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Database: UniProt
Entry: E2XC56_SHIDY
LinkDB: E2XC56_SHIDY
Original site: E2XC56_SHIDY 
ID   E2XC56_SHIDY            Unreviewed;       139 AA.
AC   E2XC56;
DT   11-JAN-2011, integrated into UniProtKB/TrEMBL.
DT   11-JAN-2011, sequence version 1.
DT   24-JAN-2024, entry version 68.
DE   RecName: Full=Transcription antitermination protein NusB {ECO:0000256|HAMAP-Rule:MF_00073};
DE   AltName: Full=Antitermination factor NusB {ECO:0000256|HAMAP-Rule:MF_00073};
GN   Name=nusB {ECO:0000256|HAMAP-Rule:MF_00073};
GN   ORFNames=Asd1617_00397 {ECO:0000313|EMBL:AHA63224.1};
OS   Shigella dysenteriae 1617.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=754093 {ECO:0000313|EMBL:AHA63224.1, ECO:0000313|Proteomes:UP000031647};
RN   [1] {ECO:0000313|EMBL:AHA63224.1, ECO:0000313|Proteomes:UP000031647}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1617 {ECO:0000313|EMBL:AHA63224.1,
RC   ECO:0000313|Proteomes:UP000031647};
RA   Aksomboon Vongsawan A., Kapatral V., Vaisvil B., Serichantalergs O.,
RA   Hale T.L., Mason C.J.;
RT   "Comparative genomics of Sd1617 to representative strains in evaluating its
RT   pathogenesis.";
RL   Submitted (SEP-2013) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-Rule:MF_00073}.
CC   -!- SIMILARITY: Belongs to the NusB family. {ECO:0000256|ARBA:ARBA00005952,
CC       ECO:0000256|HAMAP-Rule:MF_00073}.
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DR   EMBL; CP006736; AHA63224.1; -; Genomic_DNA.
DR   RefSeq; WP_000801125.1; NZ_ADUT01000040.1.
DR   AlphaFoldDB; E2XC56; -.
DR   SMR; E2XC56; -.
DR   GeneID; 83577620; -.
DR   KEGG; sdz:Asd1617_00397; -.
DR   PATRIC; fig|754093.4.peg.396; -.
DR   HOGENOM; CLU_087843_4_1_6; -.
DR   Proteomes; UP000031647; 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:0031564; P:transcription antitermination; IEA:UniProtKB-KW.
DR   CDD; cd00619; Terminator_NusB; 1.
DR   Gene3D; 1.10.940.10; NusB-like; 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   NCBIfam; TIGR01951; nusB; 1.
DR   PANTHER; PTHR11078:SF3; ANTITERMINATION NUSB DOMAIN-CONTAINING PROTEIN; 1.
DR   PANTHER; PTHR11078; N UTILIZATION SUBSTANCE PROTEIN B-RELATED; 1.
DR   Pfam; PF01029; NusB; 1.
DR   SUPFAM; SSF48013; NusB-like; 1.
PE   3: Inferred from homology;
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW   Rule:MF_00073};
KW   Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW   Rule:MF_00073};
KW   Transcription antitermination {ECO:0000256|ARBA:ARBA00022814,
KW   ECO:0000256|HAMAP-Rule:MF_00073};
KW   Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW   Rule:MF_00073}.
FT   DOMAIN          7..131
FT                   /note="NusB/RsmB/TIM44"
FT                   /evidence="ECO:0000259|Pfam:PF01029"
SQ   SEQUENCE   139 AA;  15689 MW;  0BB912103061243B CRC64;
     MKPAARRRAR ECAVQALYSW QLSQNDIADV EYQFLAEQDV KDVDVLYFRE LLAGVATNTA
     YLDGLMKPYL SRLLEELGQV EKAVLRIALY ELSKRSDVPY KVAINEAIEL AKSFGAEDSH
     KFVNGVLDKA APVIRPNKK
//
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