HHsearch alignment for GI: 254780933 and conserved domain: TIGR00392
>TIGR00392 ileS isoleucyl-tRNA synthetase; InterPro: IPR002301 The aminoacyl-tRNA synthetases (6.1.1. from EC) catalyse the attachment of an amino acid to its cognate transfer RNA molecule in a highly specific two-step reaction. These proteins differ widely in size and oligomeric state, and have limited sequence homology . The 20 aminoacyl-tRNA synthetases are divided into two classes, I and II. Class I aminoacyl-tRNA synthetases contain a characteristic Rossman fold catalytic domain and are mostly monomeric . Class II aminoacyl-tRNA synthetases share an anti-parallel beta-sheet fold flanked by alpha-helices , and are mostly dimeric or multimeric, containing at least three conserved regions , , . However, tRNA binding involves an alpha-helical structure that is conserved between class I and class II synthetases. In reactions catalysed by the class I aminoacyl-tRNA synthetases, the aminoacyl group is coupled to the 2'-hydroxyl of the tRNA, while, in class II reactions, the 3'-hydroxyl site is preferred. The synthetases specific for arginine, cysteine, glutamic acid, glutamine, isoleucine, leucine, methionine, tyrosine, tryptophan and valine belong to class I synthetases; these synthetases are further divided into three subclasses, a, b and c, according to sequence homology. The synthetases specific for alanine, asparagine, aspartic acid, glycine, histidine, lysine, phenylalanine, proline, serine, and threonine belong to class-II synthetases . Isoleucyl-tRNA synthetase (6.1.1.5 from EC) is an alpha monomer that belongs to class Ia. The enzyme, isoleucyl-transfer RNA synthetase, activates not only the cognate substrate L-isoleucine but also the minimally distinct L-valine in the first, aminoacylation step. Then, in a second, "editing" step, the synthetase itself rapidly hydrolyzes only the valylated products , as shown from the crystal structures. ; GO: 0000166 nucleotide binding, 0004822 isoleucine-tRNA ligase activity, 0005524 ATP binding, 0006412 translation, 0006428 isoleucyl-tRNA aminoacylation, 0005737 cytoplasm.
Probab=100.00 E-value=0 Score=1722.16 Aligned_cols=808 Identities=27% Similarity=0.467 Sum_probs=708.5
Q ss_pred CCCCCCCHHHHHHHHHHHHHHCCCCCCCCCCCCCCCEEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHHHCCCCCCCCCC
Q ss_conf 88767897898899999998769864453454899808997284499998654378896779999987670898356778
