ID A4MZT5_HAEIF Unreviewed; 144 AA.
AC A4MZT5;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 24-JAN-2024, entry version 73.
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=CGSHi22121_08138 {ECO:0000313|EMBL:EDJ87980.1};
OS Haemophilus influenzae 22.1-21.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=374927 {ECO:0000313|EMBL:EDJ87980.1, ECO:0000313|Proteomes:UP000004131};
RN [1] {ECO:0000313|EMBL:EDJ87980.1, ECO:0000313|Proteomes:UP000004131}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=22.1-21 {ECO:0000313|EMBL:EDJ87980.1,
RC ECO:0000313|Proteomes:UP000004131};
RX PubMed=17550610; DOI=10.1186/gb-2007-8-6-r103;
RA Hogg J.S., Hu F.Z., Janto B., Boissy R., Hayes J., Keefe R., Post J.C.,
RA Ehrlich G.D.;
RT "Characterization and modeling of the Haemophilus influenzae core and
RT supragenomes based on the complete genomic sequences of Rd and 12 clinical
RT nontypeable strains.";
RL Genome Biol. 8:R103.1-R103.18(2007).
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; AAZD01000004; EDJ87980.1; -; Genomic_DNA.
DR AlphaFoldDB; A4MZT5; -.
DR SMR; A4MZT5; -.
DR Proteomes; UP000004131; Unassembled WGS sequence.
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 14..138
FT /note="NusB/RsmB/TIM44"
FT /evidence="ECO:0000259|Pfam:PF01029"
SQ SEQUENCE 144 AA; 16486 MW; 213A6D820CB9F1CA CRC64;
MTEQKQVKKP SARRRARECT VQALYSWAVS GNTAEQVELA FVLDQDMDGV DKPYFRKLFR
QTIENIETVD FSISPYIDRA FDELDPIETA ILRLAVYELR FELDVPYKVV INEAIEVAKV
FGADESHKYI NGVLDKIAPA LGRK
//