HHsearch alignment for GI: 254780604 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=100.00  E-value=0  Score=866.24  Aligned_cols=398  Identities=57%  Similarity=0.975  Sum_probs=390.8

Q ss_pred             CCHHHHHHHHHHHHHHCCCCCEEECCCCCCCCCCCCEEEECCC-CEEEEEECCCCCCCCCCCHHHHHHHHHHHHHHCCCC
Q ss_conf             9878999999999998399753500134555576310231479-868998114474667798899999999999829877
Q gi|254780604|r    1 MDFEKFFKDQINYLHHEKRYRFFTELAYEQYQFPYAIHNSDEG-SRKVTIWCSNDYLGMGKHPKVIENAQRTFEKCGIGA   79 (401)
Q Consensus         1 m~~~~~~~~~l~~~~~~~~~r~~~~~~~~~~~~~~~~~~~~~~-~~~~l~f~sndYLgL~~~p~v~~a~~~a~~~~G~~~   79 (401)
T Consensus         1 mdY~~~f~~~id~~~~egrYR~F~~l~R~ag~FP~A~~~~~~g~~~dVtVWCSNDYLGMgqHp~Vl~Am~~~~~~~GaGa   80 (427)
T TIGR01821         1 MDYDQFFDKEIDKLHQEGRYRVFADLERLAGEFPFAQWHSPDGVKKDVTVWCSNDYLGMGQHPKVLQAMHEALDKVGAGA   80 (427)
T ss_pred             CCHHHHHHHHHHHHHCCCCCCCCCCHHHHHCCCCCCEEECCCCCCEEEEEEECCCHHHCCCCHHHHHHHHHHHHHCCCCC
T ss_conf             96567899987654038985002243635178985134265778101788721213204886547988999999638899


Q ss_pred             CCCHHCCCCCCHHHHHHHHHHHHCCCCCEEEEECCCCCHHHHHCCCCCCCCCEEEEHHHHHHHHHHHHHHHCCCCEEEEC
Q ss_conf             64100027640289999988873499733774056520122202346778872342132111675201453165135316
Q gi|254780604|r   80 GGTRNIAGTNYYHVMLEKELATLHGKKAALIFNSGYIANWATIGTLCSQIDNIICFSDSHNHASIIEGINKARCKKVIWN  159 (401)
Q Consensus        80 ~~sr~~~G~~~~~~~LE~~la~~~g~e~al~~~SG~~An~~~i~~l~~~~d~ii~~~D~~~HaSi~~g~~l~~a~~~~f~  159 (401)
T Consensus        81 GGTRNIsGtn~~~v~LEaELAdLH~KE~ALvFtSgyVaNda~L~tL~k~~P~~~ifSD~LNHASMI~GIr~S~~~k~iFr  160 (427)
T TIGR01821        81 GGTRNISGTNIYHVELEAELADLHGKESALVFTSGYVANDATLATLAKIIPGCVIFSDELNHASMIEGIRRSGAEKFIFR  160 (427)
T ss_pred             CCCCCCCCCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHHHHHHCCCEEEEECCCCHHHHHHHHHHCCCCEEEEE
T ss_conf             87536566777899999999755173113567788999999999999870885898365563569999874789505630


Q ss_pred             CCCHHHHHHHHHHCCCCCCCEEECCCCCCCCCCHHHHHHHHHHHHCCCCEEEECCCCCCCCCCCHHHHHHHHH-------
Q ss_conf             7998898886740663356236216743567733689999998401471899712110012560258999997-------
Q gi|254780604|r  160 HNDLEDLEKNLAATDLSIPKIIIFESIYSMDGDIAPIKEICDLADQYNAITYIDEVHAVGIHGSCGAGISERE-------  232 (401)
Q Consensus       160 HnD~~~Le~~L~~~~~~~~~iIv~e~v~Sm~G~~apL~~l~~l~~~~~~~LivDEAH~~Gv~G~~G~G~~~~~-------  232 (401)
T Consensus       161 HND~~hLe~LL~~~d~~~PKiIAFESvYSMDGd~aPi~eiCDlA~kYGALTy~DEVHAVGlYGprGgGIaErddfeshra  240 (427)
T TIGR01821       161 HNDVAHLEKLLQSVDPNAPKIIAFESVYSMDGDIAPIKEICDLADKYGALTYLDEVHAVGLYGPRGGGIAERDDFESHRA  240 (427)
T ss_pred             CCCHHHHHHHHHHCCCCCCCEEEEEEHCCCCCCCCCHHHHHHHHHHHCCCCEECCEEEECCCCCCCCCCCHHHHCCHHCC
T ss_conf             59978999998647799895688610001678726678896688871886300114653365888885120221100001


