HHsearch alignment for GI: 254780451 and conserved domain: TIGR00170
>TIGR00170 leuC 3-isopropylmalate dehydratase, large subunit; InterPro: IPR004430 3-isopropylmalate dehydratase (or isopropylmalate isomerase; 4.2.1.33 from EC) catalyses the stereo-specific isomerisation of 2-isopropylmalate and 3-isopropylmalate, via the formation of 2-isopropylmaleate. This enzyme performs the second step in the biosynthesis of leucine, and is present in most prokaryotes and many fungal species. The prokaryotic enzyme is a heterodimer composed of a large (LeuC) and small (LeuD) subunit, while the fungal form is a monomeric enzyme. Both forms of isopropylmalate are related and are part of the larger aconitase family . Aconitases are mostly monomeric proteins which share four domains in common and contain a single, labile [4Fe-4S] cluster. Three structural domains (1, 2 and 3) are tightly packed around the iron-sulphur cluster, while a fourth domain (4) forms a deep active-site cleft. The prokaryotic enzyme is encoded by two adjacent genes, leuC and leuD, corresponding to aconitase domains 1-3 and 4 respectively , . LeuC does not bind an iron-sulphur cluster. It is thought that some prokaryotic isopropylamalate dehydrogenases can also function as homoaconitase 4.2.1.36 from EC, converting cis-homoaconitate to homoisocitric acid in lysine biosynthesis . Homoaconitase has been identified in higher fungi (mitochondria) and several archaea and one thermophilic species of bacteria, Thermus thermophilus . Members of this entry are 3-isopropylmalate dehydratase, large subunit, or the large subunit domain of single-chain forms. Homoaconitase, aconitase, and 3-isopropylmalate dehydratase have similar overall structures. All are dehydratases (4.2.1 from EC) and bind a [4Fe-4S]-cluster. 3-isopropylmalate dehydratase is split into large (leuC) and small (leuD) chains in eubacteria. Several pairs of archaeal proteins resemble the leuC and leuD pair in length and sequence but even more closely resemble the respective domains of homoaconitase, and their identity is uncertain. The archaeal leuC-like proteins are not included in group.; GO: 0003861 3-isopropylmalate dehydratase activity, 0051539 4 iron 4 sulfur cluster binding, 0009098 leucine biosynthetic process, 0009316 3-isopropylmalate dehydratase complex.
Probab=100.00 E-value=0 Score=737.16 Aligned_cols=452 Identities=26% Similarity=0.376 Sum_probs=374.3
Q ss_pred CCCHHHHHHHHHCCCCCCCCCCCCCCCCCHHHEECCCCHHHHHHHHHHHHHHHHCCCCHHHCCCCCCEEEEEECCCHHHC
