TRUB_PROM0
ID TRUB_PROM0 Reviewed; 305 AA.
AC A3PEI1;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 03-APR-2007, sequence version 1.
DT 25-MAY-2022, entry version 87.
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=P9301_15331;
OS Prochlorococcus marinus (strain MIT 9301).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=167546;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9301;
RX PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA Richardson P., Chisholm S.W.;
RT "Patterns and implications of gene gain and loss in the evolution of
RT Prochlorococcus.";
RL PLoS Genet. 3:2515-2528(2007).
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; CP000576; ABO18156.1; -; Genomic_DNA.
DR RefSeq; WP_011863460.1; NC_009091.1.
DR AlphaFoldDB; A3PEI1; -.
DR SMR; A3PEI1; -.
DR STRING; 167546.P9301_15331; -.
DR EnsemblBacteria; ABO18156; ABO18156; P9301_15331.
DR KEGG; pmg:P9301_15331; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_0_3; -.
DR OMA; ELQFIRW; -.
DR Proteomes; UP000001430; 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 HAMAP; MF_01080; TruB_bact; 1.
DR InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR InterPro; IPR002501; PsdUridine_synth_N.
DR InterPro; IPR014780; tRNA_psdUridine_synth_TruB.
DR PANTHER; PTHR13767; PTHR13767; 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..305
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_1000084637"
FT ACT_SITE 41
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 305 AA; 34672 MW; C83FEB8B31812ABE CRC64;
METKDGFLVI NKDKGCTSHD CVKQIRKLLN TKKVGHTGTL DPEVIGILPI AIGSATRFIQ
YLPQGKTYIG QIKLGIRTNT DDIHGEIINQ KSWPKISDEK LDQYLNRFRG IIKQIPPKVS
SVHINGERAY KKSFRNEVFE LAPREVKIDE LTLMKWDQIN GILEIKVKCS AGTYIRAIAR
DLGEILNSEG CLLQLKRISA CGFDEQNSIK ISDIEKDKKN SKNFIIPTIS ALNHISSFVL
STEEQINFWQ TGRAIRVDIN YFQENKSFDY KKPIKVIDKK QILLGIGFLN EEQSNINPKL
VLNAK