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Protein

DNA-directed RNA polymerase subunit alpha

Gene

rpoA

Organism
Salinibacter ruber (strain DSM 13855 / M31)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.UniRule annotation

Catalytic activityi

Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1).UniRule annotation

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionNucleotidyltransferase, Transferase
Biological processTranscription

Names & Taxonomyi

Protein namesi
Recommended name:
DNA-directed RNA polymerase subunit alphaUniRule annotation (EC:2.7.7.6UniRule annotation)
Short name:
RNAP subunit alphaUniRule annotation
Alternative name(s):
RNA polymerase subunit alphaUniRule annotation
Transcriptase subunit alphaUniRule annotation
Gene namesi
Name:rpoAUniRule annotation
Ordered Locus Names:SRU_1060
OrganismiSalinibacter ruber (strain DSM 13855 / M31)
Taxonomic identifieri309807 [NCBI]
Taxonomic lineageiBacteriaBacteroidetesBacteroidetes Order II. Incertae sedisRhodothermaceaeSalinibacter
Proteomesi
  • UP000008674 Componenti: Chromosome

Subcellular locationi

Keywords - Cellular componenti

DNA-directed RNA polymerase

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002645421 – 328DNA-directed RNA polymerase subunit alphaAdd BLAST328

Interactioni

Subunit structurei

Homodimer. The RNAP catalytic core consists of 2 alpha, 1 beta, 1 beta' and 1 omega subunit. When a sigma factor is associated with the core the holoenzyme is formed, which can initiate transcription.UniRule annotation

GO - Molecular functioni

Protein-protein interaction databases

STRINGi309807.SRU_1060

Structurei

3D structure databases

ProteinModelPortaliQ2S3N9
SMRiQ2S3N9
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni1 – 230Alpha N-terminal domain (alpha-NTD)UniRule annotationAdd BLAST230
Regioni248 – 328Alpha C-terminal domain (alpha-CTD)UniRule annotationAdd BLAST81

Domaini

The N-terminal domain is essential for RNAP assembly and basal transcription, whereas the C-terminal domain is involved in interaction with transcriptional regulators and with upstream promoter elements.UniRule annotation

Sequence similaritiesi

Belongs to the RNA polymerase alpha chain family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105CTF Bacteria
COG0202 LUCA
HOGENOMiHOG000218481
KOiK03040
OrthoDBiPOG091H001Z

Family and domain databases

Gene3Di2.170.120.12, 1 hit
3.30.1360.10, 2 hits
HAMAPiMF_00059 RNApol_bact_RpoA, 1 hit
InterProiView protein in InterPro
IPR011262 DNA-dir_RNA_pol_insert
IPR011263 DNA-dir_RNA_pol_RpoA/D/Rpb3
IPR011773 DNA-dir_RpoA
IPR036603 RBP11-like
IPR011260 RNAP_asu_C
IPR036643 RNApol_insert_sf
PANTHERiPTHR32108 PTHR32108, 1 hit
PfamiView protein in Pfam
PF01000 RNA_pol_A_bac, 1 hit
PF03118 RNA_pol_A_CTD, 1 hit
PF01193 RNA_pol_L, 1 hit
ProDomiView protein in ProDom or Entries sharing at least one domain
PD001179 RNAP_asu_C, 1 hit
SMARTiView protein in SMART
SM00662 RPOLD, 1 hit
SUPFAMiSSF55257 SSF55257, 2 hits
SSF56553 SSF56553, 1 hit
TIGRFAMsiTIGR02027 rpoA, 1 hit

Sequencei

Sequence statusi: Complete.

Q2S3N9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSNHGLQMPE GVHVEEVSDS EGQFVMGPLE RGYGVTIGNA LRRVLLSSLR
60 70 80 90 100
GLAITAVKID GVQHEFSTIP GVTEDVADLI LNLKEVRFKA DEMQEGHLHL
110 120 130 140 150
NLEGPGNWTA ADIDEATAEY DVLNPDQHVA TLAEDAVVNV DLRVGYGRGY
160 170 180 190 200
VPSEENKRED DPIGVIAIDS IFTPIKNVNY EVKPTRVGQK IDYEELLLDV
210 220 230 240 250
ETDGSLTPEE AITQGASILR DHVSFFIQLE EEPEPVVEEQ EVDEEVKRIR
260 270 280 290 300
ELLAQPVDEL DLSVRSHNCL KAANIKTIGD LVRREEDEML KFRNFGRKSL
310 320
QELVEVLDER GLQFGMDVEE YLEEKKAS
Length:328
Mass (Da):36,701
Last modified:July 24, 2007 - v2
Checksum:iAF899F9FD4608683
GO

Sequence cautioni

The sequence ABC44696 differs from that shown. Reason: Erroneous initiation.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000159 Genomic DNA Translation: ABC44696.1 Different initiation.
RefSeqiYP_445192.1, NC_007677.1

Genome annotation databases

EnsemblBacteriaiABC44696; ABC44696; SRU_1060
GeneIDi3851770
KEGGisru:SRU_1060
PATRICifig|309807.25.peg.1098

Similar proteinsi

Entry informationi

Entry nameiRPOA_SALRD
AccessioniPrimary (citable) accession number: Q2S3N9
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 12, 2006
Last sequence update: July 24, 2007
Last modified: April 25, 2018
This is version 86 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome
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Main funding by: National Institutes of Health