HHsearch alignment for GI: 255764461 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=645.35  Aligned_cols=465  Identities=24%  Similarity=0.373  Sum_probs=378.6

Q ss_pred             CCCEEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHHHHCCCCEEECCCCCCCCHHHHHHHHHC-CCC-------------
Q ss_conf             888179978889999883222478978999999998858980362364370227999999983-999-------------
Q gi|255764461|r    3 EREKLYISTAIAYPNAQPHIGHAYEMIIADVLARFHRLDGLDVLFTTGTDEHGQKIAKAAQNA-GVT-------------   68 (511)
Q Consensus         3 ~~~~~~vt~~~Py~ng~lHlGH~~~~i~~D~~~R~~r~~G~~v~~~~g~D~hg~~i~~~A~~~-g~~-------------   68 (511)
T Consensus        34 ~~~~F~lhDGPPYAnG~iHlGHalNKilKDii~Ryk~m~G~~v~~~pGWDtHGLPIE~~Vek~lg~~~~~~~~~~~g~E~  113 (938)
T TIGR00392        34 DKPEFVLHDGPPYANGAIHLGHALNKILKDIILRYKTMQGYNVTYKPGWDTHGLPIELKVEKKLGISGKKEIESLEGIEE  113 (938)
T ss_pred             CCCCEEEECCCCCCCCCCCHHHHHHHHHHHHHHHHCCCCCEECCCCCCCCCCCCCEEEEEECCCCCCCCCCCCHHHHHHH
T ss_conf             99835874485876799740255666761123210112250032047866578702445640478764000220443899


Q ss_pred             ----HHHHHHHHHHHHHHHHHHHCCCCC--CCCCCCCHHHHHHHHHHHHHHHHHHCCCCCCHHHHCCCCCCCCCCHHHHC
Q ss_conf             ----899999999999999998088988--67477888899999999888754310221100010113343015566721
Q gi|255764461|r   69 ----TKVFVDQNSRNFRDMADVLDISYD--DFIRTTEKRHHDTCRILWKKISDKGDIYKGCYSGWYSLRDEAYYNDDEVY  142 (511)
Q Consensus        69 ----p~e~~~~~~~~~~~~~~~~~i~~D--~~~rT~~~~~~~~~~~~~~~l~~~G~iy~~~~~~~y~~~~~~~~~~~~v~  142 (511)
T Consensus       114 fr~~Cr~~A~~~~~~q~~~F~rLG~w~Dwe~pY~T~d~~y~~~~w~~l~~~~eKGL~~~~~kpv~WSp~~~TaLAeaE~e  193 (938)
T TIGR00392       114 FREKCREFALKQIEEQREQFQRLGVWGDWENPYKTMDPSYEESQWWLLKELHEKGLLYRGLKPVYWSPRCETALAEAEVE  193 (938)
T ss_pred             HHHHHHHHHHHHHHHHHHHHHHCEEECCCCCCCCCCCHHHHHHHHHHHHHHHHCCCEEECCEEECCCCCCCCHHHHHHHC
T ss_conf             99999999999999999888853120225578506788999999999999975242022552211441446702476305


Q ss_pred             CC------C-----------------------------------------------------------------------
Q ss_conf             11------2-----------------------------------------------------------------------
Q gi|255764461|r  143 KG------A-----------------------------------------------------------------------  145 (511)
Q Consensus       143 ~~------~-----------------------------------------------------------------------  145 (511)
T Consensus       194 y~~~Y~d~v~dpS~yv~F~~~~~~~~~rh~~~~~~~~n~~~~~l~iWTTTPWTLPaN~Aiav~pd~eY~~~~~~~~y~g~  273 (938)
T TIGR00392       194 YKEEYKDNVKDPSIYVKFPVKKDSKTERHAKVKLSGVNGLDISLVIWTTTPWTLPANLAIAVHPDFEYALVQLETDYSGK  273 (938)
T ss_pred             CCCCCCCCCCCCEEEEEEEEECCCHHHHHHHHHCCCCCCCCCEEEEECCCCCHHHHHHHEEECCCEEEEEEEECCCCCCC
T ss_conf             88732157606228898753156125678874268757888689996688714466416011445068999866874663


Q ss_pred             --------------------------------------------------------------------------------
Q ss_conf             --------------------------------------------------------------------------------
Q gi|255764461|r  146 --------------------------------------------------------------------------------  145 (511)
Q Consensus       146 --------------------------------------------------------------------------------  145 (511)
                                                                                                      