Q gi|254780933|r 2 MIDKTYDFAFIEQKSVEKWNSVDAFRIDVAPKLGSGVFCIAMPPPNVTGSLHMGHAFNTTIQDIMIRFERMRGKNVLWQP 81 (947)
Q Consensus 2 ~~~~~y~~~~iE~~~~~~W~~~~~f~~~~~~~~~~~~f~~~~ppP~~nG~lHiGH~~~~t~~Di~~Ry~rm~G~~Vl~~~ 81 (947)
T Consensus 1 ~~~~~~nl~~~E~~~~~~W~~~dif~~~~~~~~~~~~F~lhDGPPYAnG~iHlGHalNKilKDii~Ryk~m~G~~v~~~p 80 (938)
T TIGR00392 1 KFPMRGNLSKREEKILKFWQEKDIFEKVKKRNKDKPEFVLHDGPPYANGAIHLGHALNKILKDIILRYKTMQGYNVTYKP 80 (938)
T ss_pred CCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHCCCCCCEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHCCCCCEECCCCC
T ss_conf 98877882125757776677899999999850899835874485876799740255666761123210112250032047
Q ss_pred CCCCCCHHHHHHHHHHHHHHCCCCHHHCC-HHHHHHHHHHHHHHHHHHHHHHHHHHCCEEECCCCEECCCHHHHHHHHHH
Q ss_conf 81545408999999997674599877779-89999999999999999999999980836642798115886799999999
Q gi|254780933|r 82 GTDHAGIATQITVESRLFAQSSLTREDIG-RDAFIEKVWEWKKESGGSILSQLKRLGASCDWSRERFTMDEGMSNAVRNA 160 (947)
Q Consensus 82 G~D~~GlPiE~~vek~l~~~~~~~~~~~g-~~~f~~~~~~~~~~~~~~~~~~~~~lG~~~Dw~r~y~T~d~~y~~~v~~~ 160 (947)
T Consensus 81 GWDtHGLPIE~~Vek~lg~~~~~~~~~~~g~E~fr~~Cr~~A~~~~~~q~~~F~rLG~w~Dwe~pY~T~d~~y~~~~w~~ 160 (938)
T TIGR00392 81 GWDTHGLPIELKVEKKLGISGKKEIESLEGIEEFREKCREFALKQIEEQREQFQRLGVWGDWENPYKTMDPSYEESQWWL 160 (938)
T ss_pred CCCCCCCCEEEEEECCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCEEECCCCCCCCCCCHHHHHHHHHH
T ss_conf 86657870244564047876400022044389999999999999999999888853120225578506788999999999
Q ss_pred HHHHHHCCCEEECCCEEEECCCCCCCCCHHHHHCCC-----CCCCEEEEEEEEECCCCCC--CCCCCCCCCCCCCCCCCC
Q ss_conf 999998894331332022037767801486865414-----6876699996530453000--124555554424568871
Q gi|254780933|r 161 FVVLYKDGLIYRDKRIVNWDPSLKTSVSDLEVIQKE-----VDGNLWYVRYPLVEGVTYR--HPIKFDDDAKPIDWEVRD 233 (947)
Q Consensus 161 F~~L~~~gliy~~~~~v~w~p~~~T~ls~~Ev~~~~-----~~~~~~~ik~~l~~~~~~~--~~~~~~~~~~~~~~~~~~ 233 (947)
T Consensus 161 l~~~~eKGL~~~~~kpv~WSp~~~TaLAeaE~ey~~~Y~d~v~dpS~yv~F~~~~~~~~~rh~~~~~~~~-----n~~~~ 235 (938)
T TIGR00392 161 LKELHEKGLLYRGLKPVYWSPRCETALAEAEVEYKEEYKDNVKDPSIYVKFPVKKDSKTERHAKVKLSGV-----NGLDI 235 (938)
T ss_pred HHHHHHCCCEEECCEEECCCCCCCCHHHHHHHCCCCCCCCCCCCCEEEEEEEEECCCHHHHHHHHHCCCC-----CCCCC
T ss_conf 9999752420225522114414467024763058873215760622889875315612567887426875-----78886
Q ss_pred EEEEEECCCCHHCHHHHHHHHHC----------CH------------------------------------HHHHHCCCE
