Scheduled Maintenance – 3–5 November 2026
Due to scheduled infrastructure maintenance, Ensembl Archive sites will have significantly reduced capacity and availability from 3 to 5 November.
Ensembl Tools will be unavailable throughout this period, and no jobs can be processed.
We apologise for the inconvenience.

Mouse (GRCm39) ▼
Description

polymerase (RNA) II (DNA directed) polypeptide A [Source:MGI Symbol;Acc:MGI:98086]

Gene Synonyms

220kDa, Rpo2-1

Location

Chromosome 11: 69,624,820-69,649,468 reverse strand.

GRCm39:CM001004.3

About this gene

This gene has 7 transcripts (splice variants), 194 orthologues, 2 paralogues and is associated with 6 phenotypes.

Transcript IDNamebpProteinTranslation IDBiotypeCCDSUniProt MatchFlags
ENSMUST00000058470.17Polr2a-20167481970aaENSMUSP00000050771.10
 
Protein coding
CCDS70217P08775 Ensembl CanonicalGENCODE PrimaryGENCODE BasicAPPRIS P1TSL:1
ENSMUST00000550159.1Polr2a-20667451969aaENSMUSP00000328522.1
 
Protein coding
-GENCODE Basic
ENSMUST00000071213.4Polr2a-20257991932aaENSMUSP00000071200.4
 
Protein coding
A0A0R4J0V5 GENCODE BasicTSL:5
ENSMUST00000409487.1Polr2a-205106080aaENSMUSP00000187850.1
 
Protein coding
-GENCODE PrimaryGENCODE Basic
ENSMUST00000550160.1Polr2a-2076201379aaENSMUSP00000328523.1
 
Nonsense mediated decay
--
ENSMUST00000156588.2Polr2a-204689No protein-
 
Protein coding CDS not defined
-TSL:3
ENSMUST00000151586.2Polr2a-203586No protein-
 
Protein coding CDS not defined
-TSL:2