ID   NUSB_DEHMC              Reviewed;         143 AA.
AC   Q3ZYI9;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 89.
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=cbdbA1206;
OS   Dehalococcoides mccartyi (strain CBDB1).
OC   Bacteria; Chloroflexi; Dehalococcoidia; Dehalococcoidales;
OC   Dehalococcoidaceae; Dehalococcoides.
OX   NCBI_TaxID=255470;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CBDB1;
RX   PubMed=16116419; DOI=10.1038/nbt1131;
RA   Kube M., Beck A., Zinder S.H., Kuhl H., Reinhardt R., Adrian L.;
RT   "Genome sequence of the chlorinated compound-respiring bacterium
RT   Dehalococcoides species strain CBDB1.";
RL   Nat. Biotechnol. 23:1269-1273(2005).
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; AJ965256; CAI83285.1; -; Genomic_DNA.
DR   RefSeq; WP_011309636.1; NC_007356.1.
DR   AlphaFoldDB; Q3ZYI9; -.
DR   SMR; Q3ZYI9; -.
DR   KEGG; deh:cbdbA1206; -.
DR   HOGENOM; CLU_087843_3_3_0; -.
DR   OMA; MKTYRRQ; -.
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   RNA-binding; Transcription; Transcription antitermination;
KW   Transcription regulation.
FT   CHAIN           1..143
FT                   /note="Transcription antitermination protein NusB"
FT                   /id="PRO_0000265513"
SQ   SEQUENCE   143 AA;  16162 MW;  C001B0C76E0FB73D CRC64;
     MTTSRRKARE IVLQALYEQD LAGHNAEDVL KRLLTENPQT EENVEFIFRL TNAVVKHKDL
     LDENIRQFAS AWPVEQLSYI DRNVLRLAIF EIIHENDVPV KVAINEAVEL AKSFGGNSSA
     RFINGVLSSV SKALADTANQ REE