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THII_ALIFM
ID   THII_ALIFM              Reviewed;         482 AA.
AC   B5FBH1;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 1.
DT   03-AUG-2022, entry version 77.
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}; OrderedLocusNames=VFMJ11_0736;
OS   Aliivibrio fischeri (strain MJ11) (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=388396;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MJ11;
RA   Mandel M.J., Stabb E.V., Ruby E.G., Ferriera S., Johnson J., Kravitz S.,
RA   Beeson K., Sutton G., Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RT   "Complete sequence of Vibrio fischeri strain MJ11.";
RL   Submitted (AUG-2008) 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: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   -!- 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; CP001139; ACH66037.1; -; Genomic_DNA.
DR   RefSeq; WP_005418113.1; NC_011184.1.
DR   AlphaFoldDB; B5FBH1; -.
DR   SMR; B5FBH1; -.
DR   EnsemblBacteria; ACH66037; ACH66037; VFMJ11_0736.
DR   GeneID; 64242961; -.
DR   KEGG; vfm:VFMJ11_0736; -.
DR   HOGENOM; CLU_037952_4_1_6; -.
DR   OMA; SMPEFCG; -.
DR   UniPathway; UPA00060; -.
DR   Proteomes; UP000001857; Chromosome I.
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   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Disulfide bond; Nucleotide-binding;
KW   Redox-active center; RNA-binding; Thiamine biosynthesis; Transferase;
KW   tRNA-binding.
FT   CHAIN           1..482
FT                   /note="tRNA sulfurtransferase"
FT                   /id="PRO_1000090045"
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;  54491 MW;  583D99AD8F88C954 CRC64;
     MKFIVKPHPE VFVKSDSVRK RFIRILESNL RSIIQRETKG VEVINRRDHI EVTGLSDEYR
     DVTLSVLTQT PGIHHVLEVK QSGFKDMHDI FEQCLEMNRE VIEGKTFCVR VKRRGNHDFT
     SIELERYVGG GLNQSVESAS VRLKNPEVTV KFEVANDKLN LIIARHKGLG GFPLGTQEDV
     LSLISGGFDS GVSSYLHIKR GSKVHYLFFN LGGPAHEIGV KQVSHFLWKK YGSSAKVKFI
     SVDFDPVVAE ILEKVDDGQM GVILKRMFMR AGGMVAEKFG IEGLVTGEAL GQVSSQTLTN
     LRHIDNVTDS LILRPLINWD KEDIIDLARE IGTEDFAKTM PEYCGVISKK PTVKAVKEKL
     EKEEAKFDFS VLEQAVYNAR VMDIRDIEKE SQEQAPEVEM VSELGSDVVV LDIRSAEEED
     EKPLELDGVE VTHIPFFKLA TKFGDLDQSK EYLLYCERGV MSRLQALLLI ENGYKNVKVY
     RP
 
 
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