ID   TRUB_PSEF5              Reviewed;         305 AA.
AC   Q4KIF4;
DT   04-APR-2006, integrated into UniProtKB/Swiss-Prot.
DT   02-AUG-2005, sequence version 1.
DT   25-MAY-2022, entry version 97.
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=PFL_0846;
OS   Pseudomonas fluorescens (strain ATCC BAA-477 / NRRL B-23932 / Pf-5).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=220664;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-477 / NRRL B-23932 / Pf-5;
RX   PubMed=15980861; DOI=10.1038/nbt1110;
RA   Paulsen I.T., Press C.M., Ravel J., Kobayashi D.Y., Myers G.S.A.,
RA   Mavrodi D.V., DeBoy R.T., Seshadri R., Ren Q., Madupu R., Dodson R.J.,
RA   Durkin A.S., Brinkac L.M., Daugherty S.C., Sullivan S.A., Rosovitz M.J.,
RA   Gwinn M.L., Zhou L., Schneider D.J., Cartinhour S.W., Nelson W.C.,
RA   Weidman J., Watkins K., Tran K., Khouri H., Pierson E.A., Pierson L.S. III,
RA   Thomashow L.S., Loper J.E.;
RT   "Complete genome sequence of the plant commensal Pseudomonas fluorescens
RT   Pf-5.";
RL   Nat. Biotechnol. 23:873-878(2005).
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; CP000076; AAY96244.1; -; Genomic_DNA.
DR   RefSeq; WP_011059204.1; NC_004129.6.
DR   AlphaFoldDB; Q4KIF4; -.
DR   SMR; Q4KIF4; -.
DR   STRING; 220664.PFL_0846; -.
DR   PRIDE; Q4KIF4; -.
DR   EnsemblBacteria; AAY96244; AAY96244; PFL_0846.
DR   GeneID; 57473847; -.
DR   KEGG; pfl:PFL_0846; -.
DR   PATRIC; fig|220664.5.peg.866; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_3_6; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000008540; 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..305
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_0000229371"
FT   ACT_SITE        48
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   305 AA;  33495 MW;  AB3C2E9235DD82F1 CRC64;
     MAQVKRIRRN VSGIILLDKP LGFTSNAALQ KVRWLLNAEK AGHTGSLDPL ATGVLPLCFG
     EATKFSQYLL DSDKGYETLA QLGKTTTTAD AEGEVLQTRE VTVGRADIEA VLPEFRGEIK
     QIPPMYSALK RDGQPLYKLA RAGEVVEREP RSVTIARLEL LAFEGDTARL AVDCSKGTYI
     RTLVEDIGEK LGCGAYVAEL RRTQAGPFSL AQTVTLEELE AVHAEGGNEA VDRFLMPSDS
     GLLDWPLLQF SEHSAFYWLN GQPVRAPDAP KFGMVRVQDH NGRFIGIGEV SEDGRIAPRR
     LIRSE