Q ss_conf 69998267401010244444410----------00------------------------------------123111542
Q gi|254780933|r 234 YIIVSTTRPETMFGDVAIAVHPD----------DY------------------------------------RYKELIGKY 267 (947)
Q Consensus 234 ~l~v~TtrPeTl~g~~a~~v~P~----------d~------------------------------------~y~~l~G~~ 267 (947)
T Consensus 236 ~l~iWTTTPWTLPaN~Aiav~pd~eY~~~~~~~~y~g~~~~~i~a~~L~e~l~~~~g~~h~~~~~e~~~~~kG~~Le~l~ 315 (938)
T TIGR00392 236 SLVIWTTTPWTLPANLAIAVHPDFEYALVQLETDYSGKEEYLILAKKLVEKLLNKLGVEHDITDYEIIKTFKGSDLEGLE 315 (938)
T ss_pred EEEEECCCCCHHHHHHHEEECCCEEEEEEEECCCCCCCEEEEEEHHHHHHHHHHHCCCCCCCCCEEEEEEECCCCCCCCE
T ss_conf 89996688714466416011445068999866874663125551256789886421553453110786555164416524
Q ss_pred EEECCCCCCC--------------------CCC-CCCCCCCCCCCCEEEECCCCCHHHHHHHHHCCC--CCCCEECCCCC
Q ss_conf 3320248657--------------------321-000034212232032124778556566430465--31110167775
Q gi|254780933|r 268 ATLPIVGRLI--------------------PIV-SDVYPDPEFGDGAVKVTPAHDFNDFEIAKRHGL--GFINILTPEAK 324 (947)
Q Consensus 268 ~~~Pl~~~~i--------------------pi~-~~~~V~~~~GTG~V~~~Pah~~~Dy~~~~~~~l--~~~~~~~~~g~ 324 (947)
T Consensus 316 Y~hpl~~~~~~~~~m~~~~L~~~~~~~e~~~~v~~gdhVT~~~GTG~VHtAPghG~eDy~~g~kygl~~e~~~pvD~~G~ 395 (938)
T TIGR00392 316 YEHPLYDKVSQLKGMVVEELIERVDEKEGAPVVIGGDHVTTEDGTGIVHTAPGHGEEDYEIGKKYGLPDEVLSPVDEKGV 395 (938)
T ss_pred EECCCCCCCCCCCCCCHHHHHHHHCCCCCCEEEEECCEEECCCCCEEEECCCCCCHHHHHHHHHHCCCCCCCCCCCCCCE
T ss_conf 65266532201156325232231068986448984004546889722687889873289999982898643146687760
Q ss_pred CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC--HHH-----------HHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCC
Q ss_conf 213665444555434655465553100151--233-----------4488899888876433321022322235666553
Q gi|254780933|r 325 IFLSENESFLENIVLSDEARNIFSEFEGLD--CFA-----------ARSKIVSLLEKSNLLDKTDSYRHIVPHCERSGVT 391 (947)
Q Consensus 325 ~~~~~~~~~~~~~~~~~~~~~~~~~~~G~~--v~~-----------a~~~ii~~L~~~g~l~~~~~~~h~~p~c~R~~~~ 391 (947)
T Consensus 396 y~~~~~~~~G~~-----------v~~~d~~yi~~~~R~V~~Ayd~~An~~I~~~L~~~~~Ll~~e~i~H~YPhcWRtk~P 464 (938)
T TIGR00392 396 YTEEVADFKGRF-----------VKDADKDYIIIKGRYVKDAYDDEANKIIIEQLKDKGLLLKAEKITHSYPHCWRTKTP 464 (938)
T ss_pred ECCCCCCCCCCE-----------EEECCCCEEEECCCEEECHHHHHHHHHHHHHHHHCCCEEEEEEEECCCCCCCCCCCC
T ss_conf 336677744541-----------664487224543741000433468999999984269778876655058770778984