Q ss_conf 57999999986123554577766364532522000003579999999999999719999992878981399868321100
Q gi|254780451|r 59 TVTKEQIHAFVKWLDNKGTVESEVSYRFSRVLMQDFTGVPAVVDLAAMRDAIVVLGGDPQNINPLVPVDLVIDHSLIVDY 138 (896)
Q Consensus 59 ~~~~~~~~~~~~w~~~~~~~~~ei~f~p~Rv~~qD~Tg~pa~vdlaamR~~~~~~g~dp~~inp~vp~dlviDHsv~vd~ 138 (896)
T Consensus 4 TlyeK~fD~HvV~---~~E-~~~~LLYIdrHLvHEVTSPQAF---eGLr~----~gR~VR~~~~Tf---ATmDHni~T~~ 69 (472)
T TIGR00170 4 TLYEKLFDAHVVY---EAE-GETPLLYIDRHLVHEVTSPQAF---EGLRQ----AGRKVRRVDKTF---ATMDHNIPTQS 69 (472)
T ss_pred CHHHHHCCCEEEE---CCC-CCCCCEEEECEEEEECCCCHHH---HHHHH----CCCCCCCCCCCE---EEECCCCCCCC
T ss_conf 2111213530577---267-8885145406155401670324---79986----778015468703---23126557554
Q ss_pred CCCHHHHHHH--------HHHHHHHHHHHHHHHHHHHHHCCCEEEECCCCCCHHHHHHHHHCCCEEEECCCCCEEEEEE-
Q ss_conf 5998899989--------9988754267899998774214880786088762167789863351131036886179830-
Q gi|254780451|r 139 SGNKDAVTRN--------KDLEYQRNEERYRFLKWGQKSFKNFRVVPPGTGICHQINLEYLGQSVWTKNENGENIAYPD- 209 (896)
Q Consensus 139 ~g~~~a~~~n--------~~~e~~rN~Ery~Flkwa~~~f~~~~v~pPG~GI~HQvnlE~la~vv~~~~~~~~~~a~Pd- 209 (896)
T Consensus 70 rknfkslD~~~~~~~a~~Qv~~L~~N~k~f-----Gv~---l~dl~~~~QGIVHv~-------------GPE~GlTLPG~ 128 (472)
T TIGR00170 70 RKNFKSLDVNIKDEVAKIQVKELEKNCKEF-----GVK---LFDLSSAEQGIVHVV-------------GPEQGLTLPGM 128 (472)
T ss_pred CCCHHHHHHHHHHHHHHHHHHHHHHHHHHH-----CCE---EECCCCCCCCEEEEE-------------CCCCCCCCCCC
T ss_conf 310112001331135789999987557871-----932---105778887469986-------------78888538887
Q ss_pred EEEECCCCCCCCCCCHHHHCCCCHHHHHHHHCCCCCEECCCCEEEEEEECCCCCCCCHHHHHHHHHHHHCCCCCCCEEEE
Q ss_conf 13206887644452012320343489999970775141167289999976778644368899999998410221212799
Q gi|254780451|r 210 TCVGTDSHTTMINALGILGWGVGGIEAEAAMLGCPISMLLPEVVGFEVTGSLQEGVTATDLVLTITQMLRKEGVVSKFVE 289 (896)
Q Consensus 210 tlVGtDSHT~~~galG~la~GVGg~eaea~mlGqp~~~~vPevigv~L~G~L~~gVtakDiiL~i~~~Lr~~Gvvgk~vE 289 (896)
T Consensus 129 TiVCGDSHTsTHGAFGaLAFGIGTSEVEHVLaTQTl~Q~r~K~m~i~V~Gk~~~GiTaKD~iLaiIGk~g~agGTG~ViE 208 (472)
T TIGR00170 129 TIVCGDSHTSTHGAFGALAFGIGTSEVEHVLATQTLKQARAKTMKIEVDGKLAPGITAKDIILAIIGKTGVAGGTGHVIE 208 (472)
T ss_pred EEEECCCCCHHHHHHHHHHHCCCCCHHHHHHHHHHHHHCCCCEEEEEEEEEECCCCCHHHHHHHHHHHHCCCCCCEEEEE
T ss_conf 58858876302345566651576203233234435642688505899855766888456666654333125887506884
Q ss_pred EEECCCCCCCHHHHHHHHCCCCCCCCCEEEECCCHHHHHHHHHCCCCHHHHHHHHHHHHHHHCCCCCCCCCCCCCCEEEE
Q ss_conf 96155001787563212000100372037751998999999863999889999998746410236767667886306999
Q gi|254780451|r 290 FFGSGFESMVLADRATIANMAPEYGATCGFFPVDRGTIDYLRLSGRSNSRVDLVEAYTKVQGMWREDIDYEKVAFTKKMK 369 (896)
