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Database: UniProt
Entry: D1P6A9_9GAMM
LinkDB: D1P6A9_9GAMM
Original site: D1P6A9_9GAMM 
ID   D1P6A9_9GAMM            Unreviewed;       483 AA.
AC   D1P6A9;
DT   09-FEB-2010, integrated into UniProtKB/TrEMBL.
DT   09-FEB-2010, sequence version 1.
DT   27-MAR-2024, entry version 83.
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:EFB71232.1};
GN   ORFNames=PROVRUST_07775 {ECO:0000313|EMBL:EFB71232.1};
OS   Providencia rustigianii DSM 4541.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Morganellaceae; Providencia.
OX   NCBI_TaxID=500637 {ECO:0000313|EMBL:EFB71232.1, ECO:0000313|Proteomes:UP000005512};
RN   [1] {ECO:0000313|EMBL:EFB71232.1, ECO:0000313|Proteomes:UP000005512}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 4541 {ECO:0000313|EMBL:EFB71232.1,
RC   ECO:0000313|Proteomes:UP000005512};
RA   Weinstock G., Sodergren E., Clifton S., Fulton L., Fulton B., Courtney L.,
RA   Fronick C., Harrison M., Strong C., Farmer C., Delahaunty K., Markovic C.,
RA   Hall O., Minx P., Tomlinson C., Mitreva M., Nelson J., Hou S., Wollam A.,
RA   Pepin K.H., Johnson M., Bhonagiri V., Nash W.E., Warren W., Chinwalla A.,
RA   Mardis E.R., Wilson R.K.;
RL   Submitted (DEC-2009) 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:EFB71232.1}.
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DR   EMBL; ABXV02000042; EFB71232.1; -; Genomic_DNA.
DR   RefSeq; WP_006815773.1; NZ_GG703820.1.
DR   AlphaFoldDB; D1P6A9; -.
DR   STRING; 500637.PROVRUST_07775; -.
DR   GeneID; 76390791; -.
DR   eggNOG; COG0301; Bacteria.
DR   eggNOG; COG0607; Bacteria.
DR   HOGENOM; CLU_037952_4_1_6; -.
DR   UniPathway; UPA00060; -.
DR   Proteomes; UP000005512; Unassembled WGS sequence.
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; PF00581; Rhodanese; 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   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          61..165
FT                   /note="THUMP"
FT                   /evidence="ECO:0000259|PROSITE:PS51165"
FT   DOMAIN          405..481
FT                   /note="Rhodanese"
FT                   /evidence="ECO:0000259|PROSITE:PS50206"
FT   ACT_SITE        457
FT                   /note="Cysteine persulfide intermediate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         183..184
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         265
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         287
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
FT   BINDING         296
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00021"
SQ   SEQUENCE   483 AA;  54772 MW;  1DE54ED09864C341 CRC64;
     MKFIIKLFPE ITIKSQTVRI RFIKILTSSI RNVLKSLGEE VSVVRNWDNI EVRVKGDSKH
     DEICDMLSRI PGIHHILEVE EKPFTSLHHI FEMTLESYGA SLENKTFCVR VKRRGKHEFS
     SIDAERYIGG GLNQHIASAK VKLKDPDTTV HLEIEDENLI LVKRRIEGIG GFPIGTQEDV
     LSLISGGFDS GVSSYMLMRR GCRVHYCFFN LGGAAHEIGV KQIAYYLWNR FGSSHKVRFI
     AVNFEPVVAE ILEKIDDGQM GVVLKRMMVR AASRVAERYG VQAIVTGEAL GQVSSQTLTN
     LRLIDNASDT LILRPLISHD KEHIIKLARQ IGTEDFAKTM PEYCGVISKS PTVKAVKARI
     EAEEANFDFN ILDSVIEQAK NIDIRQIAEE SREQVAEVEM VSELSAENEV ILDIRSIDEF
     EDKPLKVDGI EIKHIPFYKL GTQFGDLPKE KTYLLYCDRG VMSRLQALYL KEQGFDNIKV
     YRP
//
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