TRUB_IDILO
ID TRUB_IDILO Reviewed; 310 AA.
AC Q5QTZ0;
DT 26-APR-2005, integrated into UniProtKB/Swiss-Prot.
DT 04-JAN-2005, sequence version 1.
DT 25-MAY-2022, entry version 105.
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=IL0966;
OS Idiomarina loihiensis (strain ATCC BAA-735 / DSM 15497 / L2-TR).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Idiomarinaceae; Idiomarina.
OX NCBI_TaxID=283942;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-735 / DSM 15497 / L2-TR;
RX PubMed=15596722; DOI=10.1073/pnas.0407638102;
RA Hou S., Saw J.H., Lee K.S., Freitas T.A., Belisle C., Kawarabayasi Y.,
RA Donachie S.P., Pikina A., Galperin M.Y., Koonin E.V., Makarova K.S.,
RA Omelchenko M.V., Sorokin A., Wolf Y.I., Li Q.X., Keum Y.S., Campbell S.,
RA Denery J., Aizawa S., Shibata S., Malahoff A., Alam M.;
RT "Genome sequence of the deep-sea gamma-proteobacterium Idiomarina
RT loihiensis reveals amino acid fermentation as a source of carbon and
RT energy.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:18036-18041(2004).
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; AE017340; AAV81806.1; -; Genomic_DNA.
DR RefSeq; WP_011234217.1; NC_006512.1.
DR AlphaFoldDB; Q5QTZ0; -.
DR SMR; Q5QTZ0; -.
DR STRING; 283942.IL0966; -.
DR EnsemblBacteria; AAV81806; AAV81806; IL0966.
DR KEGG; ilo:IL0966; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_3_6; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000001171; 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_0000121846"
FT ACT_SITE 49
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 310 AA; 33976 MW; 76948AEA0B1C5DC5 CRC64;
MSKARLRKGR ALTGVVLLNK PQGMSSNHAL QRVKRLYNAQ KAGHTGALDP LATGILPVCL
GEATKFSQYL LDADKAYRVE ATLGVRTTTS DAEGEVVEEK PVAVDTAKVA DAIKQFIGEQ
DQSPSIYSAL KHEGRPLYYY ARQGIEVPKK TRTITVHSIE LLNIQDNKVT LQVSCSKGTY
IRTLVDDLGQ LLGCGAHVSM LHRNAVADIA EAAMVTLEQL ETLAEEGYEG LDALLHPADL
LLGQLPEVTV TQAQTRDFLH GQPIPLPEQN GNDAEEWRVA TENSLFLGVA RVKNAELWPR
RVIAREHVDL