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Database: UniProt
Entry: A4CJW7_ROBBH
LinkDB: A4CJW7_ROBBH
Original site: A4CJW7_ROBBH 
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
//
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