HHsearch alignment for GI: 254780486 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=806.21  Aligned_cols=374  Identities=31%  Similarity=0.502  Sum_probs=349.2

Q ss_pred             CCCCHHHHHHHHHHHHHHCCCEEEEC-----------------CC--CEEEECCCCCCCCCCCCHHHHHHHHHHHHHHCC
Q ss_conf             98865789999999999759839992-----------------89--768980344656677988999999999986378
Q gi|254780486|r    1 MKNIQMSFYEERLQKIKSKGRHRQLL-----------------RR--QDIWDFTSHDYLALSSSTLLREKILSSLDSKIP   61 (381)
Q Consensus         1 m~~~~~~~~~~~l~~~~~~g~~~~~~-----------------~~--~~~l~f~s~dYLGl~~~p~v~~a~~~a~~~~~g   61 (381)
T Consensus         1 mdY~--~~f~~~id~~~~egrYR~F~~l~R~ag~FP~A~~~~~~g~~~dVtVWCSNDYLGMgqHp~Vl~Am~~~~~-~~G   77 (427)
T TIGR01821         1 MDYD--QFFDKEIDKLHQEGRYRVFADLERLAGEFPFAQWHSPDGVKKDVTVWCSNDYLGMGQHPKVLQAMHEALD-KVG   77 (427)
T ss_pred             CCHH--HHHHHHHHHHHCCCCCCCCCCHHHHHCCCCCCEEECCCCCCEEEEEEECCCHHHCCCCHHHHHHHHHHHH-HCC
T ss_conf             9656--7899987654038985002243635178985134265778101788721213204886547988999999-638


Q ss_pred             CCCCCCCCCCCCCHHHHHHHHHHHHHCCCCCEEEECCCCHHHHHHHHHHCC--CCCCCCHHHHCCHHHHHHHHHCCCCCE
Q ss_conf             688722443688589999999984012888516741660245655666316--897100454202677526664087640
Q gi|254780486|r   62 IGSGGSRLLCGNYNQHLELEEEAADFFGFEKMLYFGSGYAANMAILSTLPQ--ATDLIVYDKLVHASIREGINSGKAQAI  139 (381)
Q Consensus        62 ~~~~~sr~~~G~~~~~~~lE~~lA~~~g~e~al~~~sG~~An~~~i~~l~~--~~d~ii~D~~~HaSi~~g~~ls~a~~~  139 (381)
T Consensus        78 aGaGGTRNIsGtn~~~v~LEaELAdLH~KE~ALvFtSgyVaNda~L~tL~k~~P~~~ifSD~LNHASMI~GIr~S~~~k~  157 (427)
T TIGR01821        78 AGAGGTRNISGTNIYHVELEAELADLHGKESALVFTSGYVANDATLATLAKIIPGCVIFSDELNHASMIEGIRRSGAEKF  157 (427)
T ss_pred             CCCCCCCCCCCCCHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHHHHHHCCCEEEEECCCCHHHHHHHHHHCCCCEE
T ss_conf             89987536566777899999999755173113567788999999999999870885898365563569999874789505


Q ss_pred             EECCCCHHHHHHHHHHHHHCCCCCCCEEEECCCCCCCCCHHHHHHHHHHHHHCCEEEEECCCCCCCCCCCCCCEEEEEH-
Q ss_conf             3056881478997643100024786079714621576613468999998631360898613112223477764011000-
Q gi|254780486|r  140 AIPHNNINSFAENINKWRKSGGKGFPWIVVESIYSMDGDKAPLDDLVKIANDYDGFIVVDEAHATGVCGPLGKGLTHII-  218 (381)
Q Consensus       140 ~f~HnD~~~Le~~l~~~~~~~~~~~~~vv~egv~Sm~G~~apL~~i~~l~~~y~~~LivDEah~~Gv~G~~G~G~~~~~-  218 (381)
T Consensus       158 iFrHND~~hLe~LL~~~d~~~PK---iIAFESvYSMDGd~aPi~eiCDlA~kYGALTy~DEVHAVGlYGprGgGIaErdd  234 (427)
T TIGR01821       158 IFRHNDVAHLEKLLQSVDPNAPK---IIAFESVYSMDGDIAPIKEICDLADKYGALTYLDEVHAVGLYGPRGGGIAERDD  234 (427)
T ss_pred             EEECCCHHHHHHHHHHCCCCCCC---EEEEEEHCCCCCCCCCHHHHHHHHHHHCCCCEECCEEEECCCCCCCCCCCHHHH
T ss_conf             63059978999998647799895---688610001678726678896688871886300114653365888885120221


