A0A1B1QC91 · A0A1B1QC91_9ASPA

  • 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

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
  • Organism
  • Taxonomic lineage
    Eukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > Liliopsida > Asparagales > Orchidaceae > Epidendroideae > Neottieae > Neottia

Accessions

  • Primary accession
    A0A1B1QC91

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
Domain580-979DNA-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)
    120,885
  • Last updated
    2016-11-02 v1
  • Checksum
    B451ABD54B2E7707
MLQNGNEGMSTIPGFSQIQFEGFCRFINQGLMEEFQKFQKIEDRDQGIEFQLFVETYQLVEPLIKERDAVSESLTYSSELYVPAILIWKTGRNMQEQTIFMGNIPIMNSFGTSIVNGIYRIVINQILQSPGIYYRSELEHNGISVYTSTIISDWGGRLELEIDRKARIWARVSRKQKISILVLSSAMGSNIREILDNVCYPEIFLSFPNDKEKKKIGSKENAILEFYQQFACVGGDPVFSESLCKELQKKFFQQRCELGKIGRRNMNRRLNLDIPQNNTFLLPRDLLAAVDLLIGMKLGMGTLDDMNHLKNKRIRSVADLLQDQFGLALVRLENAVRGTICGAIRHKLIPTPQNLVTSTSLTTTYESFFGLHPLSQVLDRTNPLTQIVHGRKWSYLGPGGLTGRTASFRIRDIHPSHYGRICPIDTSEGINVGLIGSLAIHVKVGYWGSIESPFYELSERSKEAQMVYLSPNRDEYYMVAAGNSLALNRGIQEQQVVPARYRQEFLTIAWEEIHLRSIFPFQYFSIGASLIPFIEHNDANRALMSSNMQRQAVPLSRSEKCIVGTGLEGQTALDSGISAIAERKGKIIYTDTHKIIFSSNEDTLIISLVMYQRSNKNTCMHQKTQVRRGKYIKKGQILAGGAATAGGELALGKNVLVAYMPWEGYNFEDAVLISERLVYEDIYTSFHIRKYEIQTHVTSQGPERITKEIPHLEAHLLRNLDRNGIVILGSWIETGDILVGKLTPQTANESSYAPEDRLLRAILGIQVSTSKETSLRLPIGGRGRVIDVRWVHRKGGSNSNPERICVYILQKREIKVGDKVAGRHGNKGIISKILSRQDMPYLQDGTPVDMVFNPLGVPSRMNVGQIFECSLGLAGDLLKKHYRIAPFDERYEQEASRKLVFSELYEASKQTKNPWVFEPEYPGKSRIFDGRTGDLFEQPVLIGKSYILKLIHQVDDKIHGRSSGHYALVTQQPLRGRAKQGGQRVGEMEVWALEGFGVAHILQEMLTSKSDHIRARQEVLGATIIGATVPNPEGAPESFRLLVRELRSLSLELNHFLVSEKNFQMNRKEA

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
KU551269
EMBL· GenBank· DDBJ
ANT72861.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

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