>TIGR00408 proS_fam_I prolyl-tRNA synthetase; InterPro: IPR004499 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 . Prolyl-tRNA synthetase is a class II tRNA synthetase and is recognized by IPR002314 from INTERPRO, which recognises tRNA synthetases for Gly, His, Ser, and Pro. The prolyl-tRNA synthetases are divided into two widely divergent families. This family includes the archaeal enzyme, the Pro-specific domain of a human multifunctional tRNA ligase, and the enzyme from the spirochete Borrelia burgdorferi (Lyme desease spirochete). The other family, IPR004500 from INTERPRO, includes enzymes from Escherichia coli, Bacillus subtilis, Synechocystis sp. (strain PCC6803), and one of the two prolyl-tRNA synthetases of Saccharomyces cerevisiae (Baker's yeast).; GO: 0000166 nucleotide binding, 0004827 proline-tRNA ligase activity, 0005524 ATP binding, 0006412 translation, 0006433 prolyl-tRNA aminoacylation, 0005737 cytoplasm.

Probab=99.74 E-value=3.5e-16 Score=124.25 Aligned_cols=345 Identities=17% Similarity=0.208 Sum_probs=209.5 Q ss_pred CCCCCCCCCCHHHHHHHHHHHHHHHHHHHHC-------------------CCEEEECCCHHHHHHHHCCCC--CCCCCCC Q ss_conf 3799876588668999999999999999985-------------------984801652022887520267--5543332 Q gi|254780928|r 10 ELPRGFADCPTKEIRIRNRILDSIRNIYENY-------------------GFDPIETPLLEYSDSLGKFLP--DEDRPNK 68 (496) Q Consensus 10 ~~P~G~~D~~p~~~~~~~~i~~~l~~~f~~~-------------------G~~~I~tP~lE~~~~~~~~~~--~~~~~~k 68 (496) T Consensus 26 ypVKG~~v~~P~g~~iw~~iq~~~~~~~~~~~~~~~~~L~~F~P~~~~~Y~h~~v~fP~L~p~~~L~KEk~HikG--F~p 103 (533) T TIGR00408 26 YPVKGCYVFLPYGFKIWENIQKILRDKLDEIKLKDKVILKKFIPIESLPYGHEEVYFPMLIPESELEKEKDHIKG--FEP 103 (533) T ss_pred CCCCCEEEECCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCHHEECCCCCCHHHHHHHCCCCCC--CCC T ss_conf 760103784598778999999999999987643546766405677777777001005644525578632135688--584 Q ss_pred CEEEEECCCC----CEEEECCCCHHHHHHHHH-HHHHHCCCCHHHHHHHHHHCCCC--CCCC-CCCCCC--CCCHHHHHC Q ss_conf 2168986999----889998888389999999-51120554112331013330258--7644-421111--100012100 Q gi|254780928|r 69 GVFSLQDDDG----QWISLRYDLTAPLARYVA-ENFDTIVFPCRTYRIGPVFRNEK--HGPG-RFRQFI--QCDVDNVGS 138 (496) Q Consensus 69 ~~y~f~D~~g----~~l~LRpDlT~~~aR~~~-~~~~~~~~p~k~yy~g~vfR~e~--p~~G-r~REf~--Q~g~eiiG~ 138 (496) T Consensus 104 Ev~wi~~~G~~~L~~pLaLRPTSEt~~y~m~~kWv~sy~DLPlk~nQw~~vfR~E~kHTRPflR~rEf~twqE~HT~H~t 183 (533) T TIGR00408 104 EVYWITHGGLKKLDEPLALRPTSETAMYNMYKKWVKSYRDLPLKINQWVNVFRYEKKHTRPFLRTREFLTWQEAHTAHAT 183 (533) T ss_pred HHHHEECCCCCCCCCCCEECCCCHHHHHHHHHHHHHHCCCCCEEEEEEEEEEECCCCCCCCCHHHHHHHCCCCCCCCCCC T ss_conf 00210103777246750125861788876578785121588768984358898021787861023332101000131437 Q ss_pred --CCHHHHHHHHHHHHHHHH-HCCCCCCCCEEECCCCHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHCCCCCHHHHHHHH Q ss_conf --002457889999999997-51888777113036605589999983256035643345553332200128967899862 Q gi|254780928|r 139 --SAETADAEMCMMMADTLE-AVGIKRNDYHIGINNRKILDGILEKIGLHGDDKLNERLIVLRAIDKLDKFGLQGVKLLL 215 (496) Q Consensus 139 --~~~~~DaEii~l~~~~l~-~lgl~~~~~~I~in~~~il~~il~~lgi~~~~~~~~~~~~~~~idkl~k~~~~~~~~~l 215 (496) T Consensus 184 ~~eAee~v~~~~~~Yk~f~~~~LaIP~---~~--g-------------~k~E~---------------eKFa-------- 222 (533) T TIGR00408 184 AEEAEEEVLKALDLYKEFIENLLAIPY---FV--G-------------RKSEK---------------EKFA-------- 