TRUB_HAHCH
ID TRUB_HAHCH Reviewed; 311 AA.
AC Q2SML1;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 24-JAN-2006, sequence version 1.
DT 25-MAY-2022, entry version 95.
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=HCH_01241;
OS Hahella chejuensis (strain KCTC 2396).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC Hahellaceae; Hahella.
OX NCBI_TaxID=349521;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KCTC 2396;
RX PubMed=16352867; DOI=10.1093/nar/gki1016;
RA Jeong H., Yim J.H., Lee C., Choi S.-H., Park Y.K., Yoon S.H., Hur C.-G.,
RA Kang H.-Y., Kim D., Lee H.H., Park K.H., Park S.-H., Park H.-S., Lee H.K.,
RA Oh T.K., Kim J.F.;
RT "Genomic blueprint of Hahella chejuensis, a marine microbe producing an
RT algicidal agent.";
RL Nucleic Acids Res. 33:7066-7073(2005).
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; CP000155; ABC28113.1; -; Genomic_DNA.
DR RefSeq; WP_011395186.1; NC_007645.1.
DR AlphaFoldDB; Q2SML1; -.
DR SMR; Q2SML1; -.
DR STRING; 349521.HCH_01241; -.
DR EnsemblBacteria; ABC28113; ABC28113; HCH_01241.
DR KEGG; hch:HCH_01241; -.
DR eggNOG; COG0130; Bacteria.
DR HOGENOM; CLU_032087_0_3_6; -.
DR OMA; ELQFIRW; -.
DR OrthoDB; 1166299at2; -.
DR Proteomes; UP000000238; 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..311
FT /note="tRNA pseudouridine synthase B"
FT /id="PRO_1000084606"
FT ACT_SITE 47
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01080"
SQ SEQUENCE 311 AA; 34011 MW; 547FB8053F405740 CRC64;
MARRKKGAPL NGVMVVDKPQ DWTSNAVLQK VKYALNAQKA GHTGALDPLA TGVLPLCFGE
ATKFSQLLLD SDKEYVTCAY LGRTTTTSDA DGDIIAESPV PGLSVSDLES VLGKFRGNLK
QIPSMYSALK HKGTPLYKLA RQGIEVEREA RDIIIHELEL LDYTPPFLRL RVLCSKGTYI
RNLVEDIGQV LGCGAHVMEL RRTRCGPFSL ADSVEFVSFA DESGRQAAAE KYKERLLPID
SSVQQFSEII LDEANTGSII QGQTVKISPL SSEGKVRLYT NRRHFIGLGE VMSDGTVKPV
RLLNVSALSA E