Q ss_pred EEEEEEHHHEECC--CCCHHHHHHHHHCCCCCEECCCC-CHHHHHHHHCCCCCCCCCCCCCCCCEEEEECCCCCEE--EC
Q ss_conf 2444312221214--54202333432002441121443-1135676410111232123545631026983899887--65
Q gi|254780933|r 392 IEPCITEQWYLDA--KVLAESAIRSAKNGCLSFIPQSW-DKSYYEWLENIQPWCISRQIWWGHQIPVWYSPDGKLF--VE 466 (947)
Q Consensus 392 i~~~~~~QWfi~~--~~~~~~~l~~~~~~~i~~~P~~~-~~~~~~wl~~~~DW~ISRqr~WG~pIPvw~~~~~~~~--v~ 466 (947)
T Consensus 465 ~IYRAt~QWF~~~D~~~~k~~~L~~i--~~v~W~P~~~k~~R~~~~~~n~~DWcISRQR~WG~PIP~w~~e~~~~~~l~~ 542 (938)
T TIGR00392 465 VIYRATEQWFIKIDEKKIKDQMLEEI--KKVKWVPEWGKEGRFKNWLENRKDWCISRQRYWGVPIPVWYCEDTGEPVLIV 542 (938)
T ss_pred EEEECCCCCEEECCHHHHHHHHHHHC--CCEEECCCCCCCHHHHHHHHCCCCCEEECCCCCCCCCEEEEECCCCCEEEEE
T ss_conf 57204722146635477789999862--8327614632214678876116765263356258974068866788326776
Q ss_pred CCCHHHH------HHCCCCCCCCCCCCCCCCCCCCCCCCCCCCEEECCCEECCEEECCCCCCCEECHHHHHHCCCCCCCC
Q ss_conf 7623445------4203455678776555410025688883101882410022020442333201011110001234555
Q gi|254780933|r 467 NTEDAAL------RSAIDYYLSQDNDMTVKVRKMIKDGNISDLLKRDEDVLDTWFSSALWPFASLGWPEQTAELKTYYPT 540 (947)
Q Consensus 467 ~~~~~~~------~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~r~~DvlDtWfdSg~~p~~~l~~p~~~~e~~~~~P~ 540 (947)
T Consensus 543 ~gsi~el~~~~~~~~G~~~w~~d~~-~~~~d~~~~~~~~g~~~y~r~~DvlDVWFDSGs~~~A~~~~~~~~~~~~~~~pA 621 (938)
T TIGR00392 543 VGSIEELEELIEVEKGIDAWFEDLH-KDLLDKITLESGSGGGEYRRVPDVLDVWFDSGSMPYAVLHYPFENEKFKEVFPA 621 (938)
T ss_pred ECCHHHHHHHHHHHHCCCCCCCCCC-CCCCCCCCCCCCCCCCCEEEECEEEEEECCCCHHHHHHHHCCCCCHHHCCCCCC
T ss_conf 0408999999998725663222344-445774134588998425871215545114001179986323210010357830
Q ss_pred CCCCCCCCCCCCHHHHHHHHHHHCCCCCCCCCCCCCCHHCCCCCCCCHHHHHHHHHCCCCCCHHHHHC--------CCCH
Q ss_conf 30124554321013567776653012113378685200001443100012255431245653023320--------2540
Q gi|254780933|r 541 SVLVTGFDILFFWVARMMMMGLYFMKDAEGKGIEPFHIVYMHALVRDKNGQKMSKSKGNVVDPIDVID--------QYGA 612 (947)
Q Consensus 541 d~~~~G~Di~r~W~~~~l~~~~~l~~~~~~~~~~Pfk~v~~hG~vld~~G~KMSKS~GNvidp~e~i~--------~yGa 612 (947)
T Consensus 622 D~i~EG~DQ~RGWFySsl~~~~~~~n----v~~~PYK~Vi~hGF~LDe~G~KMSKSlGNvV~P~~v~~G~~N~~~P~yGA 697 (938)
T TIGR00392 622 DFILEGSDQTRGWFYSSLLIGVALFN----VGKAPYKNVITHGFTLDEKGRKMSKSLGNVVDPEKVINGDENLKLPKYGA 697 (938)
T ss_pred EEEEECCCCCCHHHHHHHHHHHHHHC----CCCCCCCEEEECCEEECCCCCCCCCCCCCCCCHHHHCCCCCCCCCCCCCC
T ss_conf 26860335553277999999999870----78854363453154885778544532587038599708843358875330
