THII_SODGM
ID THII_SODGM Reviewed; 483 AA.
AC Q2NV91;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 07-FEB-2006, sequence version 1.
DT 03-AUG-2022, entry version 95.
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=SG0659;
OS Sodalis glossinidius (strain morsitans).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Bruguierivoracaceae; Sodalis.
OX NCBI_TaxID=343509;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=morsitans;
RX PubMed=16365377; DOI=10.1101/gr.4106106;
RA Toh H., Weiss B.L., Perkin S.A.H., Yamashita A., Oshima K., Hattori M.,
RA Aksoy S.;
RT "Massive genome erosion and functional adaptations provide insights into
RT the symbiotic lifestyle of Sodalis glossinidius in the tsetse host.";
RL Genome Res. 16:149-156(2006).
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; AP008232; BAE73934.1; -; Genomic_DNA.
DR RefSeq; WP_011410522.1; NZ_LN854557.1.
DR AlphaFoldDB; Q2NV91; -.
DR SMR; Q2NV91; -.
DR STRING; 343509.SG0659; -.
DR EnsemblBacteria; BAE73934; BAE73934; SG0659.
DR KEGG; sgl:SG0659; -.
DR eggNOG; COG0301; Bacteria.
DR eggNOG; COG0607; Bacteria.
DR HOGENOM; CLU_037952_4_1_6; -.
DR OMA; SMPEFCG; -.
DR OrthoDB; 773697at2; -.
DR BioCyc; SGLO343509:SGP1_RS05695-MON; -.
DR UniPathway; UPA00060; -.
DR Proteomes; UP000001932; 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 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..483
FT /note="tRNA sulfurtransferase"
FT /id="PRO_1000074281"
FT DOMAIN 61..165
FT /note="THUMP"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT DOMAIN 405..483
FT /note="Rhodanese"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
FT ACT_SITE 457
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..457
FT /note="Redox-active"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00021"
SQ SEQUENCE 483 AA; 54337 MW; 97F554E7AD3C6F37 CRC64;
MKFIIKLFPE ITIKSQSVRL RFIKILTSNI RNILKHCDES VAVVRHWDHI EVRAGDEQHR
PLVADALTLI PGIHHILAVE ERPWQDMHDI YLQTLVMYRD RLVGKSFCVR VKRRGTHDFT
SQDVERYVGG GLNQNVDNTR VKLTHPDETV LLEIDNDRLL LITERLEGLG GFPIGTQEDV
LSLISGGFDS GVSSYMLMRR GCRVNYCFFN LGGAAHEIGV RQVAHHLWRR FGQSHKVRFV
SLDFAPVVNE ILAKVEDGQM GIVLKRMMVR AASAIAERYG IQALVTGEAL GQVSSQTLTN
LRLIDNASDT LILRPLISHD KEHIITLAHQ IGTEEYAKTM PEYCGVISKS PTVRAVKSRI
EQEEGQFDFA VLETAVAQAQ VVDIRELVAE EGNAPVAEVE TTAELGSGDV VLDIRSQDEQ
EGCPLTLANV AVQTLPFYKL GSHFGELDQS KLYLLYCDRG VMSRLQALYL REQGFQNVKV
YRP
