>TIGR01292 TRX_reduct thioredoxin-disulfide reductase; InterPro: IPR005982 Reactive oxygen species (ROS) are known mediators of intracellular signaling cascades. Excessive production of ROS may, however, lead to oxidative stress, loss of cell function, and ultimately apoptosis or necrosis. A balance between oxidant and antioxidant intracellular systems is hence vital for cell function, regulation, and adaptation to diverse growth conditions. Thioredoxin reductase in conjunction with thioredoxin is a ubiquitous oxidoreductase system with antioxidant and redox regulatory roles. Thioredoxin reductase (1.8.1.9 from EC) reduces oxidised thioredoxin in the presence of NADPH. Reduced thioredoxin serves as an electron donor for thioredoxin peroxidase which consequently reduces H_2O_2 to H_2O. In mammals, extracellular forms of Trx also have cytokine-like effects. Mammalian TrxR has a highly reactive active site selenocysteine residue resulting in a profound reductive capacity, reducing several substrates in addition to Trx .; GO: 0004791 thioredoxin-disulfide reductase activity, 0019430 removal of superoxide radicals, 0005737 cytoplasm.

Probab=100.00 E-value=0 Score=594.70 Aligned_cols=301 Identities=50% Similarity=0.826 Sum_probs=290.8 Q ss_pred CEEEEECCCHHHHHHHHHHHHCCCCEEEEECCCCC---CEEEEECCCCCCCCCCCCCCHHHHHHHHHHHHHHCCCCCCC- Q ss_conf 51999989777999999999869959999678877---56875010078774777789789998664323200232221- Q gi|254780283|r 6 SKILIIGSGPAGYTAAIYAARAMLKPVIIAGSDLG---GQLMITESIENYPGFATSIRGDWLMEQMRQQAENFGTKIIQ- 81 (321) Q Consensus 6 ~dVvIIG~GpAGl~aA~~l~r~g~~v~iie~~~~G---G~l~~~~~i~n~~g~~~~~~~~~l~~~~~~~~~~~~v~~~~- 81 (321) T Consensus 1 ~DviIIGaGPAGlTAAIYa~Ra~l~~l~~eg~~~G~aGGql~~T~~vENYPGf~e~i~G~~L~~~M~~Qa~~fG~~~~~G 80 (321) T TIGR01292 1 YDVIIIGAGPAGLTAAIYAARANLKTLLIEGMEPGIAGGQLTTTTEVENYPGFPEGISGPELMEKMKEQAKKFGAEIIYG 80 (321) T ss_pred CCEEEECCCHHHHHHHHHHHHHCCEEEEEECCCCCCCCCCCCCCCEEECCCCCCCCCCHHHHHHHHHHHHHHCCCCEEEC T ss_conf 92899847867888999988746727898357777455533322065136868887662889999999998706736626 Q ss_pred EEEEECCCCCC-----CCCCCCCCCCCCCCCEECCCCCCCCEEEEEC-CCCCCCEEECCCCCCCCC--CCCCCCCEEEEE Q ss_conf 13320112222-----2222222222221000014776642024652-774332021012111111--111221000010 Q gi|254780283|r 82 DLVVSVDLDRH-----PFLVETQSGDLWHADAVVIATGSEVKWLRLE-SEKKFQGFGVSACATCDG--FFYKNKDVIVVG 153 (321) Q Consensus 82 ~~V~~i~~~~~-----~~~v~~~~g~~~~a~~lIiAtG~~~~~~~ip-G~~~~~~~~v~~~~~~d~--~~~~~k~v~ViG 153 (321) T Consensus 81 ~~v~~v~~~~~~yE~~~F~~~~~--~~y~a~avIiAtGa~~r~lg~~kGE~ef~GrGVSyCA~CDGA~~ffk~K~V~VvG 158 (321) T TIGR01292 81 EEVIRVDKSDRAYESDPFKVKTG--KEYTAKAVIIATGAEARKLGIPKGEDEFLGRGVSYCATCDGASPFFKNKEVAVVG 158 (321) T ss_pred CEEEEEECCCCCCCCCEEEEEEC--CEEEEEEEEEECCCHHHHCCCCCCHHHHCCCCEEEEEHHCCCCHHHCCCEEEEEC T ss_conf 70568633788436610389717--5688658999138715423788664553268666722310540120598899987 Q ss_pred CCCCCCCCEEEEECCCCCCCCCCCCCCCCCCCCCCCCCCCCC--CCCCCCCCCEEECCCCCCCCCCCCCCCCEEECCCCC Q ss_conf 255654310121013332223443433221111211223554--433222231121148643334444433314203210 Q gi|254780283|r 154 GGNTAAEEALHLAKIARRVTIVHRRSSLRSEKILQEKLFLQS--NIDFLFDTEVVDVIGSIPEPPLFPSVSGVRLHNKKE 231 (321) Q Consensus 154 gG~~g~e~A~~L~~~~~~Vtli~r~~~l~~~~~~~~~~~~~~--~i~~~~~~~v~~i~g~~~~~~~~~~~~~v~~~~~~~ 231 (321) T Consensus 159 GGdsA~eEA~yL~~~a~kV~lvHRRd~fRA~k~~~~r~~~~~eG~I~~l~n~~v~Ei~G~~~~-----~V~~v~i~N~~t 233 (321) T TIGR01292 159 GGDSALEEALYLTRIAKKVTLVHRRDKFRAEKILLDRLKKNPEGKIEFLWNSTVEEIVGDNSK-----KVESVKIKNTVT 233 (321) T ss_pred CCCHHHHHHHHHHHCCCEEEEEECCCCCCCCHHHHHHHHHCCCCCEEEECCCEEEEEECCCCE-----EEEEEEEEECCC T ss_conf 982488888999853876799977986363289998998378987899648689999617831-----553358996238 Q ss_pred CCCCCCCCCCCCCCCCCCCCHHHHHCC--CCEECCCCEEEECC---CCCCCCCCEEEECCCCCC-CHHHHHHHHHHHHHH Q ss_conf 000011222211123223565677425--61806997990088---855478982897012688-445678999979999 Q gi|254780283|r 232 GNFFERNVDGIFIAIGYKPNTKIFRHQ--LKMTNTNYIWTMPD---STATSIPGIFAAGDVADE-RYRQAITAAAMGCMA 305 (321) Q Consensus 232 g~~~~i~~D~vi~a~G~~pn~~~~~~~--~~~~~~g~i~~~~~---~~~Ts~p~Iya~GDv~~~-~~~~~~~A~~~G~~A 305 (321) T Consensus 234 ~e~~~l~vdGvF~aIG~~P~t~~~~~~G~~~~D~~GyI~t~~~~Gn~~~Tsv~GvFAAGDv~~kW~~rQ~vTAag~G~~A 313 (321) T TIGR01292 234 GEEEELKVDGVFIAIGHEPNTELLKGLGLLELDEGGYIVTDEGLGNTMRTSVPGVFAAGDVRDKWGFRQAVTAAGDGCIA 313 (321) T ss_pred CEEEEEEECEEEEEECCCCCHHHHHCCCCEEECCCCCEEECCCCCCEEECCCCCEEEEEEEECCCCCEEEEEEECHHHHH T ss_conf 84889984447898412032057650783467699868861754861230668689730440688613767870006899 Q ss_pred HHHHHHHH Q ss_conf 99999999 Q gi|254780283|r 306 ALEVEHYL 313 (321) Q Consensus 306 a~~i~~yl 313 (321) T Consensus 314 A~~a~~yL 321 (321) T TIGR01292 314 ALSAERYL 321 (321) T ss_pred HHHHHHHC T ss_conf 99998709

HHsearch alignment for GI: 254780283 and conserved domain: TIGR01292