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Database: UniProt
Entry: D3IKN3_9BACT
LinkDB: D3IKN3_9BACT
Original site: D3IKN3_9BACT 
ID   D3IKN3_9BACT            Unreviewed;       330 AA.
AC   D3IKN3;
DT   23-MAR-2010, integrated into UniProtKB/TrEMBL.
DT   23-MAR-2010, sequence version 1.
DT   24-JAN-2024, entry version 56.
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   ECO:0000313|EMBL:EFC68001.1};
GN   ORFNames=HMPREF0670_02052 {ECO:0000313|EMBL:EFC68001.1};
OS   Prevotella sp. oral taxon 317 str. F0108.
OC   Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Prevotellaceae;
OC   Prevotella.
OX   NCBI_TaxID=575615 {ECO:0000313|EMBL:EFC68001.1, ECO:0000313|Proteomes:UP000003829};
RN   [1] {ECO:0000313|EMBL:EFC68001.1, ECO:0000313|Proteomes:UP000003829}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=F0108 {ECO:0000313|EMBL:EFC68001.1,
RC   ECO:0000313|Proteomes:UP000003829};
RG   The Broad Institute Genome Sequencing Platform;
RA   Ward D., Feldgarden M., Earl A., Young S.K., Zeng Q., Koehrsen M.,
RA   Alvarado L., Berlin A., Bochicchio J., Borenstein D., Chapman S.B.,
RA   Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A.,
RA   Gujja S., Heilman E., Heiman D., Hepburn T., Howarth C., Jen D., Larson L.,
RA   Lewis B., Mehta T., Park D., Pearson M., Roberts A., Saif S., Shea T.,
RA   Shenoy N., Sisk P., Stolte C., Sykes S., Thomson T., Walk T., White J.,
RA   Yandava C., Izard J., Baranova O.V., Blanton J.M., Tanner A.C.,
RA   Dewhirst F.E., Haas B., Nusbaum C., Birren B.;
RT   "The Genome Sequence of Prevotella sp. Oral Taxon 317 strain F0108.";
RL   Submitted (NOV-2009) to the EMBL/GenBank/DDBJ databases.
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; GG740074; EFC68001.1; -; Genomic_DNA.
DR   RefSeq; WP_009231149.1; NZ_GG740074.1.
DR   AlphaFoldDB; D3IKN3; -.
DR   eggNOG; COG0202; Bacteria.
DR   HOGENOM; CLU_053084_0_1_10; -.
DR   Proteomes; UP000003829; Unassembled WGS sequence.
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:UP000003829};
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          21..231
FT                   /note="DNA-directed RNA polymerase RpoA/D/Rpb3-type"
FT                   /evidence="ECO:0000259|SMART:SM00662"
FT   REGION          1..231
FT                   /note="Alpha N-terminal domain (alpha-NTD)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
FT   REGION          253..330
FT                   /note="Alpha C-terminal domain (alpha-CTD)"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
SQ   SEQUENCE   330 AA;  37399 MW;  8E71F2BC1EE7308C CRC64;
     MAILAFQKPD KVVMLEANDK FGRFEFRPLE PGFGVTIGNS LRRILLSSLE GFSINTVRIA
     GVEHEFSSVP GVKEDVTNII LNLKQVRFKQ VVEEFENEKV SITVENTTEF KAGDIGKYLT
     GFEVLNPDLV ICHLDAKASL QIDLTINKGR GYVPADENRE FCTDVNVIPI DSIYTPIRNV
     RYSVEPYRVE QKTDYDKLVI DVTTDGSISP KDALKEAAKI LIYHFMLFSD EKIAVENQDV
     DTNEEFDEEV LHMRQLLKTK LVDMNLSVRA LNCLKAADVE TLGDLVQYNK TDLLKFRNFG
     KKSLTELDDL LLGLNLSFGT DISKYKLDRD
//
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