ID A0A126PGB0_9BACT Unreviewed; 329 AA.
AC A0A126PGB0;
DT 11-MAY-2016, integrated into UniProtKB/TrEMBL.
DT 11-MAY-2016, sequence version 1.
DT 24-JAN-2024, entry version 36.
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 ORFNames=AXW84_17840 {ECO:0000313|EMBL:AMJ67082.1};
OS Hymenobacter sp. PAMC 26628.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Hymenobacteraceae;
OC Hymenobacter.
OX NCBI_TaxID=1484118 {ECO:0000313|EMBL:AMJ67082.1, ECO:0000313|Proteomes:UP000059956};
RN [1] {ECO:0000313|EMBL:AMJ67082.1, ECO:0000313|Proteomes:UP000059956}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PAMC26628 {ECO:0000313|EMBL:AMJ67082.1,
RC ECO:0000313|Proteomes:UP000059956};
RA Wen L., He K., Yang H.;
RL Submitted (FEB-2016) 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; CP014304; AMJ67082.1; -; Genomic_DNA.
DR RefSeq; WP_068236356.1; NZ_CP014304.1.
DR AlphaFoldDB; A0A126PGB0; -.
DR STRING; 1484118.AXW84_17840; -.
DR KEGG; hyz:AXW84_17840; -.
DR OrthoDB; 9805706at2; -.
DR Proteomes; UP000059956; 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:UP000059956};
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..230
FT /note="DNA-directed RNA polymerase RpoA/D/Rpb3-type"
FT /evidence="ECO:0000259|SMART:SM00662"
FT REGION 1..241
FT /note="Alpha N-terminal domain (alpha-NTD)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
FT REGION 252..329
FT /note="Alpha C-terminal domain (alpha-CTD)"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00059"
SQ SEQUENCE 329 AA; 37136 MW; 55106375853DF175 CRC64;
MSILAFQMPE KVVMEKSDDF TGTFEFKPLE KGYGVTIGNA LRRILLSSLE GFAITSVRTN
SVLHEFSTIE GVIEDMSEII LNLKMVRFKK VSDAIPDKIT VRVKGQDTFS GADISKFASG
FQVLNPDHVI CHVDPSKELE FELTINRGRG YVPADENKQI DQVFGQIAID AIYTPIKNVK
YSIENTRVEQ KTDYEKLILE IQTDGSIHPE EALKGAANIL IQHFMLFSDS TMATVGARVV
EDEPIDEETM QMRKMLKTPL EDMELSVRAK NCLKAADIKT MGELVTLEIA DMMKFRNFGK
KSLTELENLV EERGLEFGMD LGKYRLEED
//