ID   RPOB_LIBAS              Reviewed;         178 AA.
AC   P36251;
DT   01-JUN-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1994, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=DNA-directed RNA polymerase subunit beta;
DE            Short=RNAP subunit beta;
DE            EC=2.7.7.6;
DE   AltName: Full=RNA polymerase subunit beta;
DE   AltName: Full=Transcriptase subunit beta;
DE   Flags: Fragment;
GN   Name=rpoB;
OS   Liberibacter asiaticus (Citrus greening disease) (Liberobacter asiaticum).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Liberibacter.
OX   NCBI_TaxID=34021;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=7763375; DOI=10.1007/bf01577372;
RA   Villechanoux S., Garnier M., Laigret F., Renaudin J., Bove J.M.;
RT   "The genome of the non-cultured, bacterial-like organism associated with
RT   citrus greening disease contains the nusG-rplKAJL-rpoBC gene cluster and
RT   the gene for a bacteriophage type DNA polymerase.";
RL   Curr. Microbiol. 26:161-166(1993).
CC   -!- FUNCTION: DNA-dependent RNA polymerase catalyzes the transcription of
CC       DNA into RNA using the four ribonucleoside triphosphates as substrates.
CC       {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate +
CC         RNA(n+1); Xref=Rhea:RHEA:21248, Rhea:RHEA-COMP:14527, Rhea:RHEA-
CC         COMP:17342, ChEBI:CHEBI:33019, ChEBI:CHEBI:61557, ChEBI:CHEBI:140395;
CC         EC=2.7.7.6;
CC   -!- SUBUNIT: The RNAP catalytic core consists of 2 alpha, 1 beta, 1 beta'
CC       and 1 omega subunit. When a sigma factor is associated with the core
CC       the holoenzyme is formed, which can initiate transcription (By
CC       similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the RNA polymerase beta chain family.
CC       {ECO:0000305}.
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DR   EMBL; M94319; AAA23109.1; -; Genomic_DNA.
DR   AlphaFoldDB; P36251; -.
DR   SMR; P36251; -.
DR   PRIDE; P36251; -.
DR   GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR   GO; GO:0003677; F:DNA binding; IEA:InterPro.
DR   GO; GO:0003899; F:DNA-directed 5'-3' RNA polymerase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:InterPro.
DR   InterPro; IPR007644; RNA_pol_bsu_protrusion.
DR   Pfam; PF04563; RNA_pol_Rpb2_1; 1.
PE   3: Inferred from homology;
KW   DNA-directed RNA polymerase; Nucleotidyltransferase; Transcription;
KW   Transferase.
FT   CHAIN           1..>178
FT                   /note="DNA-directed RNA polymerase subunit beta"
FT                   /id="PRO_0000047914"
FT   NON_TER         178
SQ   SEQUENCE   178 AA;  20015 MW;  472BAD325D6CBD6E CRC64;
     MAKGVVFNGL GRVRKFFGKN PEIIDIPDLI EVQKASYDHF LMMNIAPDER PNEGLQAAFK
     SVFPITAFSG AAMLEFVSYE FDPPKFDVDD CLWRDLTYAV PLKITLRLIV FDVDEFTGAK
     SIKDIKEQSI YMGDLPLMTK DGTFVIKGTQ RIVVSQLHRS PGIHFDHDKG RASLSGKL