ID A4CJW7_ROBBH Unreviewed; 317 AA.
AC A4CJW7;
DT 03-APR-2007, integrated into UniProtKB/TrEMBL.
DT 03-APR-2007, sequence version 1.
DT 24-JAN-2024, entry version 86.
DE RecName: Full=DNA-directed RNA polymerase subunit alpha {ECO:0000256|ARBA:ARBA00015972, ECO:0000256|HAMAP-Rule:MF_00059};
DE Short=RNAP subunit alpha {ECO:0000256|HAMAP-Rule:MF_00059};
DE EC=2.7.7.6 {ECO:0000256|ARBA:ARBA00012418, ECO:0000256|HAMAP-Rule:MF_00059};
DE AltName: Full=RNA polymerase subunit alpha {ECO:0000256|ARBA:ARBA00033070, ECO:0000256|HAMAP-Rule:MF_00059};
DE AltName: Full=Transcriptase subunit alpha {ECO:0000256|ARBA:ARBA00032524, ECO:0000256|HAMAP-Rule:MF_00059};
GN Name=rpoA {ECO:0000256|HAMAP-Rule:MF_00059};
GN OrderedLocusNames=RB2501_09985 {ECO:0000313|EMBL:EAR17225.1};
OS Robiginitalea biformata (strain ATCC BAA-864 / HTCC2501 / KCTC 12146).
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Robiginitalea.
OX NCBI_TaxID=313596 {ECO:0000313|EMBL:EAR17225.1, ECO:0000313|Proteomes:UP000009049};
RN [1] {ECO:0000313|EMBL:EAR17225.1, ECO:0000313|Proteomes:UP000009049}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-864 / HTCC2501 / KCTC 12146
RC {ECO:0000313|Proteomes:UP000009049};
RX PubMed=19767438; DOI=10.1128/JB.01191-09;
RA Oh H.M., Giovannoni S.J., Lee K., Ferriera S., Johnson J., Cho J.C.;
RT "Complete genome sequence of Robiginitalea biformata HTCC2501.";
RL J. Bacteriol. 191:7144-7145(2009).
CC -!- FUNCTION: DNA-dependent RNA polymerase catalyzes the transcription of
CC DNA into RNA using the four ribonucleoside triphosphates as substrates.
CC {ECO:0000256|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:0000256|ARBA:ARBA00024550,
CC ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00059}.
CC -!- SIMILARITY: Belongs to the RNA polymerase alpha chain family.
CC {ECO:0000256|ARBA:ARBA00007123, ECO:0000256|HAMAP-Rule:MF_00059}.
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DR EMBL; CP001712; EAR17225.1; -; Genomic_DNA.
DR AlphaFoldDB; A4CJW7; -.
DR STRING; 313596.RB2501_09985; -.
DR KEGG; rbi:RB2501_09985; -.
DR eggNOG; COG0202; Bacteria.
DR HOGENOM; CLU_053084_0_1_10; -.
DR OMA; LMKFRNF; -.
DR Proteomes; UP000009049; 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 {ECO:0000256|ARBA:ARBA00022478,
KW ECO:0000256|HAMAP-Rule:MF_00059};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695, ECO:0000256|HAMAP-
KW Rule:MF_00059}; Reference proteome {ECO:0000313|Proteomes:UP000009049};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00059};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00059}.
FT DOMAIN 8..218
FT /note="DNA-directed RNA polymerase RpoA/D/Rpb3-type"
FT /evidence="ECO:0000259|SMART:SM00662"
FT REGION 1..218
FT /note="Alpha N-terminal domain (alpha-NTD)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
FT REGION 240..317
FT /note="Alpha C-terminal domain (alpha-CTD)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
SQ SEQUENCE 317 AA; 35895 MW; A52D5204BEBECD31 CRC64;
MIDSTDFEGK FEFRPLEPGY GLTVGNALRR VLLASLEGFA ITSVRIDKVE HEFSVIEGVV
EDVTEIILNL KQIRFKRQID DVNEETVSIS VSGKEQLTAG DFQKFISGFQ VLNPDLVICN
MDPKVSINME IIIEKGRGYV PAEENKKSNA PLGSIAVDSI FTPVRNVKYS IENYRVEQKT
DYEKLVFEIL TDGSIHPKDA LTEAAKVLIH HFMLFSDERI TLEADEIAQT ETYDEESLHM
RQLLKTKLVD MDLSVRALNC LKAAEVDTLG DLVSFNKNDL MKFRNFGKKS LTELEELVIN
KGLNFGMDLS KYKLDKD
//