ID   A0A5X8YHR5_SALET        Unreviewed;       482 AA.
AC   A0A5X8YHR5;
DT   22-APR-2020, integrated into UniProtKB/TrEMBL.
DT   22-APR-2020, sequence version 1.
DT   07-APR-2021, entry version 7.
DE   RecName: Full=Probable tRNA sulfurtransferase {ECO:0000256|HAMAP-Rule:MF_00021};
DE            EC=2.8.1.4 {ECO:0000256|HAMAP-Rule:MF_00021};
DE   AltName: Full=Sulfur carrier protein ThiS sulfurtransferase {ECO:0000256|HAMAP-Rule:MF_00021};
DE   AltName: Full=Thiamine biosynthesis protein ThiI {ECO:0000256|HAMAP-Rule:MF_00021};
DE   AltName: Full=tRNA 4-thiouridine synthase {ECO:0000256|HAMAP-Rule:MF_00021};
GN   Name=thiI {ECO:0000256|HAMAP-Rule:MF_00021,
GN   ECO:0000313|EMBL:ECB1985243.1};
GN   ORFNames=EVG56_02110 {ECO:0000313|EMBL:ECB1985243.1};
OS   Salmonella enterica subsp. enterica serovar Kisarawe.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=2517242 {ECO:0000313|EMBL:ECB1985243.1};
RN   [1] {ECO:0000313|EMBL:ECB1985243.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=508285 {ECO:0000313|EMBL:ECB1985243.1};
RA   Ashton P.M., Dallman T., Nair S., De Pinna E., Peters T., Grant K.;
RL   Submitted (JAN-2019) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|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:0000256|HAMAP-
CC         Rule:MF_00021};
CC   -!- PATHWAY: Cofactor biosynthesis; thiamine diphosphate biosynthesis.
CC       {ECO:0000256|HAMAP-Rule:MF_00021}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC       ECO:0000256|HAMAP-Rule:MF_00021}.
CC   -!- SIMILARITY: Belongs to the ThiI family. {ECO:0000256|HAMAP-
CC       Rule:MF_00021}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_00021}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:ECB1985243.1}.
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DR   EMBL; AAHWUP010000002; ECB1985243.1; -; Genomic_DNA.
DR   SMR; A0A5X8YHR5; -.
DR   UniPathway; UPA00060; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016783; F:sulfurtransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0004810; F:tRNA adenylyltransferase activity; IEA:InterPro.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0009228; P:thiamine biosynthetic process; IEA:UniProtKB-UniRule.
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; 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.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_00021};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00021};
KW   Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_00021}; Redox-active center {ECO:0000256|ARBA:ARBA00023284};
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022555};
KW   Thiamine biosynthesis {ECO:0000256|ARBA:ARBA00022977, ECO:0000256|HAMAP-
KW   Rule:MF_00021}; Transferase {ECO:0000256|HAMAP-Rule:MF_00021};
KW   tRNA-binding {ECO:0000256|ARBA:ARBA00022555}.
FT   DOMAIN          75..165
FT                   /note="THUMP"
FT                   /evidence="ECO:0000259|SMART:SM00981"
FT   NP_BIND         183..184
FT                   /note="ATP"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         265
FT                   /note="ATP"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         287
FT                   /note="ATP; via amide nitrogen"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         296
FT                   /note="ATP"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
SQ   SEQUENCE   482 AA;  54777 MW;  718C3AE5C3B1687B CRC64;
     MKFIIKLFPE ITIKSQSVRL RFIKILTGNI RNVLKHYDET LAVVRHWDNI EVRAKDENQR
     LAIRDALTRI PGIHHILEVE DVPFTDMHDI FEKALAQYRE QLEGKTFCVR VKRRGKHEFS
     SIEVERYVGG GLNQHIESAR VKLTNPDVTV HLEVEDDRLL LIKGRYEGIG GFPIGTQEDV
     LSLISGGFDS GVSSYMLMRR GCRVHYCFFN LGGAAHEIGV RQVAHYLWNR FGSSHRVRFV
     AINFEPVVGE ILEKVDDGQM GVVLKRMMVR AASKVAERYG VQALVTGEAL GQVSSQTLTN
     LRLIDNVSDT LILRPLISYD KEHIINLARQ IGTEDFARTM PEYCGVISKS PTVKAIKAKI
     EAEEENFDFS ILDKVVEEAN NVDIREIAQQ TQQEVVEVET VSGFGANDVI LDIRSVDEQD
     DKPLKVEGVD VVSLPFYKLS TKFGDLDQSK TWLLWCERGV MSRLQALYLR EQGFANVKVY
     RP
//