ID   NUSB_RHOPA              Reviewed;         174 AA.
AC   Q6N688;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Transcription antitermination protein NusB {ECO:0000255|HAMAP-Rule:MF_00073};
DE   AltName: Full=Antitermination factor NusB {ECO:0000255|HAMAP-Rule:MF_00073};
GN   Name=nusB {ECO:0000255|HAMAP-Rule:MF_00073}; OrderedLocusNames=RPA2729;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
CC   -!- FUNCTION: Involved in transcription antitermination. Required for
CC       transcription of ribosomal RNA (rRNA) genes. Binds specifically to the
CC       boxA antiterminator sequence of the ribosomal RNA (rrn) operons.
CC       {ECO:0000255|HAMAP-Rule:MF_00073}.
CC   -!- SIMILARITY: Belongs to the NusB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00073}.
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DR   EMBL; BX572601; CAE28171.1; -; Genomic_DNA.
DR   RefSeq; WP_011158280.1; NC_005296.1.
DR   AlphaFoldDB; Q6N688; -.
DR   SMR; Q6N688; -.
DR   STRING; 258594.RPA2729; -.
DR   PRIDE; Q6N688; -.
DR   EnsemblBacteria; CAE28171; CAE28171; RPA2729.
DR   GeneID; 66893805; -.
DR   KEGG; rpa:RPA2729; -.
DR   eggNOG; COG0781; Bacteria.
DR   HOGENOM; CLU_087843_4_0_5; -.
DR   OMA; LYQMDIA; -.
DR   PhylomeDB; Q6N688; -.
DR   BioCyc; RPAL258594:TX73_RS13940-MON; -.
DR   Proteomes; UP000001426; Chromosome.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006353; P:DNA-templated transcription, termination; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:InterPro.
DR   GO; GO:0031564; P:transcription antitermination; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.940.10; -; 1.
DR   HAMAP; MF_00073; NusB; 1.
DR   InterPro; IPR035926; NusB-like_sf.
DR   InterPro; IPR011605; NusB_fam.
DR   InterPro; IPR006027; NusB_RsmB_TIM44.
DR   PANTHER; PTHR11078; PTHR11078; 1.
DR   Pfam; PF01029; NusB; 1.
DR   SUPFAM; SSF48013; SSF48013; 1.
DR   TIGRFAMs; TIGR01951; nusB; 1.
PE   3: Inferred from homology;
KW   Reference proteome; RNA-binding; Transcription;
KW   Transcription antitermination; Transcription regulation.
FT   CHAIN           1..174
FT                   /note="Transcription antitermination protein NusB"
FT                   /id="PRO_0000265575"
SQ   SEQUENCE   174 AA;  19621 MW;  6DD18DDCAD2C2BE3 CRC64;
     MAEINKPAFK KPDLKKMTPK GERKANRRGA ARLAAVQALY QMDIGGAGIN ETFAEFESFW
     IGNEVEGEQY LPAEAAFFRD IVAGVVREQK QIDPLIDDLL ARGWPLARID AILRAVMRAG
     AYELEHRKDI PARVVVSEYV DVAHAFVEKD ETGMVNAVLD QIARRFREDE FTRS