ID   RPOB_STRTD              Reviewed;        1193 AA.
AC   Q03IK2;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=DNA-directed RNA polymerase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
DE            Short=RNAP subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
DE            EC=2.7.7.6 {ECO:0000255|HAMAP-Rule:MF_01321};
DE   AltName: Full=RNA polymerase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
DE   AltName: Full=Transcriptase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
GN   Name=rpoB {ECO:0000255|HAMAP-Rule:MF_01321}; OrderedLocusNames=STER_1845;
OS   Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=322159;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-491 / LMD-9;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(2006).
CC   -!- FUNCTION: DNA-dependent RNA polymerase catalyzes the transcription of
CC       DNA into RNA using the four ribonucleoside triphosphates as substrates.
CC       {ECO:0000255|HAMAP-Rule:MF_01321}.
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; Evidence={ECO:0000255|HAMAP-Rule:MF_01321};
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.
CC       {ECO:0000255|HAMAP-Rule:MF_01321}.
CC   -!- SIMILARITY: Belongs to the RNA polymerase beta chain family.
CC       {ECO:0000255|HAMAP-Rule:MF_01321}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000419; ABJ66970.1; -; Genomic_DNA.
DR   RefSeq; WP_011681691.1; NC_008532.1.
DR   AlphaFoldDB; Q03IK2; -.
DR   SMR; Q03IK2; -.
DR   KEGG; ste:STER_1845; -.
DR   HOGENOM; CLU_000524_4_1_9; -.
DR   OMA; FMTWEGY; -.
DR   GO; GO:0000428; C:DNA-directed RNA polymerase complex; IEA:UniProtKB-KW.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003899; F:DNA-directed 5'-3' RNA polymerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0032549; F:ribonucleoside binding; IEA:InterPro.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   CDD; cd00653; RNA_pol_B_RPB2; 1.
DR   Gene3D; 2.30.150.10; -; 1.
DR   Gene3D; 2.40.270.10; -; 1.
DR   Gene3D; 2.40.50.150; -; 1.
DR   Gene3D; 3.90.1110.10; -; 1.
DR   HAMAP; MF_01321; RNApol_bact_RpoB; 1.
DR   InterPro; IPR042107; DNA-dir_RNA_pol_bsu_ext_1_sf.
DR   InterPro; IPR019462; DNA-dir_RNA_pol_bsu_external_1.
DR   InterPro; IPR015712; DNA-dir_RNA_pol_su2.
DR   InterPro; IPR007120; DNA-dir_RNAP_su2_dom.
DR   InterPro; IPR037033; DNA-dir_RNAP_su2_hyb_sf.
DR   InterPro; IPR010243; RNA_pol_bsu_bac.
DR   InterPro; IPR007121; RNA_pol_bsu_CS.
DR   InterPro; IPR007644; RNA_pol_bsu_protrusion.
DR   InterPro; IPR007642; RNA_pol_Rpb2_2.
DR   InterPro; IPR037034; RNA_pol_Rpb2_2_sf.
DR   InterPro; IPR007645; RNA_pol_Rpb2_3.
DR   InterPro; IPR007641; RNA_pol_Rpb2_7.
DR   InterPro; IPR014724; RNA_pol_RPB2_OB-fold.
DR   PANTHER; PTHR20856; PTHR20856; 1.
DR   Pfam; PF04563; RNA_pol_Rpb2_1; 1.
DR   Pfam; PF04561; RNA_pol_Rpb2_2; 2.
DR   Pfam; PF04565; RNA_pol_Rpb2_3; 1.
DR   Pfam; PF10385; RNA_pol_Rpb2_45; 1.
DR   Pfam; PF00562; RNA_pol_Rpb2_6; 1.
DR   Pfam; PF04560; RNA_pol_Rpb2_7; 1.
DR   TIGRFAMs; TIGR02013; rpoB; 1.
DR   PROSITE; PS01166; RNA_POL_BETA; 1.
PE   3: Inferred from homology;
KW   DNA-directed RNA polymerase; Nucleotidyltransferase; Transcription;
KW   Transferase.
FT   CHAIN           1..1193
FT                   /note="DNA-directed RNA polymerase subunit beta"
FT                   /id="PRO_0000300417"
FT   REGION          1173..1193
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   1193 AA;  133275 MW;  D107C282602A8034 CRC64;
     MAGHDVQYGK HRTRRSFSRI KEVLGLPNLI EIQTDSFKEF LDTGLKEVFE DVLPISNFTD
     TMELEFVGYE LKEPKYTLEE ARIHDASYSA PIFVTFRLIN KETGEIKTQE VFFGDFPIMT
     EMGTFIINGG ERIIVSQLVR SPGVYFNDKV DKNGKVGYGS TVIPNRGAWL ELETDSKDIA
     YTRIDRTRKI PFTTLVRALG FSGDDEIVDI FGDSELVRNT IEKDIHKNPA DSRTDEALKE
     IYERLRPGEP KTADSSRSLL VARFFDPRRY DLAAVGRYKL NKKLNIKTRL LGQTIAENLV
     DPETGEILVE AGTEMTRDVI DSIAEHLDGD LNKFVYTPND YAVVTEPVVL QKFKVVAPND
     PDRVVTIVGN ANPDDKVRAL TTADILAEMS YFLNLAEGIG KVDDIDHLGN RRIRAVGELL
     ANQFRIGLAR MERNVRERMS VQDNEALTPQ QIINIRPVTA AVKEFFGSSQ LSQFMDQHNP
     LSELSHKRRL SALGPGGLTR DRAGYEVRDV HYTHYGRMCP IETPEGPNIG LINNLSTYGR
     LNKYGFIQTP YRKVDRATGK VTNEVVWLTA DEEDEYIVAQ ANSKLNEDGT FAEEIVMGRH
     QGVNQEYPSH LVDFVDVSPK QVVAVATACI PFLENDDSNR ALMGANMQRQ AVPLIDPKAP
     FVGTGMEYQA AHDSGAAVIA KHDGKVVYSD ADKVEVRRED GSLDVYTIQK FRRSNSGTAY
     NQRTLVKVGD IVEKGDFIAD GPSMEGGEMA LGQNPIVAYM TWEGYNFEDA VIMSERLVKD
     DVYTSVHLEE FESETRDTKL GPEEITRELP NVSEEALKNL DEMGIIRIGA EVKEGDILVG
     KVTPKGEKDL SAEERLLHAI FGDKSREVRD TSLRVPHGGD GVVRDVKIFT RANGDELQSG
     VNMLVRVYIA QKRKIKVGDK MAGRHGNKGV VSRIVPVEDM PYLPDGTPVD IMLNPLGVPS
     RMNIGQVMEL HLGMAARNLG IYIATPVFDG ASSEDLWDTV REAGMDSDAK TILYDGRTGE
     PFDNRVSVGV MYMIKLHHMV DDKLHARSVG PYSLVTQQPL GGKAQFGGQR FGEMEVWALE
     AYGASNILQE ILTYKSDDVN GRLKAYEAIT KGKPIPKPGV PESFRVLVKE LQSLGLDMRV
     LDEDDYEVEL RDLDEGEDDD VMHVDDLEKA RVQQAKEAAE LEKAKEEALD KTE