HHsearch alignment for GI: 254780488 and conserved domain: TIGR01821

>TIGR01821 5aminolev_synth 5-aminolevulinic acid synthase; InterPro: IPR010961 Tetrapyrroles are large macrocyclic compounds derived from a common biosynthetic pathway . The end-product, uroporphyrinogen III, is used to synthesise a number of important molecules, including vitamin B12, haem, sirohaem, chlorophyll, coenzyme F430 and phytochromobilin . The first stage in tetrapyrrole synthesis is the synthesis of 5-aminoaevulinic acid ALA via two possible routes: (1) condensation of succinyl CoA and glycine (C4 pathway) using ALA synthase (2.3.1.37 from EC), or (2) decarboxylation of glutamate (C5 pathway) via three different enzymes, glutamyl-tRNA synthetase (6.1.1.17 from EC) to charge a tRNA with glutamate, glutamyl-tRNA reductase (1.2.1.70 from EC) to reduce glutamyl-tRNA to glutamate-1-semialdehyde (GSA), and GSA aminotransferase (5.4.3.8 from EC) to catalyse a transamination reaction to produce ALA. The second stage is to convert ALA to uroporphyrinogen III, the first macrocyclic tetrapyrrolic structure in the pathway. This is achieved by the action of three enzymes in one common pathway: porphobilinogen (PBG) synthase (or ALA dehydratase, 4.2.1.24 from EC) to condense two ALA molecules to generate porphobilinogen; hydroxymethylbilane synthase (or PBG deaminase, 2.5.1.61 from EC) to polymerise four PBG molecules into preuroporphyrinogen (tetrapyrrole structure); and uroporphyrinogen III synthase (4.2.1.75 from EC) to link two pyrrole units together (rings A and D) to yield uroporphyrinogen III. Uroporphyrinogen III is the first branch point of the pathway. To synthesise cobalamin (vitamin B12), sirohaem, and coenzyme F430, uroporphyrinogen III needs to be converted into precorrin-2 by the action of uroporphyrinogen III methyltransferase (2.1.1.107 from EC). To synthesise haem and chlorophyll, uroporphyrinogen III needs to be decarboxylated into coproporphyrinogen III by the action of uroporphyrinogen III decarboxylase (4.1.1.37 from EC) . This entry represents 5-aminoaevulinic acid (ALA) synthase (2.3.1.37 from EC), which catalyses the first stage of tetrapyrrole biosynthesis by the C4 pathway, namely the condensation of succinyl CoA and glycine. ALA synthase is a pyridoxal-phosphate-dependent enzyme. During catalysis, glycine initially binds to the enzyme cofactor, and after condensation with succinyl CoA, CoA, carbon dioxide and 5-aminolevulinic acid are produced .; GO: 0003870 5-aminolevulinate synthase activity, 0030170 pyridoxal phosphate binding, 0033014 tetrapyrrole biosynthetic process.
Probab=99.68  E-value=2.3e-15  Score=123.88  Aligned_cols=332  Identities=16%  Similarity=0.144  Sum_probs=205.0

Q ss_pred             EEEEEEEECCCCEEEECHHHHHHHCCCCCCHHHHHHHHHHHHHHCCHH----CCCCCCHHHHHHHHHHHHHCCCCCCCEE
Q ss_conf             213289968987646410237753678789999999999998522010----2456897899999999972037864111
Q gi|254780488|r   29 TEGSYLIDENHDKIIDAISSWWVITHGHRHPIIMNAIRSASENYDQII----FSEYTHEPAEQLARLLIKIAPLGLQYVF  104 (423)
Q Consensus        29 ~~G~~l~d~dG~~~lD~~~g~~~~~lGh~~~~i~~a~~~q~~~~~~~~----~~~~~~~~~~~la~~l~~~~p~~~~~v~  104 (423)
T Consensus        45 ~~dVtVWCS--NDYL----GMg------qHp~Vl~Am~~~~~~~GaGaGGTRNIsGtn~~~v~LEaELAdLH~K--E~AL  110 (427)
T TIGR01821        45 KKDVTVWCS--NDYL----GMG------QHPKVLQAMHEALDKVGAGAGGTRNISGTNIYHVELEAELADLHGK--ESAL  110 (427)
T ss_pred             CEEEEEEEC--CCHH----HCC------CCHHHHHHHHHHHHHCCCCCCCCCCCCCCCHHHHHHHHHHHHHCCC--CHHH
T ss_conf             101788721--2132----048------8654798899999963889987536566777899999999755173--1135


Q ss_pred             ECCCCCCHHHHHHHHHHHCCCCCCCCCCEEEEEECCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCEECCCCCCCCCCCC
Q ss_conf             02654202567777643001334433211343202566532112343223333332223445421000122222221111
Q gi|254780488|r  105 FSDSGSTSIEVALKMALGFFNNNNMPRNKIVVMEHGYHGDTIGSMSVSMRGAFNNSYEPLLFDVETIPFPHHNEEQKTLD  184 (423)
Q Consensus       105 f~~SGsEA~e~Alklar~~~~~~~~~r~~ii~~~~~yHG~t~~a~s~s~~~~~~~~~~p~~~~~~~i~~~~~~~~~~~l~  184 (423)
T Consensus       111 vFtSgyVaNda~L~tL~k~-----~--P~~~ifS---------------D~LNHAS---MI~GIr~S~~~k~iFrHND~~  165 (427)
T TIGR01821       111 VFTSGYVANDATLATLAKI-----I--PGCVIFS---------------DELNHAS---MIEGIRRSGAEKFIFRHNDVA  165 (427)
T ss_pred             HHHHHHHHHHHHHHHHHHH-----C--CCEEEEE---------------CCCCHHH---HHHHHHHCCCCEEEEECCCHH
T ss_conf             6778899999999999987-----0--8858983---------------6556356---999987478950563059978


