ID W6MXX8_9ASCO Unreviewed; 365 AA.
AC W6MXX8;
DT 16-APR-2014, integrated into UniProtKB/TrEMBL.
DT 16-APR-2014, sequence version 1.
DT 24-JAN-2024, entry version 34.
DE RecName: Full=Cytoplasmic tRNA 2-thiolation protein 1 {ECO:0000256|HAMAP-Rule:MF_03053};
DE EC=2.7.7.- {ECO:0000256|HAMAP-Rule:MF_03053};
DE AltName: Full=Cytoplasmic tRNA adenylyltransferase 1 {ECO:0000256|HAMAP-Rule:MF_03053};
GN Name=NCS6 {ECO:0000256|HAMAP-Rule:MF_03053};
GN Synonyms=CTU1 {ECO:0000256|HAMAP-Rule:MF_03053};
GN ORFNames=KUCA_T00005653001 {ECO:0000313|EMBL:CDK29660.1};
OS Kuraishia capsulata CBS 1993.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Saccharomycetales incertae sedis; Kuraishia.
OX NCBI_TaxID=1382522 {ECO:0000313|EMBL:CDK29660.1};
RN [1] {ECO:0000313|EMBL:CDK29660.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=CBS 1993 {ECO:0000313|EMBL:CDK29660.1};
RA Genoscope - CEA;
RL Submitted (DEC-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:CDK29660.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=CBS 1993 {ECO:0000313|EMBL:CDK29660.1};
RA Morales L., Noel B., Porcel B., Marcet-Houben M., Hullo M-F., Sacerdot C.,
RA Tekaia F., Leh-Louis V., Despons L., Khanna V., Aury J-M., Barbe V.,
RA Couloux A., Labadie K., Pelletier E., Souciet J-L., Boekhout T.,
RA Gabaldon T., Wincker P., Dujon B.;
RT "Complete DNA sequence of /Kuraishia capsulata/ illustrates novel genomic
RT features among budding yeasts (/Saccharomycotina/).";
RL Submitted (FEB-2014) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Plays a central role in 2-thiolation of mcm(5)S(2)U at tRNA
CC wobble positions of tRNA(Lys), tRNA(Glu) and tRNA(Gln). Directly binds
CC tRNAs and probably acts by catalyzing adenylation of tRNAs, an
CC intermediate required for 2-thiolation. It is unclear whether it acts
CC as a sulfurtransferase that transfers sulfur from thiocarboxylated URM1
CC onto the uridine of tRNAs at wobble position. Prior mcm(5) tRNA
CC modification by the elongator complex is required for 2-thiolation. May
CC also be involved in protein urmylation. {ECO:0000256|HAMAP-
CC Rule:MF_03053}.
CC -!- PATHWAY: tRNA modification; 5-methoxycarbonylmethyl-2-thiouridine-tRNA
CC biosynthesis. {ECO:0000256|HAMAP-Rule:MF_03053}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03053}.
CC -!- SIMILARITY: Belongs to the TtcA family. CTU1/NCS6/ATPBD3 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_03053}.
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DR EMBL; HG793131; CDK29660.1; -; Genomic_DNA.
DR AlphaFoldDB; W6MXX8; -.
DR STRING; 1382522.W6MXX8; -.
DR HOGENOM; CLU_026481_1_0_1; -.
DR OrthoDB; 5483984at2759; -.
DR UniPathway; UPA00988; -.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0016779; F:nucleotidyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0032447; P:protein urmylation; IEA:UniProtKB-UniRule.
DR GO; GO:0034227; P:tRNA thio-modification; IEA:UniProtKB-UniRule.
DR GO; GO:0002098; P:tRNA wobble uridine modification; IEA:UniProtKB-UniRule.
DR CDD; cd01993; Alpha_ANH_like_II; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR HAMAP; MF_03053; CTU1; 1.
DR InterPro; IPR032442; CTU1_C.
DR InterPro; IPR000541; Ncs6/Tuc1/Ctu1.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR011063; TilS/TtcA_N.
DR InterPro; IPR035107; tRNA_thiolation_TtcA_Ctu1.
DR InterPro; IPR020554; UPF0021_CS.
DR PANTHER; PTHR11807; ATPASES OF THE PP SUPERFAMILY-RELATED; 1.
DR PANTHER; PTHR11807:SF12; CYTOPLASMIC TRNA 2-THIOLATION PROTEIN 1; 1.
DR Pfam; PF01171; ATP_bind_3; 1.
DR Pfam; PF16503; zn-ribbon_14; 1.
DR PIRSF; PIRSF004976; ATPase_YdaO; 1.
DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
DR PROSITE; PS01263; UPF0021; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|PIRSR:PIRSR004976-51};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03053};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR004976-51};
KW RNA-binding {ECO:0000256|HAMAP-Rule:MF_03053};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_03053};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_03053}; tRNA-binding {ECO:0000256|HAMAP-Rule:MF_03053}.
FT DOMAIN 60..242
FT /note="tRNA(Ile)-lysidine/2-thiocytidine synthase N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF01171"
FT DOMAIN 311..341
FT /note="Cytoplasmic tRNA 2-thiolation protein 1 C-terminal"
FT /evidence="ECO:0000259|Pfam:PF16503"
FT BINDING 64..66
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR004976-51"
FT BINDING 70
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR004976-51"
FT BINDING 96
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR004976-51"
FT BINDING 174
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR004976-51"
FT BINDING 179
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR004976-51"
SQ SEQUENCE 365 AA; 40952 MW; 56990EE8D781090C CRC64;
MSTARVPRAK ILCELCHDRK AIMKRPKNLQ KICKECFYHV FETEIHNTII DANLFQRGEK
VAIGASGGKD STVLASVLKT LNERYDYGLE LVLLSIDEGI VGYRDDSLAT VKRNQKQYDM
HLEIVSYKDL FKWSMDEIVA CAGVRSSCTY CGVMRRQALD RGATKLGISH VVTGHNADDM
AETVLMNLLR GDTGRLEKSV NILTESSGSP VKRSKPFKYT YQKEIVLYAH YKKLDYFSTE
CTYAPEAFRG TARVLLKNLE AVRPSCIIDI IRSGEQLKLR PKKQRMRVSA VAQEVEVKRD
GSVSLKPESS NTCERCGYLS NNRICQACFL LEGLEKNRAK VLIEGGNTAI AGAAKITREL
EALSF
//