>TIGR00483 EF-1_alpha translation elongation factor EF-1, subunit alpha; InterPro: IPR004539 Translation elongation factors are responsible for two main processes during protein synthesis on the ribosome , , . EF1A (or EF-Tu) is responsible for the selection and binding of the cognate aminoacyl-tRNA to the A-site (acceptor site) of the ribosome. EF2 (or EF-G) is responsible for the translocation of the peptidyl-tRNA from the A-site to the P-site (peptidyl-tRNA site) of the ribosome, thereby freeing the A-site for the next aminoacyl-tRNA to bind. Elongation factors are responsible for achieving accuracy of translation and both EF1A and EF2 are remarkably conserved throughout evolution. EF1A (also known as EF-1alpha or EF-Tu) is a G-protein. It forms a ternary complex of EF1A-GTP-aminoacyltRNA. The binding of aminoacyl-tRNA stimulates GTP hydrolysis by EF1A, causing a conformational change in EF1A that causes EF1A-GDP to detach from the ribosome, leaving the aminoacyl-tRNA attached at the A-site. Only the cognate aminoacyl-tRNA can induce the required conformational change in EF1A through its tight anticodon-codon binding , . EF1A-GDP is returned to its active state, EF1A-GTP, through the action of another elongation factor, EF1B (also known as EF-Ts or EF-1beta/gamma/delta). This entry represents EF1A proteins found primarily in eukaryotic (eEF1A) and archaeal (aEF1A) organisms, these proteins being more closely related to one another than to EF1A (or EF-Tu) found in bacteria (IPR004541 from INTERPRO). More information about these proteins can be found at Protein of the Month: Elongation Factors . ; GO: 0003746 translation elongation factor activity, 0005525 GTP binding, 0006414 translational elongation, 0005737 cytoplasm.

Probab=100.00 E-value=0 Score=755.79 Aligned_cols=374 Identities=35% Similarity=0.614 Sum_probs=341.7 Q ss_pred HCCCCEEEEEEEECCCCCHHHHHHHHH-----------HHHHHHHHCCCC--------CCCCHHHHHCCCEEEEEEEEEE Q ss_conf 103882799999046898878999999-----------876444200131--------2686869862920637899982 Q gi|254780150|r 7 VRNKESLGLSTIGHVDHGKTTLTAAIT-----------KYYSEEKKEYGD--------IDSAPEEKLRGITIATAHVSYE 67 (392) Q Consensus 7 ~~~k~~~ni~~iGhvd~GKSTL~~~L~-----------~~~~~~~~~~~~--------~D~~~~E~~rGiTi~~~~~~~~ 67 (392) T Consensus 2 aKeK~~~Nv~~IGHVD~GKST~~G~Lly~~G~I~~~~~eK~~kEa~e~GK~~F~fa~V~D~Lk~ERERGvTID~A~~KFe 81 (445) T TIGR00483 2 AKEKEHINVAFIGHVDHGKSTLVGRLLYKAGAIDEQLLEKLKKEAQEKGKASFEFAWVMDRLKEERERGVTIDVAHKKFE 81 (445) T ss_pred CCCCCEEEEEEEEEEECCCCHHHHHHHHHCCCCCHHHHHHHHHHHHHCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHCC T ss_conf 76543244899825408850266777754289658999999875755187303676543110000015622433445417 Q ss_pred CCCEEEEEEECCCCHHHHHHHHHHHHCCCCEEEEECCCCC-------CCCCHHHHHHHHHHCCCCCEEEEECCCCCCCCH Q ss_conf 1990899984787302467798774002331452012344-------332106778888631876023310023335612 Q gi|254780150|r 68 TDKRFYSHIDCPGHADYVKNMITGATQADGAILVCAAEDG-------PKPQTREHILLARQIGISSIVVYMNKVDAVDDD 140 (392) Q Consensus 68 ~~~~~i~iiD~PGH~~f~~~mi~g~~~~D~ailvVda~~G-------~~~QT~eh~~l~~~lgi~~iIv~iNKmD~v~~~ 140 (392) T Consensus 82 T~KY~~TivDcPGHRDFiKNMITGaSQADaAvLv~~v~~~~~~ag~~~~pQTrEH~~La~TLGi~QliVAiNKMD~V~yd 161 (445) T TIGR00483 82 TDKYEVTIVDCPGHRDFIKNMITGASQADAAVLVVAVDDGEFEAGISVQPQTREHVFLARTLGINQLIVAINKMDSVNYD 