T Consensus       274 ~~~~i~a~~L~e~l~~~~g~~h~~~~~e~~~~~kG~~Le~l~Y~hpl~~~~~~~~~m~~~~L~~~~~~~e~~~~v~~gdh  353 (938)
T TIGR00392       274 EEYLILAKKLVEKLLNKLGVEHDITDYEIIKTFKGSDLEGLEYEHPLYDKVSQLKGMVVEELIERVDEKEGAPVVIGGDH  353 (938)
T ss_pred             EEEEEEHHHHHHHHHHHCCCCCCCCCEEEEEEECCCCCCCCEEECCCCCCCCCCCCCCHHHHHHHHCCCCCCEEEEECCE
T ss_conf             12555125678988642155345311078655516441652465266532201156325232231068986448984004


Q ss_pred             ----------------------------------------------------------CCC-------------------
Q ss_conf             ----------------------------------------------------------222-------------------
Q gi|255764461|r  146 ----------------------------------------------------------DGQ-------------------  148 (511)
Q Consensus       146 ----------------------------------------------------------~~~-------------------  148 (511)
T Consensus       354 VT~~~GTG~VHtAPghG~eDy~~g~kygl~~e~~~pvD~~G~y~~~~~~~~G~~v~~~d~~yi~~~~R~V~~Ayd~~An~  433 (938)
T TIGR00392       354 VTTEDGTGIVHTAPGHGEEDYEIGKKYGLPDEVLSPVDEKGVYTEEVADFKGRFVKDADKDYIIIKGRYVKDAYDDEANK  433 (938)
T ss_pred             EECCCCCEEEECCCCCCHHHHHHHHHHCCCCCCCCCCCCCCEECCCCCCCCCCEEEECCCCEEEECCCEEECHHHHHHHH
T ss_conf             54688972268788987328999998289864314668776033667774454166448722454374100043346899


Q ss_pred             -----------------------CCCCCCCCEECCCCCCCCCCC--CCCCCCCCCCCCCCCCCCCHHHH-HHHHHHHCCC
Q ss_conf             -----------------------222233200003454434466--64444434443333210006765-4577541034
Q gi|255764461|r  149 -----------------------YYNAQHNPVQWMEEEGYFFRL--SAYQDKLLSYYESHPEFILPIER-RNEVISFVKS  202 (511)
Q Consensus       149 -----------------------~~~~~~~p~~~~~~~~~f~~l--~~~~~~l~~~~~~~~~~~~p~~~-~~~~~~wl~~  202 (511)
T Consensus       434 ~I~~~L~~~~~Ll~~e~i~H~YPhcWRtk~P~IYRAt~QWF~~~D~~~~k~~~L~~i~~-v~W-~P~~~k~~R~~~~~~n  511 (938)
T TIGR00392       434 IIIEQLKDKGLLLKAEKITHSYPHCWRTKTPVIYRATEQWFIKIDEKKIKDQMLEEIKK-VKW-VPEWGKEGRFKNWLEN  511 (938)
T ss_pred             HHHHHHHHCCCEEEEEEEECCCCCCCCCCCCEEEECCCCCEEECCHHHHHHHHHHHCCC-EEE-CCCCCCCHHHHHHHHC
T ss_conf             99999842697788766550587707789845720472214663547778999986283-276-1463221467887611


Q ss_pred             CCCCCCCCCCCCCCCCCCCCC---------------------------------------------------------CC
Q ss_conf             567532343337776578642---------------------------------------------------------22
Q gi|255764461|r  203 GLKDLSLSRKTFDWGIKIPDD---------------------------------------------------------PQ  225 (511)
Q Consensus       203 gl~Dw~ISR~~~~WGipiP~~---------------------------------------------------------~~  225 (511)
T Consensus       512 -~~DWcISRQR-~WG~PIP~w~~e~~~~~~l~~~gsi~el~~~~~~~~G~~~w~~d~~~~~~d~~~~~~~~g~~~y~r~~  589 (938)
T TIGR00392       512 -RKDWCISRQR-YWGVPIPVWYCEDTGEPVLIVVGSIEELEELIEVEKGIDAWFEDLHKDLLDKITLESGSGGGEYRRVP  589 (938)
T ss_pred             -CCCCEEECCC-CCCCCCEEEEECCCCCEEEEEECCHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCCCCCCCCCCEEEEC
T ss_conf             -6765263356-25897406886678832677604089999999987256632223444457741345889984258712


