ID   TRUB_BRADU              Reviewed;         345 AA.
AC   Q89WB1;
DT   26-SEP-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 107.
DE   RecName: Full=tRNA pseudouridine synthase B {ECO:0000255|HAMAP-Rule:MF_01080};
DE            EC=5.4.99.25 {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridine(55) synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE            Short=Psi55 synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA pseudouridylate synthase {ECO:0000255|HAMAP-Rule:MF_01080};
DE   AltName: Full=tRNA-uridine isomerase {ECO:0000255|HAMAP-Rule:MF_01080};
GN   Name=truB {ECO:0000255|HAMAP-Rule:MF_01080}; OrderedLocusNames=bll0781;
OS   Bradyrhizobium diazoefficiens (strain JCM 10833 / BCRC 13528 / IAM 13628 /
OS   NBRC 14792 / USDA 110).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Bradyrhizobium.
OX   NCBI_TaxID=224911;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCM 10833 / BCRC 13528 / IAM 13628 / NBRC 14792 / USDA 110;
RX   PubMed=12597275; DOI=10.1093/dnares/9.6.189;
RA   Kaneko T., Nakamura Y., Sato S., Minamisawa K., Uchiumi T., Sasamoto S.,
RA   Watanabe A., Idesawa K., Iriguchi M., Kawashima K., Kohara M.,
RA   Matsumoto M., Shimpo S., Tsuruoka H., Wada T., Yamada M., Tabata S.;
RT   "Complete genomic sequence of nitrogen-fixing symbiotic bacterium
RT   Bradyrhizobium japonicum USDA110.";
RL   DNA Res. 9:189-197(2002).
CC   -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-55 in
CC       the psi GC loop of transfer RNAs. {ECO:0000255|HAMAP-Rule:MF_01080}.
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_01080};
CC   -!- SIMILARITY: Belongs to the pseudouridine synthase TruB family. Type 1
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01080}.
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DR   EMBL; BA000040; BAC46046.1; -; Genomic_DNA.
DR   RefSeq; NP_767421.1; NC_004463.1.
DR   AlphaFoldDB; Q89WB1; -.
DR   SMR; Q89WB1; -.
DR   STRING; 224911.27349030; -.
DR   EnsemblBacteria; BAC46046; BAC46046; BAC46046.
DR   KEGG; bja:bll0781; -.
DR   PATRIC; fig|224911.5.peg.805; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_3_5; -.
DR   InParanoid; Q89WB1; -.
DR   OMA; ELQFIRW; -.
DR   PhylomeDB; Q89WB1; -.
DR   Proteomes; UP000002526; Chromosome.
DR   GO; GO:0009982; F:pseudouridine synthase activity; IBA:GO_Central.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0106029; F:tRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:1990481; P:mRNA pseudouridine synthesis; IBA:GO_Central.
DR   GO; GO:0006400; P:tRNA modification; IBA:GO_Central.
DR   GO; GO:0031119; P:tRNA pseudouridine synthesis; IEA:UniProtKB-UniRule.
DR   CDD; cd02573; PseudoU_synth_EcTruB; 1.
DR   HAMAP; MF_01080; TruB_bact; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR   InterPro; IPR015240; tRNA_sdUridine_synth_fam1_C.
DR   InterPro; IPR032819; TruB_C.
DR   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF09157; TruB-C_2; 1.
DR   Pfam; PF16198; TruB_C_2; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; tRNA processing.
FT   CHAIN           1..345
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_0000121803"
FT   REGION          1..33
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        12..33
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        72
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   345 AA;  37572 MW;  EFEF73795D4AD951 CRC64;
     MGGNSQPHQE PRRVNNDPRA KQQKGNQVRR DRRDVHGWVV LDKPIGMTST QAVAVLKRLF
     NAKRAGHAGT LDPLASGGLP IALGEATKTV PFVMDGRKRY QFTVCWGEER DTDDIEGRVT
     ATSELRPTRE AILALLPRFT GVIEQIPPRY SAIKIQGERA YDLARDGEVV ELAPRPVEIH
     RLTLVDQPDN DRAVFEAECG KGTYVRALAR DMGRILGTYG HICALRRTLV GPFGENDMIP
     LDQLEALCDR AASGEGSLAD ALLPVETALD DIPALAVTRA DAARLHRGQA VLLRGRDAPT
     CSGTVYVTVA GRLLALAEVG NGEIIPKRVF NLTGLTASPG RNERN