>cd06452 SepCysS Sep-tRNA:Cys-tRNA synthase. This family belongs to the pyridoxal phosphate (PLP)-dependent aspartate aminotransferase superfamily (fold I). Cys-tRNA(Cys) is produced by O-phosphoseryl-tRNA synthetase which ligates O-phosphoserine (Sep) to tRNA(Cys), and Sep-tRNA:Cys-tRNA synthase (SepCysS) converts Sep-tRNA(Cys) to Cys-tRNA(Cys), in methanogenic archaea. SepCysS forms a dimer, each monomer is composed of a large and small domain; the larger, a typical pyridoxal 5'-phosphate (PLP)-dependent-like enzyme fold. In the active site of each monomer, PLP is covalently bound to a conserved Lys residue near the dimer interface.

Probab=100.00 E-value=2.6e-39 Score=272.76 Aligned_cols=315 Identities=16% Similarity=0.131 Sum_probs=241.0 Q ss_pred HHHHHHHHHHHHHCCCCCC-----CHHCCCCCCHHHHHHHHHHHHCCCCCEEEEECCCCCHHHHHCCCCCCCCCEEEEHH Q ss_conf 9999999999982987764-----10002764028999998887349973377405652012220234677887234213 Q gi|254780604|r 63 KVIENAQRTFEKCGIGAGG-----TRNIAGTNYYHVMLEKELATLHGKKAALIFNSGYIANWATIGTLCSQIDNIICFSD 137 (401) Q Consensus 63 ~v~~a~~~a~~~~G~~~~~-----sr~~~G~~~~~~~LE~~la~~~g~e~al~~~SG~~An~~~i~~l~~~~d~ii~~~D 137 (401) T Consensus 12 ~l~~~a~~a~~~~gdgysvcd~c~~~ld~~~~P~i~efe~~aAeflG~d~A~~V~Ggt~Gnqa~i~t~c~~GD~VIv--~ 89 (361) T cd06452 12 RLTPEARKALIEWGDGYSVCDFCRGRLDEIEKPPIKDFHHDLAEFLGMDEARVTPGAREGKFAVMHSLCEKGDWVVV--D 89 (361) T ss_pred CCCHHHHHHHHHHCCCCCHHHHCCCCCCCCCCCCHHHHHHHHHHHCCCCEEEEECCCCHHHHHHHHHHHCCCCEEEE--C T ss_conf 68999999999867864714520565334769988999999998719966999468520899999998479988985--5 Q ss_pred HHHHHHHHHHHHHCCCCEEEECCC-------CHHHHHHHHHHC---CCCCCCEEECCCCCCCCCCHHHHHHHHHHHHCCC Q ss_conf 211167520145316513531679-------988988867406---6335623621674356773368999999840147 Q gi|254780604|r 138 SHNHASIIEGINKARCKKVIWNHN-------DLEDLEKNLAAT---DLSIPKIIIFESIYSMDGDIAPIKEICDLADQYN 207 (401) Q Consensus 138 ~~~HaSi~~g~~l~~a~~~~f~Hn-------D~~~Le~~L~~~---~~~~~~iIv~e~v~Sm~G~~apL~~l~~l~~~~~ 207 (401) T Consensus 90 ~naH~S~~~a~~laG~~~~~v~~~~~~~~~i~pe~~~~~Iee~~~e~g~~p~Lilit~~dy~yG~~~dl~~I~~iah~y~ 169 (361) T cd06452 90 GLAHYTSYVAAERAGLNVREVPNTGHPEYHITPEGYAEVIEEVKDEFGKPPALALLTHVDGNYGNLHDAKKIAKVCHEYG 169 (361) T ss_pred CCCHHHHHHHHHHCCCEEEEECCCCCCCCCCCHHHHHHHHHHHHHHHCCCCEEEEEECCCCCCCCCCCHHHHHHHHHHCC T ss_conf 