ID   TRUB_CAMJJ              Reviewed;         272 AA.
AC   A1W089;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 83.
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};
GN   OrderedLocusNames=CJJ81176_1120;
OS   Campylobacter jejuni subsp. jejuni serotype O:23/36 (strain 81-176).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=354242;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=81-176;
RA   Fouts D.E., Nelson K.E., Sebastian Y.;
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000538; EAQ72197.1; -; Genomic_DNA.
DR   RefSeq; WP_002856304.1; NC_008787.1.
DR   AlphaFoldDB; A1W089; -.
DR   SMR; A1W089; -.
DR   STRING; 354242.CJJ81176_1120; -.
DR   EnsemblBacteria; EAQ72197; EAQ72197; CJJ81176_1120.
DR   KEGG; cjj:CJJ81176_1120; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_2_0_7; -.
DR   OMA; ELQFIRW; -.
DR   Proteomes; UP000000646; 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   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..272
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084566"
FT   ACT_SITE        38
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   272 AA;  31381 MW;  B4B87FAB0E229FD0 CRC64;
     MNKIFAAFKP RGLSSNAFLS TLKKKYKNKK AGYSGTLDPF AKGVLIVAFG QYTKLFRFLK
     KTPKTYKATL WLGVYSLSLD DQNIKEIKNI KEFDLANLQQ IIDQMQGIIS YTPPQFSAKR
     INGTRAYELA KKGIEANLKP CQMEVFDCKI LSYNHPFLNI EITVSEGAYI RSYCELFARK
     LGINATLSSL ERIKEGKFVY NNEKSLNVLK YIDLKPNFIK ELNKLENGAK IFVEELEFHD
     EGDYYIETEK YFSIINIKEN TVKYLLNKVE KC