222 (533) T ss_pred HHHHHHHHHHHHHHHHHHHHHCCCCCE---EE--E-------------CCCCC---------------CCCC-------- T ss_conf 778899999999988999750288646---87--1-------------48875---------------5478-------- Q ss_pred HHCCCCHHHHHHCCCCCCHHHHHHHHHHHCCCCHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCHHH Q ss_conf 10165003555304899977899888740478568899899860357325888999999999987508884430011010 Q gi|254780928|r 216 GEGRTDNSGDFTKGANLTSEQIDIMVSFLSIDLEKSMHELYELVKGTIAGEKGFNELVVISELVRKSGYNSNRIKISSTI 295 (496) Q Consensus 216 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~l~~~~~~~~~~~~~l~~l~~i~~~l~~~gv~~~~i~~Dl~l 295 (496) T Consensus 223 -------------GA~~T~-~~e~----imPDgG~~LQ~A----T--------sH~LG------qnF------------- 253 (533) T TIGR00408 223 -------------GAEYTW-TFET----IMPDGGRTLQIA----T--------SHDLG------QNF------------- 253 (533) T ss_pred -------------CCCCCE-EEEE----ECCCCCEEHHHH----H--------HHHHH------CCC------------- T ss_conf -------------876223-5675----247765001221----2--------11330------354------------- Q ss_pred CCCCCCCCCEEEEEEECCCCCCCCCCCCCEEEECCCCCCCCCCCCCCCCCCCCCEEEECCHHHHHHH-----HHCCCCCC Q ss_conf 0122123412489985466677676663101100323235521112345677421331101689999-----97368776 Q gi|254780928|r 296 VRGLEYYTGCVYEAILGFPVMNEKQKPVVFGSVGGGGRYDGLVSRFKGQNVPATGFSIGISRLIVAL-----KSLESSTN 370 (496) Q Consensus 296 vRgLdYYTG~vFE~~~~~~~~~~~~~~~~~~aI~~GGRYD~L~~~f~~~~~pavGfaigverl~~~l-----~~~~~~~~ 370 (496) T Consensus 254 ~K--------~F~i~fe~p~---------------Gs~~~~~~ay-----q~s~G~S---tR~igali~~HsD~~GLVLP 302 (533) T TIGR00408 254 AK--------TFDIKFENPT---------------GSDMDKVYAY-----QTSYGIS---TRVIGALILIHSDEKGLVLP 302 (533) T ss_pred EE--------EEEEEEECCC---------------CCCCCCCCCE-----ECCCCHH---HHHHHHEEEEECCCCCCCCC T ss_conf 02--------0367887788---------------8976410100-----1013357---88754500012267775167 Q ss_pred CCCCCCEEEEEE---ECCC-----HHHHHHHHHHHHHHHHCCCEEEEEECCCCCHHHHHHHHHHCCCCEEEEECHHHHHC Q ss_conf 655577148998---2697-----68999999999999987983999718999988999999877998999988728748 Q gi|254780928|r 371 NIKEMGPVLITT---MDHD-----SDSLSKYQMYTQMLRTAGIRAEMFLGSSKNFGNQLKYADRRNCPLAIIQGTGERSR 442 (496) Q Consensus 371 ~~~~~~~v~V~~---~~~~-----~~~~~~~~~ia~~Lr~~Gi~~e~~~~~~~sl~~~~~~A~~~g~~~viiig~~e~~~ 442 (496) T Consensus 303 p~vAp~Qvv~~Pv~IFkK~s~E~~~~~~e~a~~v~~~Lk~~~iRv~~D~~~~~~pG~kf~~~E~kGiPlR~evGP~D~~~ 382 (533) T TIGR00408 303 PRVAPIQVVIIPVIIFKKKSDEENKKVMELARKVEDKLKKLGIRVHLDKRDNYRPGKKFSKWELKGIPLRLEVGPNDIEK 382 (533) T ss_pred CCCCCEEEEEEEEEEECCCCCCCCHHHHHHHHHHHHHHHCCEEEEEEECCCCCCCCCHHHCCCEEECCEEEEECCCCCCC T ss_conf 01273358999867755875214778999999999877304100797035575323132045333042699877751043 Q ss_pred CCEEEEECCCCC--EEEEECCCHHHHHHCCCCCEEECHHHHHHH-HHHHHHHHHHC Q ss_conf 818997878883--643311201443202335103079999999-99999864204 Q gi|254780928|r 443 GMLQIKDLAKGK--ELSREIKNNESWREARVAQITIPISELVST-VKKILQENKEE 495 (496) Q Consensus 443 ~~v~vK~l~~g~--q~~~~~~~~~~~~~~~~~q~~v~~~~l~~~-~~~~l~~~~~~ 495 (496) T Consensus 383 n~~~~~rR~~~~kfK~------------------~~~~~~L~~~k~~~~~~~~~~~ 420 (533) T TIGR00408 383 NIVVVSRRDTKRKFKY------------------QVSLDELEERKVVELLNEMQED 420 (533) T ss_pred CEEEEEEECCCCEEEE------------------EEEHHHHHHHHHHHHHHHHHHH T ss_conf 7689999617713557------------------7205454467899999999999

HHsearch alignment for GI: 254780928 and conserved domain: TIGR00408