ID   TRUB_CITK8              Reviewed;         314 AA.
AC   A8AQ55;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=CKO_04565;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) 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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000822; ABV15618.1; -; Genomic_DNA.
DR   RefSeq; WP_012135299.1; NC_009792.1.
DR   AlphaFoldDB; A8AQ55; -.
DR   SMR; A8AQ55; -.
DR   STRING; 290338.CKO_04565; -.
DR   EnsemblBacteria; ABV15618; ABV15618; CKO_04565.
DR   GeneID; 45138110; -.
DR   KEGG; cko:CKO_04565; -.
DR   HOGENOM; CLU_032087_0_3_6; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000008148; 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   Gene3D; 2.30.130.10; -; 1.
DR   HAMAP; MF_01080; TruB_bact; 1.
DR   InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR   InterPro; IPR002501; PsdUridine_synth_N.
DR   InterPro; IPR015947; PUA-like_sf.
DR   InterPro; IPR036974; PUA_sf.
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   SUPFAM; SSF88697; SSF88697; 1.
DR   TIGRFAMs; TIGR00431; TruB; 1.
PE   3: Inferred from homology;
KW   Isomerase; Reference proteome; tRNA processing.
FT   CHAIN           1..314
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084569"
FT   ACT_SITE        48
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT   BINDING         43
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT   BINDING         76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT   BINDING         179
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
FT   BINDING         200
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   314 AA;  35227 MW;  E182326F3BE6E328 CRC64;
     MSRPRRRGRD IHGVLLLDKP QGMSSNDVLQ KVKRIYNANR AGHTGALDPL ATGMLPICLG
     EATKFSQYLL DSDKRYRVIA RLGQRTDTSD ADGQIVQERP VTFSAEQLAA ALETFRGDIE
     QIPSMYSALK YQGKKLYEYA RQGIEVPREA RPITVYELLF IRHEGDELEL EVHCSKGTYI
     RTIIDDLGEK LGCGAHVIFL RRLAVSKYPV DRMVTLEQLR ELVEQAERQD IPAAQLLDPL
     LMPMDSPASD YPVVNLPLTS SVYFKNGNPV RTTGVPLEGL VRVTEGDDEK FIGMGEIDDE
     GRVAPRRLVV EYPA