ID   TRUB_MARMS              Reviewed;         308 AA.
AC   A6VU31;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 81.
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=Mmwyl1_1029;
OS   Marinomonas sp. (strain MWYL1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Oceanospirillaceae; Marinomonas.
OX   NCBI_TaxID=400668;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MWYL1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Kiss H., Brettin T., Bruce D., Detter J.C., Han C.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Johnston A.W.B., Todd J.D., Rogers R., Wexler M., Bond P.L., Li Y.,
RA   Richardson P.;
RT   "Complete sequence of Marinomonas sp. MWYL1.";
RL   Submitted (JUN-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; CP000749; ABR69960.1; -; Genomic_DNA.
DR   RefSeq; WP_012068747.1; NC_009654.1.
DR   AlphaFoldDB; A6VU31; -.
DR   SMR; A6VU31; -.
DR   STRING; 400668.Mmwyl1_1029; -.
DR   EnsemblBacteria; ABR69960; ABR69960; Mmwyl1_1029.
DR   KEGG; mmw:Mmwyl1_1029; -.
DR   eggNOG; COG0130; Bacteria.
DR   HOGENOM; CLU_032087_0_3_6; -.
DR   OMA; ELQFIRW; -.
DR   OrthoDB; 1166299at2; -.
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; tRNA processing.
FT   CHAIN           1..308
FT                   /note="tRNA pseudouridine synthase B"
FT                   /id="PRO_1000084622"
FT   ACT_SITE        46
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ   SEQUENCE   308 AA;  34305 MW;  122E86CEF2A0F992 CRC64;
     MVKAKWRSVD GIVLLNKPIG LSSNQALQRV RRLYQAAKAG HTGALDPLAT GMLPLCLGEA
     TKFSQYLLDA DKRYLTCIQL GKRTTTGDRE GEVLTEDSVP TLTDESLEEI LNGFRGEIEQ
     IPPMYSALKH EGKPLYEYAR QGIVIERKRR RVTISNLTLV SRTEDTLTLD IQCSKGTYIR
     TIGEDIGEAL GCGAHLHSLH RISTAGYLPE NMMTLEEFEA IAEQGYDALD AHLITMDTAV
     EHFAKVELPE SDTVNMMFGR TVPSPVSLEH EAVVRMYDQG TQRFLGLGQI KGAFIRPYRL
     VNTSEFSL