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Database: UniProt
Entry: C5BJ18_TERTT
LinkDB: C5BJ18_TERTT
Original site: C5BJ18_TERTT 
ID   C5BJ18_TERTT            Unreviewed;       490 AA.
AC   C5BJ18;
DT   28-JUL-2009, integrated into UniProtKB/TrEMBL.
DT   28-JUL-2009, sequence version 1.
DT   27-MAR-2024, entry version 99.
DE   RecName: Full=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:ACR13621.1};
GN   OrderedLocusNames=TERTU_4420 {ECO:0000313|EMBL:ACR13621.1};
OS   Teredinibacter turnerae (strain ATCC 39867 / T7901).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC   Cellvibrionaceae; Teredinibacter.
OX   NCBI_TaxID=377629 {ECO:0000313|EMBL:ACR13621.1, ECO:0000313|Proteomes:UP000009080};
RN   [1] {ECO:0000313|EMBL:ACR13621.1, ECO:0000313|Proteomes:UP000009080}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39867 / T7901 {ECO:0000313|Proteomes:UP000009080};
RX   PubMed=19568419; DOI=10.1371/journal.pone.0006085;
RA   Yang J.C., Madupu R., Durkin A.S., Ekborg N.A., Pedamallu C.S.,
RA   Hostetler J.B., Radune D., Toms B.S., Henrissat B., Coutinho P.M.,
RA   Schwarz S., Field L., Trindade-Silva A.E., Soares C.A.G., Elshahawi S.,
RA   Hanora A., Schmidt E.W., Haygood M.G., Posfai J., Benner J., Madinger C.,
RA   Nove J., Anton B., Chaudhary K., Foster J., Holman A., Kumar S.,
RA   Lessard P.A., Luyten Y.A., Slatko B., Wood N., Wu B., Teplitski M.,
RA   Mougous J.D., Ward N., Eisen J.A., Badger J.H., Distel D.L.;
RT   "The complete genome of Teredinibacter turnerae T7901: an intracellular
RT   endosymbiont of marine wood-boring bivalves (shipworms).";
RL   PLoS ONE 4:E6085-E6085(2009).
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}.
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DR   EMBL; CP001614; ACR13621.1; -; Genomic_DNA.
DR   RefSeq; WP_015819735.1; NC_012997.1.
DR   AlphaFoldDB; C5BJ18; -.
DR   STRING; 377629.TERTU_4420; -.
DR   KEGG; ttu:TERTU_4420; -.
DR   eggNOG; COG0301; Bacteria.
DR   eggNOG; COG0607; Bacteria.
DR   HOGENOM; CLU_037952_4_1_6; -.
DR   OrthoDB; 9773948at2; -.
DR   UniPathway; UPA00060; -.
DR   Proteomes; UP000009080; 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:CCA tRNA nucleotidyltransferase activity; IEA:InterPro.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0140741; F:tRNA-uracil-4 sulfurtransferase activity; 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; cd00158; RHOD; 1.
DR   CDD; cd01712; ThiI; 1.
DR   CDD; cd11716; THUMP_ThiI; 1.
DR   Gene3D; 3.30.2130.30; -; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   Gene3D; 3.40.250.10; Rhodanese-like domain; 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   NCBIfam; TIGR04271; ThiI_C_thiazole; 1.
DR   NCBIfam; TIGR00342; tRNA uracil 4-sulfurtransferase ThiI; 1.
DR   PANTHER; PTHR43209; TRNA SULFURTRANSFERASE; 1.
DR   PANTHER; PTHR43209:SF1; TRNA SULFURTRANSFERASE; 1.
DR   Pfam; PF02568; ThiI; 1.
DR   Pfam; PF02926; THUMP; 1.
DR   SMART; SM00981; THUMP; 1.
DR   SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
DR   SUPFAM; SSF52821; Rhodanese/Cell cycle control phosphatase; 1.
DR   SUPFAM; SSF143437; THUMP domain-like; 1.
DR   PROSITE; PS50206; RHODANESE_3; 1.
DR   PROSITE; PS51165; THUMP; 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   Reference proteome {ECO:0000313|Proteomes:UP000009080};
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW   Rule:MF_00021};
KW   Thiamine biosynthesis {ECO:0000256|ARBA:ARBA00022977, ECO:0000256|HAMAP-
KW   Rule:MF_00021};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00021};
KW   tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW   Rule:MF_00021}.
FT   DOMAIN          63..167
FT                   /note="THUMP"
FT                   /evidence="ECO:0000259|PROSITE:PS51165"
FT   DOMAIN          406..488
FT                   /note="Rhodanese"
FT                   /evidence="ECO:0000259|PROSITE:PS50206"
FT   ACT_SITE        460
FT                   /note="Cysteine persulfide intermediate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         185..186
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         267
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         289
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         298
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
SQ   SEQUENCE   490 AA;  55234 MW;  0C9B171A95405011 CRC64;
     MIFTVRLFPE ITIKSHPVRK RWTRQLTENL RLLGRRIHEG TKVIQDWDRI EVRVPDDDDA
     VQAQFIDMLK RTPGISTFSL VSAYPFTTLH DIYEHALPLY GDLIANKTFC VRVKRTGKHD
     FTSTDAEKYV GGGLNQHTQA LGVRLKDPDV TVHIDIKDDY CYLVNGRFAG LGGFPMGTQD
     PVLSLVSGGF DSTVASYLMM KRGLRTHFCF FNLGGRDHEL GVKEIAFYLW NRYSASHRVR
     FVTVPFEGVV EEILEKIDPA NMGVVLKRMM LRAAEKIAAR GDIQALVTGE AVAQVSSQTI
     PNLSAIERVC NTLVLRPLIA MDKPEIIRLS REIGAEEFSA NIPEYCGVIS VKPSAKVRLD
     RLEAQEAQFD FSRLENAIEQ SRVQPIDAVM EDLRNPQAEV EAVAQLQPGD RIIDIRHPTE
     IDMRPLALPA DTDAALEIPF YSLSTRFAEL AREGRYLLYC DKGVMSQLHA RHLRDDGATN
     VAVYRPEKPV
//
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