ID   RPOA_ILLOL              Reviewed;         331 AA.
AC   A6MMX6;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 59.
DE   RecName: Full=DNA-directed RNA polymerase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
DE            Short=PEP {ECO:0000255|HAMAP-Rule:MF_00059};
DE            EC=2.7.7.6 {ECO:0000255|HAMAP-Rule:MF_00059};
DE   AltName: Full=Plastid-encoded RNA polymerase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
DE            Short=RNA polymerase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
GN   Name=rpoA {ECO:0000255|HAMAP-Rule:MF_00059};
OS   Illicium oligandrum (Star anise).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Austrobaileyales; Schisandraceae; Illicium.
OX   NCBI_TaxID=145286;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17644003; DOI=10.1016/j.ympev.2007.06.004;
RA   Hansen D.R., Dastidar S.G., Cai Z., Penaflor C., Kuehl J.V., Boore J.L.,
RA   Jansen R.K.;
RT   "Phylogenetic and evolutionary implications of complete chloroplast genome
RT   sequences of four early-diverging angiosperms: Buxus (Buxaceae),
RT   Chloranthus (Chloranthaceae), Dioscorea (Dioscoreaceae), and Illicium
RT   (Schisandraceae).";
RL   Mol. Phylogenet. Evol. 45:547-563(2007).
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_00059}.
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_00059};
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_00059}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- DOMAIN: The N-terminal domain is essential for RNAP assembly and basal
CC       transcription, whereas the C-terminal domain is involved in interaction
CC       with transcriptional regulators and with upstream promoter elements.
CC       {ECO:0000255|HAMAP-Rule:MF_00059}.
CC   -!- SIMILARITY: Belongs to the RNA polymerase alpha chain family.
CC       {ECO:0000255|HAMAP-Rule:MF_00059}.
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DR   EMBL; EF380354; ABQ52550.1; -; Genomic_DNA.
DR   RefSeq; YP_001294302.1; NC_009600.1.
DR   AlphaFoldDB; A6MMX6; -.
DR   SMR; A6MMX6; -.
DR   GeneID; 5236761; -.
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:0046983; F:protein dimerization activity; IEA:InterPro.
DR   GO; GO:0006351; P:transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.170.120.12; -; 1.
DR   Gene3D; 3.30.1360.10; -; 1.
DR   HAMAP; MF_00059; RNApol_bact_RpoA; 1.
DR   InterPro; IPR011262; DNA-dir_RNA_pol_insert.
DR   InterPro; IPR011263; DNA-dir_RNA_pol_RpoA/D/Rpb3.
DR   InterPro; IPR011773; DNA-dir_RpoA.
DR   InterPro; IPR036603; RBP11-like.
DR   InterPro; IPR011260; RNAP_asu_C.
DR   InterPro; IPR036643; RNApol_insert_sf.
DR   PANTHER; PTHR32108; PTHR32108; 1.
DR   Pfam; PF01000; RNA_pol_A_bac; 1.
DR   Pfam; PF03118; RNA_pol_A_CTD; 1.
DR   Pfam; PF01193; RNA_pol_L; 1.
DR   SMART; SM00662; RPOLD; 1.
DR   SUPFAM; SSF55257; SSF55257; 1.
DR   SUPFAM; SSF56553; SSF56553; 1.
DR   TIGRFAMs; TIGR02027; rpoA; 1.
PE   3: Inferred from homology;
KW   Chloroplast; DNA-directed RNA polymerase; Nucleotidyltransferase; Plastid;
KW   Transcription; Transferase.
FT   CHAIN           1..331
FT                   /note="DNA-directed RNA polymerase subunit alpha"
FT                   /id="PRO_0000323670"
FT   REGION          1..233
FT                   /note="Alpha N-terminal domain (alpha-NTD)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
FT   REGION          268..331
FT                   /note="Alpha C-terminal domain (alpha-CTD)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
SQ   SEQUENCE   331 AA;  37827 MW;  2D878060BA142E9C CRC64;
     MVREEIAVST RTLQWKCVES RADSKRLYYG RFVLSPLMKG QADTIGIAMR RALLGEIEGT
     CITRAKSEKV PHEYSTIVGI EESVHEILMN LKEIVFRSHL YGTRGASICV RGPRYVTAQD
     IISPPSVKIV DTTQYIASLT EPIDLCIELQ IERDRGYRIK TPNNYQDGSY PIDAVSMPVR
     NANHSIHSYG NGNEKQEILF LEIWTNGSFT PKEALYEASR NLIDLFLPFL HAEEQDINVE
     DNQNRATAPL FTFHDGLTNI GKRKKGIALK RVFIDQSELP TRTYNCLKRS NIHTLLDLLS
     NSQEDLMRIE HFRIEDVKQI LGILQKRFAI D