161 (445) T ss_pred CCCEEEEEEECCCCCHHHHHCCCCCCCCCEEEEEEECCCCCCCCCEEECCCCHHHHHHHHHHCCEEEEEEECCCCCEECC T ss_conf 88516999846987013431126675124279999525441024012178605778887750320453331024610027 Q ss_pred -HHHHHCCCCCCE-EEEEEEEEEEEECCCCEEEEEEECCC-----CCCCCCC------------CCCHHHHHHCCCCCCC Q ss_conf -221101232100-11101453221023311467641144-----4565212------------3320344310252222 Q gi|254780150|r 141 -ELLDISEYEIRD-LLKEHKYSDDTPIIRGSALCALQGTN-----KELGEDS------------IHALMKAVDTHIPTPQ 201 (392) Q Consensus 141 -~~~~~i~~~i~~-~l~~~~~~~~~pii~~sa~~g~~~~n-----~~~~~~~------------~~~Ll~~i~~~~~~p~ 201 (392) T Consensus 162 ~~~f~~~~~~~s~~l~K~vGY~p~~--v~FiP~s~~~GDN~~~~s~~~PWYkgwe~e~~agvv~G~TL~EA~D~-~~~P~ 238 (445) T TIGR00483 162 EEEFEALKKEVSEQLLKKVGYKPDE--VPFIPISAFEGDNVIKKSENTPWYKGWEKETKAGVVKGKTLLEALDA-LEPPE 238 (445) T ss_pred HHHHHHHHHHHHHHHHHHHCCCCCC--CCEEEECCCCCCCHHHHHCCCCCCCCCCCCCCCEEECCCHHHHHHHH-HCCCC T ss_conf 7899999999999899874887561--23254035467613433038885255220002302218458988731-04786 Q ss_pred CCCCCCCCEECCCCCCCCCCCCCEEEEEEECCCCCCCEEEEEECCCCCCCEEEECCCCCCCCCCCCCCCHHHHHHHCCCC Q ss_conf 10000110000000135544543014874245348967999506874321254121001211443210013666411245 Q gi|254780150|r 202 RSLDAPFLMHIEGSCGIEGRGTVVTGCIKRGRIKAGSDVEIIGMGGKKLKVKCTDVEMFRKKLDEAIAGDNVGLLLRGVN 281 (392) Q Consensus 202 ~~~~~p~r~~I~~vf~i~g~G~Vv~GrV~sG~l~~Gd~i~i~p~~~~~~~~kv~si~~~~~~v~~a~aGd~v~l~Lkgi~ 281 (392) T Consensus 239 kp~d~PLRiPiQDVY~I~GvGTVPVGRVEtGvl~~G~~V~F~PAG---VsgEVKSiEMHHE~i~~a~PGDNiGFNVrgVs 315 (445) T TIGR00483 239 KPVDKPLRIPIQDVYSITGVGTVPVGRVETGVLKPGDKVVFEPAG---VSGEVKSIEMHHEQIEQAEPGDNIGFNVRGVS 315 (445) T ss_pred CCCCCCCCCCCCCEEEECCEEECCCCCEECCEEECCCEEEECCCC---CCCCEEEEEECCCCCCCCCCCCCCCEEECCCC T ss_conf 434677305530035753366223460202426448878963788---43121367611343667777874122001556 Q ss_pred CCEEECHHEEECCCC--CCCCEEEEEEEEEEECCCCCCCCCCCCCCEEEEEECCEEEEEEEE-------------ECCCH Q ss_conf 432202117732677--763000168999710567875555115978999954147779999-------------61895 Q gi|254780150|r 282 RADVPRGRVVCAPGS--IQEYSRFRASVYILTASEGGRTTGFMDNYRPQFFMDTADVTGRII-------------LSPGS 346 (392) Q Consensus 282 ~~di~rGdvl~~~~~--~~~~~~f~A~i~il~~~~~~~~~~~~~~~~~~~~~~~~~v~~~i~-------------~~~~~ 346 (392) T Consensus 316 ~kdIrRGdV~G~~~NdPP~v~~~F~A~~vVL~-----HP~~ItvGYtPV~~~HTA~~AC~F~EL~~K~d~rtG~~~Ee~P 390 (445) T TIGR00483 316 KKDIRRGDVAGHPDNDPPKVAKEFTAQIVVLQ-----HPGAITVGYTPVLHAHTAQIACRFVELLKKLDPRTGQVLEENP 390 (445) T ss_pred CCCCCCCCCCCCCCCCCCCCCCCCCCEEEEEC-----CCCEEEECCCCCCCCCCHHHHHHHHHHHHHCCCCCCCCCCCCC T ss_conf 02200143037888758721014412799972-----8976773565630143113333168888550733585014787 Q ss_pred HHHCCCCEEEEEEEECCCEEECC------CCEEEEEECCEEEEEEEEEEEE Q ss_conf 57078976999999778177546------9849999899699989995531 Q gi|254780150|r 347 QAVMPGDRVDLEVELIYPIAMEP------NQTFSMREGGKTVGAGLILEII 391 (392) Q Consensus 347 ~~i~~g~~~~v~l~l~~pi~~e~------~~rfilRd~~~tig~G~I~~v~ 391 (392) T Consensus 391 ~FLKtGdAA~VK~~PtkP~viE~~~~~P~lGRFAiRDMg~Tva~G~~~d~~ 441 (445) T TIGR00483 391 QFLKTGDAAIVKLKPTKPMVIEKVKEIPPLGRFAIRDMGQTVAAGMIIDVK 441 (445) T ss_pred CCCCCCCEEEEEEECCCCEEEECCCCCCCCCHHHHHHHCCEEEEEEEEEEC T ss_conf 512467636899618997487200158986513413301204112678621

HHsearch alignment for GI: 254780150 and conserved domain: TIGR00483