ID   TRUB_BORBZ              Reviewed;         282 AA.
AC   B7J0P9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 68.
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=BbuZS7_0833;
OS   Borreliella burgdorferi (strain ZS7) (Borrelia burgdorferi).
OC   Bacteria; Spirochaetes; Spirochaetales; Borreliaceae; Borreliella.
OX   NCBI_TaxID=445985;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ZS7;
RX   PubMed=20935092; DOI=10.1128/jb.01158-10;
RA   Schutzer S.E., Fraser-Liggett C.M., Casjens S.R., Qiu W.G., Dunn J.J.,
RA   Mongodin E.F., Luft B.J.;
RT   "Whole-genome sequences of thirteen isolates of Borrelia burgdorferi.";
RL   J. Bacteriol. 193:1018-1020(2011).
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; CP001205; ACK74501.1; -; Genomic_DNA.
DR   RefSeq; WP_002657230.1; NC_011728.1.
DR   AlphaFoldDB; B7J0P9; -.
DR   SMR; B7J0P9; -.
DR   EnsemblBacteria; ACK74501; ACK74501; BbuZS7_0833.
DR   GeneID; 56567382; -.
DR   KEGG; bbz:BbuZS7_0833; -.
DR   HOGENOM; CLU_032087_0_2_12; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000006901; 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   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   PANTHER; PTHR13767; PTHR13767; 1.
DR   Pfam; PF01509; TruB_N; 1.
DR   SUPFAM; SSF55120; SSF55120; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; tRNA processing.
FT   CHAIN           1..282
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000136809"
FT   ACT_SITE        39
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   282 AA;  32145 MW;  E5ECBE59216ED9C3 CRC64;
     MENGFLLINK EQGKTSFETL FPIKKYFNTN RVGHAGTLDK FASGILVCLV GKYTKLSGYF
     TSLDKEYVAE FRFGLETDTL DPNGRIVSKT DYIPNVEDID LKLKDFVGEI YQSPPRFSSV
     HIDGSRAYKL ALNGKFFEIK KRKVTVYNIQ RLSYDFSSSL LSLKISCSKG TYIRSIARDL
     AYSLNSCAYV SNLKRTKVGM FRLKDSTLCE NLSKASLISL ESLKSFEKVY IDSNKINLVK
     NGVYFEIEIN INEFKILKSR EEKILAVIQG VGLNKYKYVI IF