Upcoming Ensembl Platform Transition

This is the final release of its kind on this website.

In summer 2026, this site will bring you to the new Ensembl platform currently at beta.ensembl.org.
Please bookmark this archive to retain access to the current site, tools and functionality until they are available on the new platform -> jun2026.archive.ensembl.org

Mouse (GRCm39)
Description

opioid receptor, kappa 1 [Source:MGI Symbol;Acc:MGI:97439]

Gene Synonyms

KOR-1, Oprk2, R21

Location

Chromosome 1: 5,658,667-5,676,375 forward strand.

GRCm39:CM000994.3

About this gene

This gene has 11 transcripts (splice variants), 260 orthologues, 15 paralogues and is associated with 11 phenotypes.

Transcript IDNamebpProteinTranslation IDBiotypeCCDSUniProt MatchFlags
ENSMUST00000160777.9Oprk1-2044745380aaENSMUSP00000125105.2
 
Protein coding
CCDS14809P33534 Q14AL5 Ensembl CanonicalGENCODE PrimaryGENCODE BasicAPPRIS P1TSL:1
ENSMUST00000027038.12Oprk1-2014775380aaENSMUSP00000027038.5
 
Protein coding
CCDS14809P33534 Q14AL5 GENCODE BasicAPPRIS P1TSL:1
ENSMUST00000239100.3Oprk1-2064745409aaENSMUSP00000158863.2
 
Protein coding
A0A5F8MP90 GENCODE Basic
ENSMUST00000404003.1Oprk1-2084739380aaENSMUSP00000182366.1
 
Protein coding
CCDS14809Q14AL5 GENCODE BasicAPPRIS P1
ENSMUST00000404002.1Oprk1-2074728205aaENSMUSP00000182365.1
 
Protein coding
-GENCODE Basic
ENSMUST00000404006.1Oprk1-2114685380aaENSMUSP00000182369.1
 
Protein coding
CCDS14809Q14AL5 GENCODE BasicAPPRIS P1
ENSMUST00000160339.3Oprk1-2034619380aaENSMUSP00000124030.2
 
Protein coding
CCDS14809P33534 Q14AL5 GENCODE BasicAPPRIS P1TSL:5
ENSMUST00000404005.1Oprk1-2101713205aaENSMUSP00000182368.1
 
Protein coding
-GENCODE Basic
ENSMUST00000404004.1Oprk1-2092978109aaENSMUSP00000182367.1
 
Nonsense mediated decay
--
ENSMUST00000159083.2Oprk1-2023327No protein-
 
Retained intron
-TSL:1
ENSMUST00000192685.2Oprk1-2052846No protein-
 
Retained intron
-TSL:NA