Q Consensus 290 f~G~gi~~LS~~dRaTIaNMa~E~GAt~gifp~De~T~~YL~~tGR~~~~v~lve~Y~ka~~l~~~~~~d~~a~Y~~vie 369 (896)
T Consensus 209 f~GEai~~lsMe~RMt~CNMaIE~GArAGliaPDEtTF~Y~K--~R~~--aPKG~ef~~AVayWKtL~tD~gA~fD~~i~ 284 (472)
T TIGR00170 209 FCGEAIRDLSMEGRMTVCNMAIEAGARAGLIAPDETTFEYVK--GRPH--APKGKEFDKAVAYWKTLKTDEGAKFDTVIT 284 (472)
T ss_pred CCCHHHHHCCCCCHHHHHHHHHHHHHHCCCCCCCCHHHHHCC--CCCC--CCCCCCHHHHHHHHHHCCCCCCCCCCCEEE
T ss_conf 010686413702100144577886322276288402466207--6888--888776789999875336988872363688
Q ss_pred EECCCCCCHHCCCCCCCCEEEHHHHHHHHHHHHHHHCCCHHHHHHHCCCCCCCCCCCCCCEEEEEEECCCCCCCHHHHHH
Q ss_conf 98031430122656656413677730116687664001100232102457888887555445753104676545999877
Q gi|254780451|r 370 LDLGNVSPSVAGPRRPESRLSLSEVPSSFVTEMNEYYKKSHTLDEKYPVKGCDFHLKHGDVAIASITSCTNTFNPSVMIG 449 (896)
Q Consensus 370 iDLs~ieP~VAgP~~P~d~v~l~~v~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~g~VvIAaIgSCTNtSnp~~mia 449 (896)
T Consensus 285 l~a~~i~P~vTWGtnPg~vl~v~~~vP~P~~~~dp~~k~~aerAl~YmGL~p~~~l~~ikvd~VFIGSCTNsRieDLR~A 364 (472)
T TIGR00170 285 LEAEDISPQVTWGTNPGQVLPVNEEVPDPKSFADPVKKASAERALAYMGLEPGTPLKDIKVDKVFIGSCTNSRIEDLRAA 364 (472)
T ss_pred ECCEEECCEEECCCCCCCEEECCCCCCCCCCCCCHHHHHHHHHHHHHHCCCCCCCCEEEEEEEEEEECCCCCHHHHHHHH
T ss_conf 52513155465378998267337888775123784457789999997088988861037750568724556057899999
Q ss_pred HHHHHHHHHHCCCCCCCCCE-EEEECCCHHHHHHHHHCCCHHHHHHHCCEECCCCCCCCCCCCCCCCCHHHHHCCCCCEE
Q ss_conf 88999889864987586730-79701618999999985885777750530205532242127776883022101136635
Q gi|254780451|r 450 AGLLARNAVRAGLKSKPWVK-TSCAPGSQVSYEYLVQAGLVEYLEALGFSLVGFGCTTCIGNSGALKKEISEVIHQKSLV 528 (896)
Q Consensus 450 AgllAkkAv~~Glkv~p~Vk-t~l~PGS~~V~~~L~~~Gll~~L~~aGf~i~~~GCg~CiGnsG~l~~~i~~~i~~~~l~ 528 (896)
T Consensus 365 A~~------~kG~K~A~~v~~alVVPGSg~VK~QAE~EGLDkIF~eAGfEWR~~GCSmCL~MN~D~l~~-------~E-R 430 (472)
T TIGR00170 365 AAV------VKGRKVADNVKLALVVPGSGLVKKQAEKEGLDKIFIEAGFEWREPGCSMCLGMNNDVLDE-------GE-R 430 (472)
T ss_pred HHH------HCCCCCCCCCCEEEEECCCCHHHHHHHHCCCCHHHHHCCCCCCCCCCCEECCCCCCCCCC-------CC-C
T ss_conf 998------478101543758989578823678873316217888717000146772430577675865-------55-4
Q ss_pred EEEEECCCCCCCCCCCCCCCCEEECCHHHHHHHHHHCC
Q ss_conf 87863367666654685433100059789999985161
Q gi|254780451|r 529 VAGVLSGNRNFEGRISPDVEANYLLSPPLVVAYALAGN 566 (896)
Q Consensus 529 ~~sV~SgNRNFeGR~~p~~~~~yLaSP~lVvA~AiaG~ 566 (896)
T Consensus 431 CAS--TSNRNFEGRQG~~~RT-HLvSPAMAAaAai~Gh 465 (472)
T TIGR00170 431 CAS--TSNRNFEGRQGRGGRT-HLVSPAMAAAAAIAGH 465 (472)
T ss_pred CCC--CCCCCCCCCCCCCCCC-CCCCHHHHHHHHHCCC
T ss_conf 214--5677765536888663-5440899989861576