ID   TRUB_PSYIN              Reviewed;         310 AA.
AC   A1ST47;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 91.
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=Ping_0819;
OS   Psychromonas ingrahamii (strain 37).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Psychromonadaceae; Psychromonas.
OX   NCBI_TaxID=357804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=37;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Thompson L.S., Brettin T., Bruce D., Han C., Tapia R., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Ivanova N., Staley J.,
RA   Richardson P.;
RT   "Complete sequence of Psychromonas ingrahamii 37.";
RL   Submitted (JAN-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}.
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DR   EMBL; CP000510; ABM02662.1; -; Genomic_DNA.
DR   RefSeq; WP_011769225.1; NC_008709.1.
DR   AlphaFoldDB; A1ST47; -.
DR   SMR; A1ST47; -.
DR   STRING; 357804.Ping_0819; -.
DR   EnsemblBacteria; ABM02662; ABM02662; Ping_0819.
DR   KEGG; pin:Ping_0819; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_3_6; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
DR   Proteomes; UP000000639; 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..310
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084652"
FT   ACT_SITE        47
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   310 AA;  34245 MW;  7B4CDF06F3D15847 CRC64;
     MARRGKGRSI NGIILLDKPT DISSNHALQR VKRIFFANKA GHTGALDPLA TGMLPVCLGE
     ATKFSQFLLD SDKRYIVTAT LGVRTTTSDS QGDVVSERPV EVTQTQLDQA LDTFRGDIMQ
     VPSMFSALKH KGQPLYKYAR EGITIEREAR PITVYEINQL RFEGNEVELD IHVSKGTYIR
     TIVDDLGELL GCGAHVSVLR RTQVADYPYD KMVTIEQLEA LIEQAKESDV SPYDLLDPLL
     LDMDTAVKKY PEVNISDEMG EYVLHGQPVQ VFGAPDNTVL RITVGEAHTF IGVGKMNEAG
     LIAPTRLANL