Q ss_pred             CCCCCCHHHHHHHHCCCCCCCCCCCCCCCCCCCCHHCCCCCCC--CHHCCHHHHHHHHH--HHHCCCCCCCCCCEEEC-C
Q ss_conf             1464602444322001234676543100024110000456432--10001024776543--31012323334303305-8
Q gi|255764461|r  226 YIMYVWIDALTNYLTTTGYLDNPDGSKAKFWPADLHVIGKDIL--RFHAIYWPAFLLSA--NLPLPKKVFSHGFILHK-G  300 (511)
Q Consensus       226 ~~~YVWfDa~~gY~s~~~~~~~~~~~~~~~w~~d~~~~G~Dii--~Fh~i~~pa~l~~~--~~~~p~~i~~~g~l~~~-G  300 (511)
T Consensus       590 DvlDVWFDSGs~~~A~~~~~~~~-~~~~~~~pAD~i~EG~DQ~RGWFySsl~~~~-~~~nv~~~PYK~Vi~hGF~LDe~G  667 (938)
T TIGR00392       590 DVLDVWFDSGSMPYAVLHYPFEN-EKFKEVFPADFILEGSDQTRGWFYSSLLIGV-ALFNVGKAPYKNVITHGFTLDEKG  667 (938)
T ss_pred             EEEEEECCCCHHHHHHHHCCCCC-HHHCCCCCCEEEEECCCCCCHHHHHHHHHHH-HHHCCCCCCCCEEEECCEEECCCC
T ss_conf             15545114001179986323210-0103578302686033555327799999999-987078854363453154885778


Q ss_pred             CCCCHHHCCCCCCCCHHH--------HCCCCCCCHHHEEE-CCCCCCCEECCCCCCCCHHHHHHHHHHHCCHHHHHHHH-
Q ss_conf             601000002211100000--------02211121110000-24787301112221110013321102210213455653-
Q gi|255764461|r  301 EKISKSLGNVIDPIEVIE--------EVGVDALRYFLVRE-IACGKDGFYDKDGLKKRVNADLANGIGNLVSRSVSMIL-  370 (511)
Q Consensus       301 ~KMSKS~GN~I~~~e~l~--------~~g~D~lR~~l~~~-~~~~~D~~Fs~~~~~~~~n~~L~~~lgN~~~R~~~f~~-  370 (511)
T Consensus       668 ~KMSKSlGNvV~P~~v~~G~~N~~~P~yGAD~LRlyv~~~P~~~~~Dl~~~~~~~~~v-~~~~~~~~~N----~~~Fl~~  742 (938)
T TIGR00392       668 RKMSKSLGNVVDPEKVINGDENLKLPKYGADILRLYVASSPSDYWEDLRFSDEILKQV-AEKYRKIRWN----TYRFLLT  742 (938)
T ss_pred             CCCCCCCCCCCCHHHHCCCCCCCCCCCCCCHHHHHHHHHCCCCCHHCCCCCHHHHHHH-HHHHHHHHHH----HHHHHHH
T ss_conf             5445325870385997088433588753304877778846874000220066899999-9987688999----9999999


Q ss_pred             -HCCCCCCC-----CCCCCCHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHH--HHHHHHHHHCC--CHHHCCC
Q ss_conf             -12332103-----45558955656678999999999987750358999999999999--99788654187--0121699
Q gi|255764461|r  371 -KDYDGMIP-----TPGAFTESDESILSVCSRVLQEIRENMQNQLIHRALAQVISLVS--EVDRYFDAQKP--WELKKTN  440 (511)
Q Consensus       371 -k~~~g~ip-----~~~~~~~~D~~ll~~l~~~~~~v~~a~e~~~~~~Al~~i~~l~~--~~N~yi~~~~P--W~l~k~d  440 (511)
T Consensus       743 YanL~~f~p~~~~~~~~~~~~~Drw~L~~l~~l~~~v~~~~e~Y~f~~~~~~l~~F~~~~LS~wY~~~~rdr~y~~~~~~  822 (938)
T TIGR00392       743 YANLDKFDPEEKAVAVEKFRELDRWILSRLNSLVEEVNEALEKYNFHKVLRALQDFIVEELSNWYIRIIRDRLYIEAKDN  822 (938)
T ss_pred             HHHHHCCCCCCCCCCHHCCCHHHHHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHHHHHCCHHHHHHHHHHHCCCCCCH
T ss_conf             88760778730023112030113999999999999999986263246788889876312000456666543422578981


Q ss_pred             HHHHHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHCCC
Q ss_conf             999999999999999999998543224899999998498
Q gi|255764461|r  441 PDRASTVLYVTVEVIRQLAILLQAFVPKLANKIFDILFV  479 (511)
Q Consensus       441 ~~~~~~vl~~~l~~l~~l~ilL~Pi~P~~ae~i~~~Lg~  479 (511)
T Consensus       823 -~~rr~~q~tL~~~l~~l~~~lAP~~Ph~ae~~y~~l~~  860 (938)
T TIGR00392       823 -DKRRAAQTTLYYALLTLVKLLAPILPHTAEEIYQNLKG  860 (938)
T ss_pred             -HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCH
T ss_conf             -78999999999999999998701157999999864240