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THII_ECO57
ID   THII_ECO57              Reviewed;         482 AA.
AC   Q8XE74;
DT   03-APR-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 123.
DE   RecName: Full=tRNA sulfurtransferase {ECO:0000255|HAMAP-Rule:MF_00021};
DE            EC=2.8.1.4 {ECO:0000255|HAMAP-Rule:MF_00021};
DE   AltName: Full=Sulfur carrier protein ThiS sulfurtransferase {ECO:0000255|HAMAP-Rule:MF_00021};
DE   AltName: Full=Thiamine biosynthesis protein ThiI {ECO:0000255|HAMAP-Rule:MF_00021};
DE   AltName: Full=tRNA 4-thiouridine synthase {ECO:0000255|HAMAP-Rule:MF_00021};
GN   Name=thiI {ECO:0000255|HAMAP-Rule:MF_00021};
GN   OrderedLocusNames=Z0526, ECs0477;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC;
RX   PubMed=11258796; DOI=10.1093/dnares/8.1.11;
RA   Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA   Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA   Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA   Shiba T., Hattori M., Shinagawa H.;
RT   "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT   genomic comparison with a laboratory strain K-12.";
RL   DNA Res. 8:11-22(2001).
RN   [3]
RP   INTERACTION WITH ISCS, AND SUBUNIT.
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=20404999; DOI=10.1371/journal.pbio.1000354;
RA   Shi R., Proteau A., Villarroya M., Moukadiri I., Zhang L., Trempe J.F.,
RA   Matte A., Armengod M.E., Cygler M.;
RT   "Structural basis for Fe-S cluster assembly and tRNA thiolation mediated by
RT   IscS protein-protein interactions.";
RL   PLoS Biol. 8:E1000354-E1000354(2010).
CC   -!- FUNCTION: Catalyzes the ATP-dependent transfer of a sulfur to tRNA to
CC       produce 4-thiouridine in position 8 of tRNAs, which functions as a
CC       near-UV photosensor. Also catalyzes the transfer of sulfur to the
CC       sulfur carrier protein ThiS, forming ThiS-thiocarboxylate. This is a
CC       step in the synthesis of thiazole, in the thiamine biosynthesis
CC       pathway. The sulfur is donated as persulfide by IscS.
CC       {ECO:0000255|HAMAP-Rule:MF_00021}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[ThiI sulfur-carrier protein]-S-sulfanyl-L-cysteine + a
CC         uridine in tRNA + ATP + H(+) + 2 reduced [2Fe-2S]-[ferredoxin] =
CC         [ThiI sulfur-carrier protein]-L-cysteine + a 4-thiouridine in tRNA +
CC         AMP + diphosphate + 2 oxidized [2Fe-2S]-[ferredoxin];
CC         Xref=Rhea:RHEA:24176, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001,
CC         Rhea:RHEA-COMP:13337, Rhea:RHEA-COMP:13338, Rhea:RHEA-COMP:13339,
CC         Rhea:RHEA-COMP:13340, ChEBI:CHEBI:15378, ChEBI:CHEBI:29950,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:33737,
CC         ChEBI:CHEBI:33738, ChEBI:CHEBI:61963, ChEBI:CHEBI:65315,
CC         ChEBI:CHEBI:136798, ChEBI:CHEBI:456215; EC=2.8.1.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00021};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[sulfur-carrier protein ThiS]-C-terminal Gly-Gly-AMP + AH2 +
CC         S-sulfanyl-L-cysteinyl-[cysteine desulfurase] = [sulfur-carrier
CC         protein ThiS]-C-terminal Gly-NH-CH2-C(O)SH + A + AMP + H(+) + L-
CC         cysteinyl-[cysteine desulfurase]; Xref=Rhea:RHEA:43340, Rhea:RHEA-
CC         COMP:12157, Rhea:RHEA-COMP:12158, Rhea:RHEA-COMP:12908, Rhea:RHEA-
CC         COMP:12910, ChEBI:CHEBI:13193, ChEBI:CHEBI:15378, ChEBI:CHEBI:17499,
CC         ChEBI:CHEBI:29950, ChEBI:CHEBI:61963, ChEBI:CHEBI:90618,
CC         ChEBI:CHEBI:90619, ChEBI:CHEBI:456215; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00021};
CC   -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00021}.
CC   -!- SUBUNIT: Interacts with IscS. {ECO:0000269|PubMed:20404999}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00021}.
CC   -!- SIMILARITY: Belongs to the ThiI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00021}.
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DR   EMBL; AE005174; AAG54773.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB33900.1; -; Genomic_DNA.
DR   PIR; A85539; A85539.