75128899888863846999567768566518899999999999861899649999667877366313799999999859 Q ss_pred CEEEECCCCCCCCCCCHHHHHHHHHHCCCCCCHHHCCCCCCCCCC--EEEEECCHHHHHHHHCCCCC-------CCCCCC Q ss_conf 189971211001256025899999720200101101444322223--16875484450000013322-------233344 Q gi|254780604|r 208 AITYIDEVHAVGIHGSCGAGISEREGIMNRITIISGTLAKGFGTF--GGYIAASENLCDFIRSFASG-------FIFSTS 278 (401) Q Consensus 208 ~~LivDEAH~~Gv~G~~G~G~~~~~g~~~~~di~~~TlsKa~g~~--GG~i~g~~~~~~~l~~~~~~-------~ifs~~ 278 (401) T Consensus 170 iPvlvD~A~~~g~lpv~a~~~--------gaD~v~~s~hK~~~a~~p~gvL~~~~~~~~~v~R~~~~~~~K~~~~Lg~t~ 241 (361) T cd06452 170 VPLLLNGAYTVGRMPVSGKEL--------GADFIVGSGHKSMAASAPIGVLATTEEWADIVFRTSQMFKIKEVELLGCTL 241 (361) T ss_pred CCEEECCCCCCCCCCCCHHHC--------CCCEEEEECCCCCCCCCCEEEEEECCHHHHHHHHHCCCCHHHHHHHHCCCC T ss_conf 968971542247579875450--------796899865655534574378850506788887411011045778746786 Q ss_pred CCCHHHHHHHHHHHHHHCCHHHHHHHHHHHHHHHHHHHHC-CCCCCC----------CCCCEEEEEECCHHHHHHHHHHH Q ss_conf 4431478899876432012016888899998766656644-983037----------89865999968979999999999 Q gi|254780604|r 279 LPPAIASASVTSIQYIKQHYDERKKYLERVKQLRHSLENK-AIPCIP----------NESHIIPIMVGDSHKCTQISNIL 347 (401) Q Consensus 279 l~p~~~aa~~~al~~l~~~~~~~~~l~~~~~~l~~~L~~~-g~~~~~----------~~s~Ivpi~~g~~~~~~~~~~~l 347 (401) T Consensus 242 ~~-~~~~~lmAS~~~~~~~v~~~~eev~~ar~~~~el~kI~G~~~~ge~p~~~dl~~~dt~~~~~~~~~~~~~G~~L~~~ 320 (361) T cd06452 242 RG-APLVTLMASFPHVKERVKRWDEEVEKARWFVAELEKIEGIKQLGEKPKNHDLMFFETPSFDEIAKKHKRRGYFLYSE 320 (361) T ss_pred CC-CHHHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHCCCCCCCCCCEEECCCCCEEEEECCCCCCCHHHHH T ss_conf 55-17999980729999999877789999999999984284531215577767745614786324410478650069999 Q ss_pred HHHCCEEEEEECCCCCCCCCCEEEEECCCCCCHHHHHHHHHHHHHHHH Q ss_conf 973790998404888888872189961857999999999999999999 Q gi|254780604|r 348 LKEFGIYIQPINYPTVAKKKERLRVTLTPLHTDSDIEHLVSSLENVWQ 395 (401) Q Consensus 348 L~e~Gi~v~~i~~PtVp~g~~rlRi~l~a~ht~edid~~~~~l~~v~~ 395 (401) T Consensus 321 L~~rgI~~~--~----~-g~t~~~~~~tyG~t~e~i~~l~~a~keI~e 361 (361) T cd06452 321 LKKRGIHGI--K----P-GLTRYFKLSTYGLTWEQVEYVVDAFKEIAE 361 (361) T ss_pred HHHCCCEEE--C----C-CCCCEEEEEEECCCHHHHHHHHHHHHHHHC T ss_conf 987697687--1----6-853379999951688899999999999759

HHsearch alignment for GI: 254780604 and conserved domain: cd06452