ID RLUB_HAEIN Reviewed; 357 AA.
AC P45104;
DT 01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1995, sequence version 1.
DT 27-MAR-2024, entry version 134.
DE RecName: Full=Ribosomal large subunit pseudouridine synthase B;
DE EC=5.4.99.22;
DE AltName: Full=23S rRNA pseudouridine(2605) synthase;
DE AltName: Full=rRNA pseudouridylate synthase B;
DE AltName: Full=rRNA-uridine isomerase B;
GN Name=rluB; OrderedLocusNames=HI_1199;
OS Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=71421;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX PubMed=7542800; DOI=10.1126/science.7542800;
RA Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT Rd.";
RL Science 269:496-512(1995).
RN [2]
RP IDENTIFICATION BY MASS SPECTROMETRY.
RC STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX PubMed=10675023;
RX DOI=10.1002/(sici)1522-2683(20000101)21:2<411::aid-elps411>3.0.co;2-4;
RA Langen H., Takacs B., Evers S., Berndt P., Lahm H.W., Wipf B., Gray C.,
RA Fountoulakis M.;
RT "Two-dimensional map of the proteome of Haemophilus influenzae.";
RL Electrophoresis 21:411-429(2000).
CC -!- FUNCTION: Responsible for synthesis of pseudouridine from uracil-2605
CC in 23S ribosomal RNA. {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=uridine(2605) in 23S rRNA = pseudouridine(2605) in 23S rRNA;
CC Xref=Rhea:RHEA:42520, Rhea:RHEA-COMP:10095, Rhea:RHEA-COMP:10096,
CC ChEBI:CHEBI:65314, ChEBI:CHEBI:65315; EC=5.4.99.22;
CC -!- SIMILARITY: Belongs to the pseudouridine synthase RsuA family.
CC {ECO:0000305}.
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DR EMBL; L42023; AAC22853.1; -; Genomic_DNA.
DR PIR; A64169; A64169.
DR RefSeq; NP_439355.1; NC_000907.1.
DR AlphaFoldDB; P45104; -.
DR SMR; P45104; -.
DR STRING; 71421.HI_1199; -.
DR EnsemblBacteria; AAC22853; AAC22853; HI_1199.
DR KEGG; hin:HI_1199; -.
DR PATRIC; fig|71421.8.peg.1251; -.
DR eggNOG; COG1187; Bacteria.
DR HOGENOM; CLU_024979_1_1_6; -.
DR OrthoDB; 9807213at2; -.
DR PhylomeDB; P45104; -.
DR BioCyc; HINF71421:G1GJ1-1230-MONOMER; -.
DR Proteomes; UP000000579; Chromosome.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR GO; GO:0120159; F:rRNA pseudouridine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0000455; P:enzyme-directed rRNA pseudouridine synthesis; IEA:UniProt.
DR CDD; cd02556; PseudoU_synth_RluB; 1.
DR CDD; cd00165; S4; 1.
DR Gene3D; 3.30.2350.10; Pseudouridine synthase; 1.
DR Gene3D; 3.10.290.10; RNA-binding S4 domain; 1.
DR InterPro; IPR020103; PsdUridine_synth_cat_dom_sf.
DR InterPro; IPR006145; PsdUridine_synth_RsuA/RluA.
DR InterPro; IPR000748; PsdUridine_synth_RsuA/RluB/E/F.
DR InterPro; IPR018496; PsdUridine_synth_RsuA/RluB_CS.
DR InterPro; IPR002942; S4_RNA-bd.
DR InterPro; IPR036986; S4_RNA-bd_sf.
DR NCBIfam; TIGR00093; pseudouridine synthase; 1.
DR PANTHER; PTHR47683; PSEUDOURIDINE SYNTHASE FAMILY PROTEIN-RELATED; 1.
DR PANTHER; PTHR47683:SF3; RIBOSOMAL LARGE SUBUNIT PSEUDOURIDINE SYNTHASE B; 1.
DR Pfam; PF00849; PseudoU_synth_2; 1.
DR Pfam; PF01479; S4; 1.
DR SMART; SM00363; S4; 1.
DR SUPFAM; SSF55174; Alpha-L RNA-binding motif; 1.
DR SUPFAM; SSF55120; Pseudouridine synthase; 1.
DR PROSITE; PS01149; PSI_RSU; 1.
DR PROSITE; PS50889; S4; 1.
PE 1: Evidence at protein level;
KW Isomerase; Reference proteome; RNA-binding; rRNA processing.
FT CHAIN 1..357
FT /note="Ribosomal large subunit pseudouridine synthase B"
FT /id="PRO_0000099986"
FT DOMAIN 76..148
FT /note="S4 RNA-binding"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00182"
FT REGION 1..76
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 13..36
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 37..54
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 183
FT /note="Nucleophile"
FT /evidence="ECO:0000250"
SQ SEQUENCE 357 AA; 40637 MW; 0A31F0D384CBBE82 CRC64;
MKPSQKQTQR QPHFSKDSAK KRDFSAKNDR RSVSRTARIE TANTKKSAVN SDNKFLSKPK
AKPVVRASNQ PKAEGEKLQK VLARAGQGSR REIETMIAAG RVSVEGKIAT LGDRIDVHSG
VKVRIDGQII NLSHTQKEIC RVLMYYKPEG ELCTRSDPEG RATVFDRLPR LTGSRWIAVG
RLDINTSGLL LFTTDGELAN RLMHPSREVE REYSVRVFGQ VDDAMLARLR KGVQLEDGLA
NFKEIKFTGG VGINQWYDVT LMEGRNREVR RLWESQGIQV SRLIRIRYGN IKLMKGLPRG
GWEEMDLENV NYLRELVGLP AETETKLDVK QASRRPKSGQ IRKAVKRYSE MNKRYKK
//