DR   PIR; E90688; E90688.
DR   RefSeq; NP_308504.1; NC_002695.1.
DR   RefSeq; WP_000668700.1; NZ_SEKU01000007.1.
DR   AlphaFoldDB; Q8XE74; -.
DR   SMR; Q8XE74; -.
DR   DIP; DIP-58576N; -.
DR   IntAct; Q8XE74; 1.
DR   STRING; 155864.EDL933_0493; -.
DR   EnsemblBacteria; AAG54773; AAG54773; Z0526.
DR   EnsemblBacteria; BAB33900; BAB33900; ECs_0477.
DR   GeneID; 914579; -.
DR   KEGG; ece:Z0526; -.
DR   KEGG; ecs:ECs_0477; -.
DR   PATRIC; fig|386585.9.peg.578; -.
DR   eggNOG; COG0301; Bacteria.
DR   eggNOG; COG0607; Bacteria.
DR   HOGENOM; CLU_037952_4_1_6; -.
DR   OMA; SMPEFCG; -.
DR   UniPathway; UPA00060; -.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004810; F:tRNA adenylyltransferase activity; IEA:InterPro.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0140741; F:tRNA U4 sulfurtransferase; IEA:UniProtKB-EC.
DR   GO; GO:0009228; P:thiamine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009229; P:thiamine diphosphate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0052837; P:thiazole biosynthetic process; IEA:InterPro.
DR   GO; GO:0034227; P:tRNA thio-modification; IEA:UniProtKB-UniRule.
DR   CDD; cd01712; ThiI; 1.
DR   Gene3D; 3.40.250.10; -; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_00021; ThiI; 1.
DR   InterPro; IPR001763; Rhodanese-like_dom.
DR   InterPro; IPR036873; Rhodanese-like_dom_sf.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR026340; Thiazole_biosynth_dom.
DR   InterPro; IPR020536; ThiI_AANH.
DR   InterPro; IPR004114; THUMP_dom.
DR   InterPro; IPR003720; tRNA_STrfase.
DR   Pfam; PF02568; ThiI; 1.
DR   Pfam; PF02926; THUMP; 1.
DR   SMART; SM00981; THUMP; 1.
DR   SUPFAM; SSF52821; SSF52821; 1.
DR   TIGRFAMs; TIGR04271; ThiI_C_thiazole; 1.
DR   TIGRFAMs; TIGR00342; TIGR00342; 1.
DR   PROSITE; PS50206; RHODANESE_3; 1.
DR   PROSITE; PS51165; THUMP; 1.
PE   1: Evidence at protein level;
KW   ATP-binding; Cytoplasm; Disulfide bond; Nucleotide-binding;
KW   Redox-active center; Reference proteome; RNA-binding;
KW   Thiamine biosynthesis; Transferase; tRNA-binding.
FT   CHAIN           1..482
FT                   /note="tRNA sulfurtransferase"
FT                   /id="PRO_0000154838"
FT   DOMAIN          61..165
FT                   /note="THUMP"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   DOMAIN          404..482
FT                   /note="Rhodanese"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   ACT_SITE        456
FT                   /note="Cysteine persulfide intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   BINDING         183..184
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   BINDING         265
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   BINDING         287
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   BINDING         296
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT   DISULFID        344..456
FT                   /note="Redox-active"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
SQ   SEQUENCE   482 AA;  55003 MW;  896E83BA0E2A352C CRC64;
     MKFIIKLFPE ITIKSQSVRL RFIKILTGNI RNVLKHYDET LAVVRHWDNI EVRAKDENQR
     LTIRDALTRI PGIHHILEVE DVPFTDMHDI FEKALVQYRD QLDGKTFCVR VKRRGKHDFS
     SIDVERYVGG GLNQHIESAR VKLTNPDVTV HLEVEDDRLL LIKGRYEGIG GFPIGTQEDV
     LSLISGGFDS GVSSYMLMRR GCRVHYCFFN LGGAAHEIGV RQVAHYLWNR FGSSHRVRFV
     AINFEPVVGE ILEKIDDGQM GVILKRMMVR AASKVAERYG VQALVTGEAL GQVSSQTLTN
     LRLIDNVSDT LILRPLISYD KEHIINLARQ IGTEDFARTM PEYCGVISKS PTVKAVKSKI
     EAEEEKFDFS ILDKVVEEAN NVDIREIAQQ TGQEVVEVET VNDFGPNDVI LDIRSVDEQE
     DKPLKVEGID VVSLPFYKLS TKFGDLDQNR TWLLWCERGV MSRLQALYLR EQGFKNVKVY
     RP
 
 
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