TRUB_GLOC7
ID TRUB_GLOC7 Reviewed; 308 AA.
AC B7KGX7;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 25-MAY-2022, entry version 72.
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};
GN OrderedLocusNames=PCC7424_5113;
OS Gloeothece citriformis (strain PCC 7424) (Cyanothece sp. (strain PCC
OS 7424)).
OC Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC Aphanothecaceae; Gloeothece; Gloeothece citriformis.
OX NCBI_TaxID=65393;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7424;
RX PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA Sherman L.A., Pakrasi H.B.;
RT "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT unicellular nitrogen-fixing Cyanobacteria.";
RL MBio 2:E214-E214(2011).
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; CP001291; ACK73464.1; -; Genomic_DNA.
DR AlphaFoldDB; B7KGX7; -.
DR SMR; B7KGX7; -.
DR STRING; 65393.PCC7424_5113; -.
DR EnsemblBacteria; ACK73464; ACK73464; PCC7424_5113.
DR KEGG; cyc:PCC7424_5113; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_0_3; -.
DR OMA; ELQFIRW; -.
DR Proteomes; UP000002384; 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; 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 TIGRFAMs; TIGR00431; TruB; 1.
PE 3: Inferred from homology;
KW Isomerase; Reference proteome; tRNA processing.
FT CHAIN 1..308
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_1000136814"
FT ACT_SITE 45
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 308 AA; 33494 MW; 2960BE0FF5A70F4D CRC64;
MGDNLLTMLG FLNLNKPGGW TSHDCVAKIR RLLKIKRVGH GGTLDPAATG VLPIAVGKAT
RLLPFLPEKK AYQARIRLGV TTNTDDLQGE ILQIGSANHL TLEQIDPLLR QFIGEIEQIP
PAFSAISQGG KRLYELARKG ELVTPPSRIV HVEKINILDW YPGEHPELEL EIICGGGTYI
RSIARDLGNL LGVGGTLANL IRTQSCGLEL SKSLTLADLE TQQHQGNLPL IFPQLALKHL
LTISLSAPEA RRWCQGQSIV IINSIKLPQS QSVQVVGENG DFLGIGEIAT VNISDDREQT
LIPKVVLS
