TRUB_PARMW
ID TRUB_PARMW Reviewed; 291 AA.
AC P59884;
DT 26-SEP-2003, integrated into UniProtKB/Swiss-Prot.
DT 26-SEP-2003, sequence version 1.
DT 03-AUG-2022, entry version 115.
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=SYNW0544;
OS Parasynechococcus marenigrum (strain WH8102).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Parasynechococcus; Parasynechococcus marenigrum.
OX NCBI_TaxID=84588;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WH8102;
RX PubMed=12917641; DOI=10.1038/nature01943;
RA Palenik B., Brahamsha B., Larimer F.W., Land M.L., Hauser L., Chain P.,
RA Lamerdin J.E., Regala W., Allen E.E., McCarren J., Paulsen I.T.,
RA Dufresne A., Partensky F., Webb E.A., Waterbury J.;
RT "The genome of a motile marine Synechococcus.";
RL Nature 424:1037-1042(2003).
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; BX569690; CAE07059.1; -; Genomic_DNA.
DR AlphaFoldDB; P59884; -.
DR SMR; P59884; -.
DR STRING; 84588.SYNW0544; -.
DR EnsemblBacteria; CAE07059; CAE07059; SYNW0544.
DR KEGG; syw:SYNW0544; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_0_3; -.
DR OMA; ELQFIRW; -.
DR Proteomes; UP000001422; 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 InterPro; IPR032819; TruB_C.
DR PANTHER; PTHR13767; PTHR13767; 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; tRNA processing.
FT CHAIN 1..291
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_0000121927"
FT ACT_SITE 41
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 291 AA; 31448 MW; 71BD68FA3DAA35E3 CRC64;
MDGPFGFVVI DKPAGHTSHS CVSRLRRCYG LKRVGHGGTL DPAVTGVLPI ALGPATRLLP
YLPGDKTYRG VIQLGSITSS DDLEGELLRQ APWPDLQPEE LEVALAPFRG PIQQRPPQVS
AVHVDGERAH ARARRGEQMV LPPRPVTIHR LQLLHWDPNQ GQLTLEVHCS AGTYIRSLAR
DLGEQLGCGG CLAQLRRTQA LGFLESQAQA LPEADATPPP PLSPLLALEH LPRRQLTDSE
EADWRCGRRL SLDPGPGDAV VVCNADGSMA GIGLRQEDDQ LQPKVVFDAS G