ID   TRUB_THEON              Reviewed;         334 AA.
AC   B6YSP4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-JAN-2009, sequence version 1.
DT   25-MAY-2022, entry version 85.
DE   RecName: Full=Probable tRNA pseudouridine synthase B {ECO:0000255|HAMAP-Rule:MF_01081};
DE            EC=5.4.99.25 {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA pseudouridine(55) synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE            Short=Psi55 synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA pseudouridylate synthase {ECO:0000255|HAMAP-Rule:MF_01081};
DE   AltName: Full=tRNA-uridine isomerase {ECO:0000255|HAMAP-Rule:MF_01081};
GN   Name=truB {ECO:0000255|HAMAP-Rule:MF_01081}; OrderedLocusNames=TON_0096;
OS   Thermococcus onnurineus (strain NA1).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Thermococcus.
OX   NCBI_TaxID=523850;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NA1;
RX   PubMed=18790866; DOI=10.1128/jb.00746-08;
RA   Lee H.S., Kang S.G., Bae S.S., Lim J.K., Cho Y., Kim Y.J., Jeon J.H.,
RA   Cha S.-S., Kwon K.K., Kim H.-T., Park C.-J., Lee H.-W., Kim S.I., Chun J.,
RA   Colwell R.R., Kim S.-J., Lee J.-H.;
RT   "The complete genome sequence of Thermococcus onnurineus NA1 reveals a
RT   mixed heterotrophic and carboxydotrophic metabolism.";
RL   J. Bacteriol. 190:7491-7499(2008).
CC   -!- FUNCTION: Could be responsible for synthesis of pseudouridine from
CC       uracil-55 in the psi GC loop of transfer RNAs. {ECO:0000255|HAMAP-
CC       Rule:MF_01081}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine(55) in tRNA = pseudouridine(55) in tRNA;
CC         Xref=Rhea:RHEA:42532, Rhea:RHEA-COMP:10101, Rhea:RHEA-COMP:10102,
CC         ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.25;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01081};
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 2
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01081}.
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DR   EMBL; CP000855; ACJ15581.1; -; Genomic_DNA.
DR   RefSeq; WP_012571054.1; NC_011529.1.
DR   AlphaFoldDB; B6YSP4; -.
DR   SMR; B6YSP4; -.
DR   STRING; 523850.TON_0096; -.
DR   EnsemblBacteria; ACJ15581; ACJ15581; TON_0096.
DR   GeneID; 7017743; -.
DR   KEGG; ton:TON_0096; -.
DR   PATRIC; fig|523850.10.peg.96; -.
DR   eggNOG; arCOG00987; Archaea.
DR   HOGENOM; CLU_032087_3_0_2; -.
DR   OMA; GPFKEDE; -.
DR   OrthoDB; 36028at2157; -.
DR   Proteomes; UP000002727; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0031119; P:tRNA pseudouridine synthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.30.130.10; -; 1.
DR   HAMAP; MF_01081; TruB_arch; 1.
DR   InterPro; IPR012960; Dyskerin-like.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR002478; PUA.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
DR   InterPro; IPR004802; tRNA_PsdUridine_synth_B_fam.
DR   InterPro; IPR026326; TruB_arch.
DR   InterPro; IPR032819; TruB_C.
DR   InterPro; IPR004521; Uncharacterised_CHP00451.
DR   PANTHER; PTHR23127; PTHR23127; 1.
DR   Pfam; PF08068; DKCLD; 1.
DR   Pfam; PF01472; PUA; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 2.
DR   SMART; SM01136; DKCLD; 1.
DR   SMART; SM00359; PUA; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR00425; CBF5; 1.
DR   TIGRFAMs; TIGR00451; unchar_dom_2; 1.
DR   PROSITE; PS50890; PUA; 1.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..334
FT                   /note="Probable tRNA pseudouridine synthase B"
FT                   /id="PRO_1000136826"
FT   DOMAIN          250..325
FT                   /note="PUA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01081"
FT   ACT_SITE        82
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01081"
SQ   SEQUENCE   334 AA;  37749 MW;  DD56EF1037216F12 CRC64;
     MARDEVRRIL PADIKREVLI KDEKAETNPK WGFPPEKRPM EMHMQFGIIN LDKPPGPTSH
     EVVAWVKKLF NLNKAGHGGT LDPKVSGVLP VALERATRVV QALLPAGKEY VALMHLHGEV
     PEDKIYAVMK EFEGEIIQRP PLRSAVKRRL RTRKVYYIEI LEIDGKDVLF RVGVEAGTYI
     RSLIHHIGLA LGVGAHMAEL RRTRSGPFKE DETLVTLHDL VDYYHFWKED GIEEYFRKAI
     QPMEKAVEHL PKVWIRDSAV AAVTHGADLA VPGIVKVHKG IKKGDLVAVM TLKDELVALG
     KATMTSGEML QKSKGIAVDV DKVFMPRDWY PKLW