Q ss_pred HHHHHHHHCC-CCCCCCCCCCCCCCCCCHH-HHHHHHHHHHHHH--CCCCCCC--CCCCCCCCCCHHHHHHHHHHHHHHH
Q ss_conf 3444543123-3556775434110111000-0123444333320--2444577--6767743331555677999999998
Q gi|254780933|r 613 DALRFYFSIM-AVQGRDINLDLERIAGYRN-FITKFWNAIRFSK--MKNARHS--VSFVPQDVKWIVNKWIIKRLATVIN 686 (947)
Q Consensus 613 DalR~~l~~~-~~~~~D~~fs~~~i~~~r~-f~nKLwNa~rf~~--~~~~~~~--~~~~~~~~~~~~Drwils~l~~~i~ 686 (947)
T Consensus 698 D~LRlyv~~~P~~~~~Dl~~~~~~~~~v~~~~~~~~~N~~~Fl~~YanL~~f~p~~~~~~~~~~~~~Drw~L~~l~~l~~ 777 (938)
T TIGR00392 698 DILRLYVASSPSDYWEDLRFSDEILKQVAEKYRKIRWNTYRFLLTYANLDKFDPEEKAVAVEKFRELDRWILSRLNSLVE 777 (938)
T ss_pred HHHHHHHHHCCCCCHHCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCHHCCCHHHHHHHHHHHHHHH
T ss_conf 48777788468740002200668999999987688999999999988760778730023112030113999999999999
Q ss_pred HHHHHHHHHCCCHHHHHHHHHHHCCHHHHHHHHHHHHHHCC--CHHHHHHHHHHHHHHHHHHCCCCCCCHHHHHHHHHHH
Q ss_conf 88998753100102457776531001368898647653056--7144432100014567640345677448999999974
Q gi|254780933|r 687 DVTVGMENHRFNDVSAVLYRFVWDELCDWYVEFIKSILNQK--DSELVSETLSCFSYVLYNVCKLLHPIIPFVTEDLYSH 764 (947)
Q Consensus 687 ~v~~~~e~~~f~~a~~~i~~F~~~~~~~~Yie~~K~~l~~~--~~~~~~~~~~~l~~vl~~~l~ll~P~~PfitEeiw~~ 764 (947)
T Consensus 778 ~v~~~~e~Y~f~~~~~~l~~F~~~~LS~wY~~~~rdr~y~~~~~~~~rr~~q~tL~~~l~~l~~~lAP~~Ph~ae~~y~~ 857 (938)
T TIGR00392 778 EVNEALEKYNFHKVLRALQDFIVEELSNWYIRIIRDRLYIEAKDNDKRRAAQTTLYYALLTLVKLLAPILPHTAEEIYQN 857 (938)
T ss_pred HHHHHHHCCCHHHHHHHHHHHHHHHCCHHHHHHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
T ss_conf 99998626324678888987631200045666654342257898178999999999999999998701157999999864
Q ss_pred CCCCC-----CCCCCCEEEECCCCCC--CCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCEEE-EEEECCCHHH
Q ss_conf 35666-----7675653663578787--7477898999999999999999888980899777465-9996499899
Q gi|254780933|r 765 VSPQD-----DMDKQGLLCHAQWPSL--IIDDSESIEEVNWIIDLISKVRSIRTEMNVPLKAVVP-LVFANIDAHV 832 (947)
Q Consensus 765 l~~~~-----~~~~~~si~~~~wP~~--~~~d~~~~~~~~~~~~ii~~iR~~R~~~~i~~k~~i~-i~~~~~~~~~ 832 (947)
T Consensus 858 l~~~~~~~l~~~~~~~sv~~~~~~~~~~e~~~~~l~~~~~~~~~~~~~~~~~R~~~~~~l~~p~~e~~I~~~~e~~ 933 (938)
T TIGR00392 858 LKGEKPELLKYEEDEESVHLNDWPEVDEEFIDEALEASMAIVREIVEAFLALRDAANKKLRQPLKELVIGKSLEAV 933 (938)
T ss_pred CCHHHHHHHCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCHHH
T ss_conf 2401022300267877502366766314554478888899999999999998899999999887467303466534