ID   RPOB_GOSHI              Reviewed;        1070 AA.
AC   Q2L8Z9;
DT   30-MAY-2006, integrated into UniProtKB/Swiss-Prot.
DT   21-FEB-2006, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=DNA-directed RNA polymerase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
DE            EC=2.7.7.6 {ECO:0000255|HAMAP-Rule:MF_01321};
DE   AltName: Full=PEP {ECO:0000255|HAMAP-Rule:MF_01321};
DE   AltName: Full=Plastid-encoded RNA polymerase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
DE            Short=RNA polymerase subunit beta {ECO:0000255|HAMAP-Rule:MF_01321};
GN   Name=rpoB {ECO:0000255|HAMAP-Rule:MF_01321};
OS   Gossypium hirsutum (Upland cotton) (Gossypium mexicanum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Malvales; Malvaceae; Malvoideae; Gossypium.
OX   NCBI_TaxID=3635;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Coker 310FR;
RX   PubMed=16553962; DOI=10.1186/1471-2164-7-61;
RA   Lee S.-B., Kaittanis C., Jansen R.K., Hostetler J.B., Tallon L.J.,
RA   Town C.D., Daniell H.;
RT   "The complete chloroplast genome sequence of Gossypium hirsutum:
RT   organization and phylogenetic relationships to other angiosperms.";
RL   BMC Genomics 7:61-61(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: In plastids the minimal PEP RNA polymerase catalytic core is
CC       composed of four subunits: alpha, beta, beta', and beta''. When a
CC       (nuclear-encoded) sigma factor is associated with the core the
CC       holoenzyme is formed, which can initiate transcription.
CC       {ECO:0000255|HAMAP-Rule:MF_01321}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the RNA polymerase beta chain family.
CC       {ECO:0000255|HAMAP-Rule:MF_01321}.
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DR   EMBL; DQ345959; ABC73620.1; -; Genomic_DNA.
DR   RefSeq; YP_538927.1; NC_007944.1.
DR   AlphaFoldDB; Q2L8Z9; -.
DR   SMR; Q2L8Z9; -.
DR   GeneID; 3989197; -.
DR   KEGG; ghi:3989197; -.
DR   Proteomes; UP000189702; Chloroplast Pltd.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
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; 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; 3.
DR   Pfam; PF04563; RNA_pol_Rpb2_1; 1.
DR   Pfam; PF04561; RNA_pol_Rpb2_2; 1.
DR   Pfam; PF04565; RNA_pol_Rpb2_3; 1.
DR   Pfam; PF00562; RNA_pol_Rpb2_6; 1.
DR   Pfam; PF04560; RNA_pol_Rpb2_7; 1.
DR   PROSITE; PS01166; RNA_POL_BETA; 1.
PE   3: Inferred from homology;
KW   Chloroplast; DNA-directed RNA polymerase; Nucleotidyltransferase; Plastid;
KW   Reference proteome; Transcription; Transferase.
FT   CHAIN           1..1070
FT                   /note="DNA-directed RNA polymerase subunit beta"
FT                   /id="PRO_0000237325"
SQ   SEQUENCE   1070 AA;  120559 MW;  D7B95D805A30D86D CRC64;
     MLGDENGEMS TIPGLNQIQF EGFCGFMDRG LTEELYKFPK IEDTEQEIEF QLFVETYQLV
     EPLIKERDAV YESLTYSSEL YVSAGLIWKT SKDMQEQTIF IGNIPLMNSL GTSIVNGIYR
     IVINQILQSP GIYYRSELDH NGISVYTGTI ISDWGGRLEL EIDRKARIWA RVSRKQKISI
     LVLSSAMGSN LREILENVCY PEIFLSFLTD KEKKKIGSKE NAILEFYQQF SCVGGDPVFS
     ESLCKELQKK FFQQRCELGR IGRRNMNQRL NLNIPQNNTF LLPRDILAAA DRLIGMKFGM
     GPLDDMNHLK NKRIRSVADL LQDQFGLALV RLENVVRGTI CGAIRHKLIP TPQNLVTSTP
     LTTTYESFFG LHPLSQVLDR TNPLTQIVHG RKLSYLGPGG LTGRTANFRI RDIHPSHYGR
     ICPIDTSEGI NVGLIGSLAI HARIGHWGSL ESPFYKIFER SKKAQMLYLS PSRDEYYMVA
     AGNSLALNQG IQEEQVVPAR YRQEFLTIAW EQVHLRSIFP FQYFSIGASL IPFIEHNDAN
     RALMSSNMQR QAVPLSRSEK CIVGTGLERQ VALDSGVPAI ADHEGKIIST DTDKIILSGN
     GDALGIPLVM YQRSNKNTCM HQTARVRRGK CIKKGQILAD GAATVGGELA LGKNVLVAYM
     PWEGYNFEDA VLISERLVYE DIYTSFHIRK YEIQTHVTSQ GPERITNEIP HLEAHLLRNL
     DKNGIVMLGS WVETGDILVG KLTPQVAKES SYAPEDRLLR AILGIQVSTS KETCLKLPIG
     GRGRVIDVRW VQKKGGSSYN PETIRVYISQ KREIKVGDKV AGRHGNKGII SKILPRQDMP
     YLQDGRPVDM VFNPLGVPSR MNVGQLFECS LGLAGSLLDR HYRIAPFDER YEQEASRKLV
     FSELYQASKQ TANPWVFEPE YPGKSRIFDG RTGGPFEQPV IIGKPYILKL IHQVDDKIHG
     RSSGHYALVT QQPLRGRSKQ GGQRVGEMEV WALEGFGVAH ILQEMLTYKS DHIRARQEVL
     GTTIIGGTIP KPEDAPESFR LLVRELRSLA LELNHFLVSE KNFQINRKEA