A0A3Q8C9M7 · A0A3Q8C9M7_PETHY

  • Protein
    DNA-directed RNA polymerase subunit beta
  • Gene
    rpoB
  • Status
    UniProtKB unreviewed (TrEMBL)
  • Amino acids
  • Protein existence
    Inferred from homology
  • Annotation score
    3/5

Function

function

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

Catalytic activity

GO annotations

all annotationsall molecular functionnucleotide bindingmolecular_functionnucleic acid bindingdna bindingchromatin bindingdna-binding transcription factor activityrna bindingcytoskeletal motor activitycatalytic activitynuclease activitysignaling receptor bindingstructural molecule activitytransporter activitybindingprotein bindingtranslation factor activity, rna bindinglipid bindingkinase activitytransferase activityhydrolase activityoxygen bindingenzyme regulator activitycarbohydrate bindingsignaling receptor activitytranslation regulator activitytranscription regulator activityother molecular functionall biological processcarbohydrate metabolic processgeneration of precursor metabolites and energynucleobase-containing compound metabolic processdna metabolic processtranslationlipid metabolic processtransportresponse to stresscell cyclecell communicationsignal transductioncell-cell signalingmulticellular organism developmentcircadian rhythmbiological_processmetabolic processcatabolic processbiosynthetic processresponse to light stimulusresponse to external stimulustropismresponse to biotic stimulusresponse to abiotic stimulusresponse to endogenous stimulusembryo developmentpost-embryonic developmentfruit ripeningabscissionpollinationflower developmentcellular processprogrammed cell deathphotosynthesiscellular component organizationcell growthprotein metabolic processcellular homeostasissecondary metabolic processreproductive processcell differentiationprotein modification processgrowthepigenetic regulation of gene expressionresponse to chemicalanatomical structure developmentregulation of molecular functionother biological processall cellular componentcellular_componentextracellular regioncell wallintracellular anatomical structurenucleusnuclear envelopenucleoplasmnucleoluscytoplasmmitochondrionlysosomeendosomevacuoleperoxisomeendoplasmic reticulumgolgi apparatuscytosolribosomecytoskeletonplasma membranechloroplastplastidthylakoidmembraneexternal encapsulating structureother cellular component
Cell color indicative of number of GO terms
AspectTerm
Cellular Componentchloroplast
Cellular ComponentDNA-directed RNA polymerase complex
Molecular FunctionDNA binding
Molecular FunctionDNA-directed 5'-3' RNA polymerase activity
Molecular Functionribonucleoside binding
Biological ProcessDNA-templated transcription

Keywords

Enzyme and pathway databases

Names & Taxonomy

Protein names

  • Recommended name
    DNA-directed RNA polymerase subunit beta
  • EC number
  • Alternative names
    • PEP
    • Plastid-encoded RNA polymerase subunit beta
      (RNA polymerase subunit beta
      )

Gene names

    • Name
      rpoB

Encoded on

  • Chloroplast

Organism names

  • Taxonomic identifier
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > eudicotyledons > Gunneridae > Pentapetalae > asterids > lamiids > Solanales > Solanaceae > Petunioideae > Petunia

Accessions

  • Primary accession
    A0A3Q8C9M7

Subcellular Location

Keywords

Interaction

Subunit

In plastids the minimal PEP RNA polymerase catalytic core is composed of four subunits: alpha, beta, beta', and beta''. When a (nuclear-encoded) sigma factor is associated with the core the holoenzyme is formed, which can initiate transcription.

Family & Domains

Features

Showing features for domain.

TypeIDPosition(s)Description
Domain128-315RNA polymerase Rpb2
Domain376-444RNA polymerase Rpb2
Domain585-979DNA-directed RNA polymerase subunit 2 hybrid-binding
Domain981-1056RNA polymerase Rpb2

Sequence similarities

Belongs to the RNA polymerase beta chain family.

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    1,070
  • Mass (Da)
    120,678
  • Last updated
    2019-04-10 v1
  • Checksum
    3C017746B38B00AA
MLGDGNEGISTIPGFNQIQFEGFCRFIDQGLREELYKFPKIEDTDQEIEFQLFVETYQLVEPLIKERDAVYESLTYSSELYVSAGLIWKNSRDMQEQTIFIGNIPLMNSLGTSIVNGIYRIVINQILQSPGIYYRSELDHNGISVYTGTIISDWGGRSELEIDRKARIWARVSRKQKISILVLSSAMGLNLREILENVCYPEIFLSFLSDKERKKIGSKENAILEFYQQFACVGGDPVFSESLCKELQKKFFQQRCELGRIGRRNMNRRLNLDIPQNNTFLLPRDILAAADHLIGLKFGMGALDDMNHLKNKRIRSVADLLQDQFGLALVRLENVVRGTICGAIRHKLIPTPQNLVTSTPLTTTYESFFGLHPLSQVLDRTNPLTQIVHGRKLSYLGPGGMTGRTASFRIRDIHPSHYGRICPIDTSEGINVGLIGSLAIHARIGHWGSLESPFYEISERSTGIRMLYLSPGRDEYYMVAAGNSLALNRDIQEEQVVPARYRQEFLTIAWEQVHLRSIFPFQYFSIGASLIPFIEHNDANRALMSSNMQRQAVPLSRSEKCIVGTGLERQAALDSGALAIAEREGRVVYTNTDKILLAGNGDILSIPLVIYQRSNKNTCMHQKLRVPRGKCIKKGQILADGAATVGGELALGKNVLVAYMPWEGYNSEDAVLISERLVYEDIYTSFHIRKYEIQTHVTSQGPEKVTKEIPHLEAHLLRNLDKNGIVMLGSWVETGDILVGKLTPQVVKESSYAPEDRLLRAILGIQVSTSKETCLKLPIGGRGRVIDVRWIQKRGGSSYNPETIRVYISQKREIKVGDKVAGRHGNKGIISKILPRQDMPYLQDGRSVDMVFNPLGVPSRMNVGQIFECSLGLAGSLLDRHYRIAPFDERYEQEASRKLVFSELYEASKQTANPWVFEPEYPGKSRIFDGRTGNPFEQPVIIGKPYILKLIHQVDDKIHGRSSGHYALVTQQPLRGRAKQGGQRVGEMEVWALEGFGVAHILQEMLTYKSDHIRARQEVLGTTIIGGTIPNPEDAPESFRLLVRELRSLALELNHFLVSEKNFQINRKEA

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
MF459662
EMBL· GenBank· DDBJ
AUG33645.1
EMBL· GenBank· DDBJ
Genomic DNA

Similar Proteins

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