Q ss_pred             -H--------------CCCCCCHHHCCCCCCCCCCEEEEECCHHHHHHHHCCCCCCCCCCCCCCHHHHHHHHHHHHHHCC
Q ss_conf             -2--------------0200101101444322223168754844500000133222333444431478899876432012
Q gi|254780604|r  233 -G--------------IMNRITIISGTLAKGFGTFGGYIAASENLCDFIRSFASGFIFSTSLPPAIASASVTSIQYIKQH  297 (401)
Q Consensus       233 -g--------------~~~~~di~~~TlsKa~g~~GG~i~g~~~~~~~l~~~~~~~ifs~~l~p~~~aa~~~al~~l~~~  297 (401)
T Consensus       241 sGiatPktndkGGakt~mhriDii~GTLaKAFG~~GGYIa~~~~L~D~~RS~ApGFIFTTsLPP~~~aGA~asIRhLK~~  320 (427)
T TIGR01821       241 SGIATPKTNDKGGAKTLMHRIDIIEGTLAKAFGVVGGYIAASRKLIDAVRSYAPGFIFTTSLPPAIAAGALASIRHLKES  320 (427)
T ss_pred             CCCCCCCCCCCCCCEECCCCCCCCCCCCHHHCCCCCCEEECCCCCEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHC
T ss_conf             57677765766652001110000016511223444530205522132000037842124215589999999999997513


Q ss_pred             --HHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCEEEEEECCHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCCEEEEECC
Q ss_conf             --016888899998766656644983037898659999689799999999999737909984048888888721899618
Q gi|254780604|r  298 --YDERKKYLERVKQLRHSLENKAIPCIPNESHIIPIMVGDSHKCTQISNILLKEFGIYIQPINYPTVAKKKERLRVTLT  375 (401)
Q Consensus       298 --~~~~~~l~~~~~~l~~~L~~~g~~~~~~~s~Ivpi~~g~~~~~~~~~~~lL~e~Gi~v~~i~~PtVp~g~~rlRi~l~  375 (401)
T Consensus       321 eg~~lR~~hQ~~~~~lK~~L~~~GlPv~~~pSHIvPv~iGdA~~~k~~SD~LL~~hGIYVQpINyPTVpRG~ERLRitPt  400 (427)
T TIGR01821       321 EGQDLRRAHQERVKRLKKLLEALGLPVIDNPSHIVPVIIGDAAKCKKVSDLLLNKHGIYVQPINYPTVPRGTERLRITPT  400 (427)
T ss_pred             CCHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCEEEEEEECCHHHHHHHHHHHHHHCCCEEECCCCCCCCCCCCCCCCCCC
T ss_conf             76778999989999999999957777548877388767668688989989888717815712688889887502442688


Q ss_pred             CCCCHHHHHHHHHHHHHHHHHHH
Q ss_conf             57999999999999999999743
Q gi|254780604|r  376 PLHTDSDIEHLVSSLENVWQKMN  398 (401)
Q Consensus       376 a~ht~edid~~~~~l~~v~~~l~  398 (401)
T Consensus       401 P~H~~~~id~Lv~AL~~~w~~l~  423 (427)
T TIGR01821       401 PVHTDKLIDDLVEALLLVWDRLG  423 (427)
T ss_pred             CCCCHHHHHHHHHHHHHHHHHHC
T ss_conf             89887789999999999988613