Q ss_pred             HHHHHCCCCCEE---EEECCCCCCCCCCCCCCCCCCCCEEECCCCCCCCEECCCCCCCCCCCCCCCC--CCCCC------
Q ss_conf             012212775113---4311655432112222333211001101112342000122124444555431--12233------
Q gi|254780488|r  185 DLEKHCSTQKIA---AFLVEPLILGAGGMQTYRPYILKEFMRITKKYDTLLIADEVMTGWGRTGKIF--ACNHA------  253 (423)
Q Consensus       185 ~l~~~~~~~~ia---avi~EP~i~~~gG~~~~~~~~l~~lr~lc~~~g~llI~DEV~tG~GRtG~~~--a~~~~------  253 (423)
T Consensus       166 hLe~LL~~~d~~~PKiIAFES-vYSMDGd~aP----i~eiCDlA~kYGALTy~DEVHA-VGlYGprGgGIaErddfeshr  239 (427)
T TIGR01821       166 HLEKLLQSVDPNAPKIIAFES-VYSMDGDIAP----IKEICDLADKYGALTYLDEVHA-VGLYGPRGGGIAERDDFESHR  239 (427)
T ss_pred             HHHHHHHHCCCCCCCEEEEEE-HCCCCCCCCC----HHHHHHHHHHHCCCCEECCEEE-ECCCCCCCCCCCHHHHCCHHC
T ss_conf             999998647799895688610-0016787266----7889668887188630011465-336588888512022110000


Q ss_pred             --C--------------C--CCCEE--ECCCCCCCCCCCCCC-CCCCHHHHHHHCCCCCCCCCCCCCCCCCCCCCHHHHH
Q ss_conf             --4--------------4--44202--013443322234443-3224013210001222222223333322221001100
Q gi|254780488|r  254 --D--------------I--TPDIL--CLSKGITGGALPLAA-TLCSEEIFDSHLSSDKKKTFFHSSSYTANPIACAAAL  312 (423)
Q Consensus       254 --g--------------i--~PDi~--~~gK~l~gG~~pisa-v~~~~~i~~~~~~~~~~~~~~h~~T~~gnpl~~aaa~  312 (423)
T Consensus       240 asGiatPktndkGGakt~mhriDii~GTLaKAFG~----~GGYIa~~~~L~D~~RS~---ApGFIFTT-sLPP~~~aGA~  311 (427)
T TIGR01821       240 ASGIATPKTNDKGGAKTLMHRIDIIEGTLAKAFGV----VGGYIAASRKLIDAVRSY---APGFIFTT-SLPPAIAAGAL  311 (427)
T ss_pred             CCCCCCCCCCCCCCCEECCCCCCCCCCCCHHHCCC----CCCEEECCCCCEEEEEEC---CCCCHHHH-HHHHHHHHHHH
T ss_conf             15767776576665200111000001651122344----453020552213200003---78421242-15589999999


Q ss_pred             CCHHHCCCCC-CCCCCC--CHHHHHHHHHHHHHHCCCEEEECCCCCEEEEEECCCCCCCCCHHHHHHHHHHHH-CCEEEE
Q ss_conf             0000000112-332221--002678989999751897777745533999997068766641068999999997-885999
Q gi|254780488|r  313 ANLQIWEKEP-VIERIK--NLERMHADRLSLLKSNKKFVNIRQMGTIVALDFNVQNKGYFFDKNAKLKNFFRE-KKILIR  388 (423)
Q Consensus       313 a~L~~i~~~~-l~~~~~--~~g~~l~~~l~~L~~~~~v~~vrG~Gl~~~iel~~~~~~~~~~~~~~l~~~l~~-~Gil~~  388 (423)
T Consensus       312 asIRhLK~~eg~~lR~~hQ~~~~~lK~~L~~~G-lPv~~~----pSHI-vPv~i----GdA~~~k~~SD~LL~~hGIYVQ  381 (427)
T TIGR01821       312 ASIRHLKESEGQDLRRAHQERVKRLKKLLEALG-LPVIDN----PSHI-VPVII----GDAAKCKKVSDLLLNKHGIYVQ  381 (427)
T ss_pred             HHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHCC-CCCCCC----CCEE-EEEEE----CCHHHHHHHHHHHHHHCCCEEE
T ss_conf             999997513767789999899999999999577-775488----7738-87676----6868898998988871781571


Q ss_pred             EC--------CCEEEECCCCCCCHHHHHHHHHHHHHHHHHHCC
Q ss_conf             51--------998995689878799999999999999987559
Q gi|254780488|r  389 PL--------GHIMYLMPPYCITATDLDHIYNTINEAVDFLEL  423 (423)
Q Consensus       389 ~~--------gn~i~l~Ppl~it~~eId~~l~~l~~aL~~lel  423 (423)
T Consensus       382 pINyPTVpRG~ERLRitPtP~H~~~~id~Lv~AL~~~w~~l~l  424 (427)
T TIGR01821       382 PINYPTVPRGTERLRITPTPVHTDKLIDDLVEALLLVWDRLGL  424 (427)
T ss_pred             CCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHCC
T ss_conf             2688889887502442688898877899999999999886132