ID RPOA_JANMA Reviewed; 325 AA.
AC A6T3H8;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 27-MAR-2024, entry version 89.
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=mma_3385;
OS Janthinobacterium sp. (strain Marseille) (Minibacterium massiliensis).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Oxalobacteraceae; Janthinobacterium.
OX NCBI_TaxID=375286;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Marseille;
RX PubMed=17722982; DOI=10.1371/journal.pgen.0030138;
RA Audic S., Robert C., Campagna B., Parinello H., Claverie J.-M., Raoult D.,
RA Drancourt M.;
RT "Genome analysis of Minibacterium massiliensis highlights the convergent
RT evolution of water-living bacteria.";
RL PLoS Genet. 3:1454-1463(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: 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; CP000269; ABR88933.1; -; Genomic_DNA.
DR RefSeq; WP_012081228.1; NC_009659.1.
DR AlphaFoldDB; A6T3H8; -.
DR SMR; A6T3H8; -.
DR STRING; 375286.mma_3385; -.
DR KEGG; mms:mma_3385; -.
DR eggNOG; COG0202; Bacteria.
DR HOGENOM; CLU_053084_0_0_4; -.
DR OrthoDB; 9805706at2; -.
DR Proteomes; UP000006388; 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:DNA-templated transcription; IEA:UniProtKB-UniRule.
DR CDD; cd06928; RNAP_alpha_NTD; 1.
DR Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 1.
DR Gene3D; 2.170.120.12; DNA-directed RNA polymerase, insert domain; 1.
DR Gene3D; 3.30.1360.10; RNA polymerase, RBP11-like subunit; 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 NCBIfam; TIGR02027; rpoA; 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; SSF47789; C-terminal domain of RNA polymerase alpha subunit; 1.
DR SUPFAM; SSF56553; Insert subdomain of RNA polymerase alpha subunit; 1.
DR SUPFAM; SSF55257; RBP11-like subunits of RNA polymerase; 1.
PE 3: Inferred from homology;
KW DNA-directed RNA polymerase; Nucleotidyltransferase; Reference proteome;
KW Transcription; Transferase.
FT CHAIN 1..325
FT /note="DNA-directed RNA polymerase subunit alpha"
FT /id="PRO_1000007687"
FT REGION 1..231
FT /note="Alpha N-terminal domain (alpha-NTD)"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
FT REGION 246..325
FT /note="Alpha C-terminal domain (alpha-CTD)"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00059"
SQ SEQUENCE 325 AA; 35566 MW; FCAE90ACD05876EC CRC64;
MQNSLLKPRI IEVEVLGAGH AKVVMEPFER GYGHTLGNAL RRVLLSSMVG YAPTEVTIAG
VVHEYSSLDG VQEDVVDLLL NLKGVVFKLH NRDDVTLTLK KDGEGAVLAS DIELPHDVEL
VNPDHVIAHL TAGGKLDMQI KVEKGRGYVP GNVRRLSEDT NKTIGRIILD ASFSPVRRVS
YAVESARVEQ RTDLDKLVIN IETNGVISPE EAIRQSARVL VDQLNVFAAL EGTEAPADAP
SRAPAVDPIL LRPVDDLELT VRSANCLKAE NIYYIGDLIQ RSENELLKTP NLGRKSLNEI
KEVLASRGLT LGMKLENWPP AGLEK
//