Q ss_pred             -------H--------------CCCCC-CCCCCCCCCCCCEEEEEECCCCCCCCCCCCCCCEECCCCCCCCHHHHHHHHH
Q ss_conf             -------0--------------13465-2100134656530267524510010000121100001357750257898878
Q gi|254780486|r  219 -------E--------------ERNNV-IVMHSCSKALGSSGALVGSNKIIYDYLINYAKPFIYTTSPSPILAVVACEAL  276 (381)
Q Consensus       219 -------~--------------~~~~~-iv~~TlsKa~g~~GG~i~~~~~ii~~l~~~~~~~ifst~l~P~~~aaa~aal  276 (381)
T Consensus       235 feshrasGiatPktndkGGakt~mhriDii~GTLaKAFG~~GGYIa~~~~L~D~~RS~ApGFIFTTsLPP~~~aGA~asI  314 (427)
T TIGR01821       235 FESHRASGIATPKTNDKGGAKTLMHRIDIIEGTLAKAFGVVGGYIAASRKLIDAVRSYAPGFIFTTSLPPAIAAGALASI  314 (427)
T ss_pred             CCHHCCCCCCCCCCCCCCCCEECCCCCCCCCCCCHHHCCCCCCEEECCCCCEEEEEECCCCCHHHHHHHHHHHHHHHHHH
T ss_conf             10000157677765766652001110000016511223444530205522132000037842124215589999999999


Q ss_pred             HHHHHC--CCHHHHHHHHHHHHHH-HHHCCCCC-CCCCCEEEEEECCHHHHHHHHHHHHH-CCEEEEEECCCCCCCCCCE
Q ss_conf             988627--1022478999999998-76417978-99897289995897999999999997-7918986228888888703
Q gi|254780486|r  277 KLIKRK--PALHKSLLQLINITDK-IANKKIGF-SSQSHIQSIVIGDNKSCLNIAKNLQK-KGFDIRAIRPPTVPINTAR  351 (381)
Q Consensus       277 ~~l~~~--~~~~~~l~~~~~~~~~-~~~~~~g~-~~~s~I~~v~~gd~~~a~~~~~~L~~-~Gi~v~~i~~PtVp~~~~r  351 (381)
T Consensus       315 RhLK~~eg~~lR~~hQ~~~~~lK~~L~~~GlPv~~~pSHIvPv~iGdA~~~k~~SD~LL~~hGIYVQpINyPTVpRG~ER  394 (427)
T TIGR01821       315 RHLKESEGQDLRRAHQERVKRLKKLLEALGLPVIDNPSHIVPVIIGDAAKCKKVSDLLLNKHGIYVQPINYPTVPRGTER  394 (427)
T ss_pred             HHHHHCCCHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCEEEEEEECCHHHHHHHHHHHHHHCCCEEECCCCCCCCCCCCC
T ss_conf             99751376778999989999999999957777548877388767668688989989888717815712688889887502


Q ss_pred             EEEECCCCCCHHHHHHHHHHHHHHHHHHC
Q ss_conf             99962878999999999999999988738
Q gi|254780486|r  352 LRISITLNVDEPTIVKLFDILPQIISEGN  380 (381)
Q Consensus       352 lRi~v~a~~t~edi~~~~~~l~~v~~E~~  380 (381)
T Consensus       395 LRitPtP~H~~~~id~Lv~AL~~~w~~l~  423 (427)
T TIGR01821       395 LRITPTPVHTDKLIDDLVEALLLVWDRLG  423 (427)
T ss_pred             CCCCCCCCCCHHHHHHHHHHHHHHHHHHC
T ss_conf             44268889887789999999999988613