A0A290DMP2 · A0A290DMP2_9ASPA
- ProteinDNA-directed RNA polymerase subunit beta''
- GenerpoC2
- StatusUniProtKB unreviewed (TrEMBL)
- Organism
- Amino acids1380 (go to sequence)
- Protein existenceInferred from homology
- Annotation score3/5
Function
function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.
Catalytic activity
- a ribonucleoside 5'-triphosphate + RNA(n) = diphosphate + RNA(n+1)
Cofactor
Note: Binds 1 Zn2+ ion per subunit.
Features
Showing features for binding site.
GO annotations
Aspect | Term | |
---|---|---|
Cellular Component | chloroplast | |
Cellular Component | DNA-directed RNA polymerase complex | |
Molecular Function | DNA binding | |
Molecular Function | DNA-directed 5'-3' RNA polymerase activity | |
Molecular Function | zinc ion binding | |
Biological Process | DNA-templated transcription |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameDNA-directed RNA polymerase subunit beta''
- EC number
- Alternative names
Gene names
Encoded on
- Chloroplast
Organism names
- Organism
- Taxonomic lineageEukaryota > Viridiplantae > Streptophyta > Embryophyta > Tracheophyta > Spermatophyta > Magnoliopsida > Liliopsida > Asparagales > Hyacinthaceae > Hyacinthoideae > Hyacintheae > Barnardia
Accessions
- Primary accessionA0A290DMP2
Subcellular Location
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.
Structure
Family & Domains
Features
Showing features for domain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Domain | 93-157 | RNA polymerase Rpb1 | ||||
Sequence: AVEKLRQSIEIWYATSEYLRQEMNPNFRMTDPSNPVHLMSFSGARGNASQVHQLVGMRGLMSDPQ | ||||||
Domain | 172-382 | RNA polymerase Rpb1 | ||||
Sequence: GLSLTEYIISCYGARKGVVDTAVRTSDAGYLTRRLVEVVQHIIVRRTDCGTIRGISVSPWSGVTEKIFVQTLIGRVLADDIYMGIRCIATRNQDIGIGLANRFITFRAQPIYIRTPFTCRNTSWICQLCYGRSPTHGDLVELGGAVGIIAGQSIGEPGTQLTLRTFHTGGVFTGGTAEHVRAPSNGKIKFNEYLVHPTRTRHGHPAFLCSI | ||||||
Domain | 1184-1270 | RNA polymerase Rpb1 | ||||
Sequence: LTIAQSRTSLVNKIQKVYRSQGVQIHNRHIEIIVRQVTSKVLVSEDGMSNVFLPGELIVLLRAERAGRALDEAICYRAILLGITRAS |
Sequence similarities
Belongs to the RNA polymerase beta' chain family. RpoC2 subfamily.
Family and domain databases
Sequence
- Sequence statusComplete
- Length1,380
- Mass (Da)156,695
- Last updated2017-12-20 v1
- ChecksumB1E8D9BAFDF784E5