-~~~~lE~~lA~~~g~e-----~al~~~sG~~An~~~i~~l~~-~~ 114 (381)
T Consensus 12 LtTs~~vk~aM----l~D~Ct------WD~dYn~~~~~~ir~~L~~la~~~~~~YT~VllQGSGtf~VEA~iGs~~pr~~ 81 (366)
T TIGR02326 12 LTTSKTVKEAM----LVDWCT------WDSDYNEDVVESIRQKLLKLATAEEEKYTTVLLQGSGTFAVEAVIGSAVPRKD 81 (366)
T ss_pred CCHHHHHHHHH----HCCCCC------CCHHHHHHHHHHHHHHHHHHHHCCCCCEEEEEECCCCHHHHHHHHHCCCCCCC
T ss_conf 63006888866----210458------71553136799999999998606898546786127512555665411247889
Q ss_pred CC-CCHHHHCCHHHHHHHHHCC------CCCEEEC-----CCCHHHHHHHHHHHHHCCCCCCCEEEECCCCCCCCCHHHH
Q ss_conf 71-0045420267752666408------7640305-----6881478997643100024786079714621576613468
Q gi|254780486|r 115 DL-IVYDKLVHASIREGINSGK------AQAIAIP-----HNNINSFAENINKWRKSGGKGFPWIVVESIYSMDGDKAPL 182 (381)
Q Consensus 115 d~-ii~D~~~HaSi~~g~~ls~------a~~~~f~-----HnD~~~Le~~l~~~~~~~~~~~~~vv~egv~Sm~G~~apL 182 (381)
T Consensus 82 ~klLv~~NGA-----YG~R~~~ia~~l~i~~~~~~~~E~~~~~~~~ve~~L~~dp~ItH--~A~vHcET---tTGiLNPi 151 (366)
T TIGR02326 82 GKLLVVINGA-----YGKRIAQIAEYLQIPHHVVETEENEPTNVVEVEAILAADPAITH--VALVHCET---TTGILNPI 151 (366)
T ss_pred CEEEEEECCC-----HHHHHHHHHHHHCCCEEEEECCCCCCCCHHHHHHHHHCCCCCEE--EEEEECCC---CCCCCCHH
T ss_conf 7389971785-----34789999998478616751587777788999999851897127--88983675---26621128
Q ss_pred HHHHHHHHHCCEEEEECCCCCCCCCCCCCCEEEEEHHCCCCCCCCCCCCCCC-CCEE-EEEECCCCCCC-----------
Q ss_conf 9999986313608986131122234777640110000134652100134656-5302-67524510010-----------
Q gi|254780486|r 183 DDLVKIANDYDGFIVVDEAHATGVCGPLGKGLTHIIEERNNVIVMHSCSKAL-GSSG-ALVGSNKIIYD----------- 249 (381)
Q Consensus 183 ~~i~~l~~~y~~~LivDEah~~Gv~G~~G~G~~~~~~~~~~~iv~~TlsKa~-g~~G-G~i~~~~~ii~----------- 249 (381)
T Consensus 152 ~~~~~~~~~hGk~~ivDAMSSfG-------gi~idi~~l~~D~LIssanKCi~GVPGfgFviA~~~~L~~~~g~arSLsL 224 (366)
T TIGR02326 152 EAVAKVAKRHGKVTIVDAMSSFG-------GIPIDIAELDIDYLISSANKCIQGVPGFGFVIAKQAELEKCAGNARSLSL 224 (366)
T ss_pred HHHHHHHHHCCCEEEEECCCCCC-------CCHHHHHHHCCCEEEECCCCCCCCCCCHHHHHHHHHHHHHHCCCCCHHHH
T ss_conf 99999998559779985341137-------60011643256763523478133768436677689999862043210235
Q ss_pred -------CCCCCCCCEECCCCCCCCHHHHHHHHHHHHHHCC---CHHHHHHHHHHHHHHHHHCCCCCC------CCCCEE
Q ss_conf -------0001211000013577502578988789886271---022478999999998764179789------989728
Q gi|254780486|r 250 -------YLINYAKPFIYTTSPSPILAVVACEALKLIKRKP---ALHKSLLQLINITDKIANKKIGFS------SQSHIQ 313 (381)
Q Consensus 250 -------~l~~~~~~~ifst~l~P~~~aaa~aal~~l~~~~---~~~~~l~~~~~~~~~~~~~~~g~~------~~s~I~ 313 (381)
T Consensus 225 DLydQw~~M~~~~GkWRFT--sPTHvV~Af~qAL~el~~EGGv~aR~~RY~~nq~~L~~-~m~~LGF~~ll~~~~~sPII 301 (366)
T TIGR02326 225 DLYDQWECMEKQHGKWRFT--SPTHVVHAFAQALLELEKEGGVEARYQRYQSNQKLLVA-GMRALGFEPLLDDELQSPII 301 (366)
T ss_pred HHHHHHHHHHCCCCCEEEC--CCHHHHHHHHHHHHHHHHCCCCCHHHHHHHHHHHHHHH-HHHHCCCCCCCCHHHCCCEE
T ss_conf 4899999964489962217--72689999999999998458974578999999999999-99861551147543458868
Q ss_pred EEEE-CC-H-HHHHHHHHHHHHCCEEEEEECCCCCCCCCCEEEE-ECCCCCCHHHHHHHHHHHHHHHHH
Q ss_conf 9995-89-7-9999999999977918986228888888703999-628789999999999999999887
Q gi|254780486|r 314 SIVI-GD-N-KSCLNIAKNLQKKGFDIRAIRPPTVPINTARLRI-SITLNVDEPTIVKLFDILPQIISE 378 (381)
Q Consensus 314 ~v~~-gd-~-~~a~~~~~~L~~~Gi~v~~i~~PtVp~~~~rlRi-~v~a~~t~edi~~~~~~l~~v~~E 378 (381)
T Consensus 302 tsF~~P~~~~y~F~~fY~~lk~~GFviYPGKv----s~~~~FRiG~IG-~V~~~di~~l~~~I~~~~~~ 365 (366)
T TIGR02326 302 TSFYSPEDPDYRFADFYQRLKEQGFVIYPGKV----SQVDTFRIGNIG-DVDAADIERLVTAIGKALYL 365 (366)
T ss_pred EEEECCCCCCCHHHHHHHHHHHCCCEECCCCC----CCCCCEECCCCC-CCCHHHHHHHHHHHHHHHHC
T ss_conf 98507788971389999999767817627610----456621116767-63889999999999987504