ID   RPOA_KINRD              Reviewed;         337 AA.
AC   A6W5W5;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=DNA-directed RNA polymerase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
DE            Short=RNAP subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
DE            EC=2.7.7.6 {ECO:0000255|HAMAP-Rule:MF_00059};
DE   AltName: Full=RNA polymerase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
DE   AltName: Full=Transcriptase subunit alpha {ECO:0000255|HAMAP-Rule:MF_00059};
GN   Name=rpoA {ECO:0000255|HAMAP-Rule:MF_00059}; OrderedLocusNames=Krad_0715;
OS   Kineococcus radiotolerans (strain ATCC BAA-149 / DSM 14245 / SRS30216).
OC   Bacteria; Actinobacteria; Kineosporiales; Kineosporiaceae; Kineococcus.
OX   NCBI_TaxID=266940;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-149 / DSM 14245 / SRS30216;
RX   PubMed=19057647; DOI=10.1371/journal.pone.0003878;
RA   Bagwell C.E., Bhat S., Hawkins G.M., Smith B.W., Biswas T., Hoover T.R.,
RA   Saunders E., Han C.S., Tsodikov O.V., Shimkets L.J.;
RT   "Survival in nuclear waste, extreme resistance, and potential applications
RT   gleaned from the genome sequence of Kineococcus radiotolerans SRS30216.";
RL   PLoS ONE 3:e3878-e3878(2008).
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: Homodimer. The RNAP catalytic core consists of 2 alpha, 1
CC       beta, 1 beta' and 1 omega subunit. When a sigma factor is associated
CC       with the core the holoenzyme is formed, which can initiate
CC       transcription. {ECO:0000255|HAMAP-Rule:MF_00059}.
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; CP000750; ABS02204.1; -; Genomic_DNA.
DR   RefSeq; WP_012084951.1; NC_009664.2.
DR   AlphaFoldDB; A6W5W5; -.
DR   SMR; A6W5W5; -.
DR   STRING; 266940.Krad_0715; -.
DR   PRIDE; A6W5W5; -.
DR   EnsemblBacteria; ABS02204; ABS02204; Krad_0715.
DR   KEGG; kra:Krad_0715; -.
DR   eggNOG; COG0202; Bacteria.
DR   HOGENOM; CLU_053084_0_1_11; -.
DR   OMA; LMKFRNF; -.
DR   OrthoDB; 662686at2; -.
DR   Proteomes; UP000001116; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProt.
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   DNA-directed RNA polymerase; Nucleotidyltransferase; Reference proteome;
KW   Transcription; Transferase.
FT   CHAIN           1..337
FT                   /note="DNA-directed RNA polymerase subunit alpha"
FT                   /id="PRO_1000075010"
FT   REGION          1..226
FT                   /note="Alpha N-terminal domain (alpha-NTD)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
FT   REGION          243..337
FT                   /note="Alpha C-terminal domain (alpha-CTD)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
FT   REGION          315..337
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        321..337
FT                   /note="Acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   337 AA;  36565 MW;  D7CE51DA48C36478 CRC64;
     MLIAQRPTLT EDVVDEYRSR FVIEPLEPGF GYTLGNSLRR TLLSSIPGAA VTSLRIDGVL
     HEFTSVPGVK EDVTEIVLNV KNLVVSSEHD EPVVMYLRKQ GPGAVTAADI APPAGVEVHN
     PDLHIATLNA KGKLELELTV ERGRGYVSAA QNKTGEQEIG RIPVDSIYSP VLKVTYKVEA
     TRVEQRTDFD RLVVDVETKH AISPRDAVAS AGKTLTELFG LARELNVEAE GIDMGPSPTD
     AALAADLALE IEALDLTVRS YNCLKREGIH SVGELVSRSE ADLLDIRNFG QKSIDEVKAK
     LVGMGLHLKD SPPGFDPSAV VNDFEDDDTS FAEDEQL