Incidental Mutation 'R4026:Oprk1'
ID 312974
Institutional Source Beutler Lab
Gene Symbol Oprk1
Ensembl Gene ENSMUSG00000025905
Gene Name opioid receptor, kappa 1
Synonyms Oprk2, R21, KOR-1
MMRRC Submission 040849-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.266) question?
Stock # R4026 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 5658689-5676354 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 5668908 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 118 (V118A)
Ref Sequence ENSEMBL: ENSMUSP00000125105 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027038] [ENSMUST00000160339] [ENSMUST00000160777]
AlphaFold P33534
Predicted Effect probably benign
Transcript: ENSMUST00000027038
AA Change: V118A

PolyPhen 2 Score 0.038 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000027038
Gene: ENSMUSG00000025905
AA Change: V118A

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 67 280 4.8e-8 PFAM
Pfam:7TM_GPCR_Srsx 70 345 5.4e-14 PFAM
Pfam:7tm_1 76 330 2.6e-67 PFAM
Pfam:7TM_GPCR_Srv 79 345 6.8e-9 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000159083
Predicted Effect probably benign
Transcript: ENSMUST00000160339
AA Change: V118A

PolyPhen 2 Score 0.038 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000124030
Gene: ENSMUSG00000025905
AA Change: V118A

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 67 284 1.1e-7 PFAM
Pfam:7TM_GPCR_Srsx 70 345 5.4e-14 PFAM
Pfam:7tm_1 76 330 2.6e-60 PFAM
Pfam:7TM_GPCR_Srv 78 345 5.2e-9 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000160777
AA Change: V118A

PolyPhen 2 Score 0.038 (Sensitivity: 0.94; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000125105
Gene: ENSMUSG00000025905
AA Change: V118A

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 67 280 4.8e-8 PFAM
Pfam:7TM_GPCR_Srsx 70 345 5.4e-14 PFAM
Pfam:7tm_1 76 330 2.6e-67 PFAM
Pfam:7TM_GPCR_Srv 79 345 6.8e-9 PFAM
Meta Mutation Damage Score 0.1117 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.1%
Validation Efficiency 97% (36/37)
MGI Phenotype FUNCTION: This gene encodes an opioid receptor, which is a member of the 7 transmembrane-spanning G protein-coupled receptor family. It functions as a receptor for endogenous ligands, as well as a receptor for various synthetic opioids. Ligand binding results in inhibition of adenylate cyclase activity and neurotransmitter release. This opioid receptor plays a role in the perception of pain and mediating the hypolocomotor, analgesic and aversive actions of synthetic opioids. Variations in this gene have also been associated with alcohol dependence and opiate addiction. Alternatively spliced transcript variants have been found for this gene. A recent study provided evidence for translational readthrough in this gene and expression of an additional C-terminally extended isoform via the use of an alternative in-frame translation termination codon. [provided by RefSeq, Jan 2016]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit impaired response to morphine and an opioid agonist, abnormal pain threshold, and increased litter size. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 32 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrg7 A T 16: 56,550,661 (GRCm39) Y684N probably damaging Het
Ahnak G T 19: 8,988,663 (GRCm39) V3316F probably damaging Het
Cacna1a C T 8: 85,307,962 (GRCm39) T1409I probably damaging Het
Ccdc158 A G 5: 92,791,666 (GRCm39) M698T probably benign Het
Ces2g T A 8: 105,691,377 (GRCm39) V171E probably damaging Het
Ctnna2 A T 6: 77,613,827 (GRCm39) D254E possibly damaging Het
Dlec1 T C 9: 118,966,408 (GRCm39) Y1126H probably damaging Het
Dspp G A 5: 104,325,563 (GRCm39) S642N unknown Het
Fezf2 A T 14: 12,343,986 (GRCm38) C302S probably damaging Het
Gm10754 A G 10: 97,517,978 (GRCm39) probably benign Het
Gm5581 G A 6: 131,144,031 (GRCm39) noncoding transcript Het
Gm7929 T C 14: 41,472,509 (GRCm39) K21E probably damaging Het
Hmcn1 A T 1: 150,598,120 (GRCm39) D1727E probably benign Het
Lrriq4 T C 3: 30,704,422 (GRCm39) V150A possibly damaging Het
Micu3 A G 8: 40,812,496 (GRCm39) probably benign Het
Mrpl3 T C 9: 104,948,685 (GRCm39) probably null Het
Myo1e A G 9: 70,232,157 (GRCm39) I229V probably benign Het
Ncam1 T C 9: 49,476,295 (GRCm39) I265V probably benign Het
Ncoa7 T C 10: 30,598,720 (GRCm39) T68A probably benign Het
Ppp3r1 T C 11: 17,144,786 (GRCm39) V133A probably damaging Het
Sidt1 A G 16: 44,102,249 (GRCm39) S304P possibly damaging Het
Srsf6 T A 2: 162,776,211 (GRCm39) probably benign Het
Tas2r105 A G 6: 131,663,789 (GRCm39) V213A probably benign Het
Tlr12 C T 4: 128,510,301 (GRCm39) E650K probably benign Het
Top2b T G 14: 16,409,189 (GRCm38) I777M probably damaging Het
Trav4-2 T A 14: 53,656,287 (GRCm39) D96E possibly damaging Het
Vmn1r34 T A 6: 66,614,688 (GRCm39) M17L probably benign Het
Vmn2r6 A T 3: 64,445,671 (GRCm39) S685T possibly damaging Het
Vmn2r89 T C 14: 51,689,500 (GRCm39) M1T probably null Het
Wdr20 A G 12: 110,759,950 (GRCm39) T279A probably benign Het
Zfp407 A G 18: 84,577,721 (GRCm39) S1131P possibly damaging Het
Zfyve1 A G 12: 83,641,296 (GRCm39) V120A probably benign Het
Other mutations in Oprk1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00926:Oprk1 APN 1 5,669,128 (GRCm39) missense probably damaging 0.99
IGL02049:Oprk1 APN 1 5,669,067 (GRCm39) missense probably damaging 1.00
IGL02076:Oprk1 APN 1 5,672,512 (GRCm39) missense probably damaging 1.00
IGL02265:Oprk1 APN 1 5,672,871 (GRCm39) missense probably damaging 1.00
IGL02294:Oprk1 APN 1 5,672,610 (GRCm39) missense probably damaging 1.00
IGL02584:Oprk1 APN 1 5,668,827 (GRCm39) missense probably damaging 1.00
IGL03164:Oprk1 APN 1 5,669,087 (GRCm39) missense probably damaging 1.00
R0295:Oprk1 UTSW 1 5,669,073 (GRCm39) missense possibly damaging 0.78
R1209:Oprk1 UTSW 1 5,672,484 (GRCm39) missense probably benign 0.00
R1420:Oprk1 UTSW 1 5,672,544 (GRCm39) missense probably damaging 1.00
R2994:Oprk1 UTSW 1 5,672,955 (GRCm39) missense probably benign 0.00
R3876:Oprk1 UTSW 1 5,672,884 (GRCm39) nonsense probably null
R4096:Oprk1 UTSW 1 5,673,034 (GRCm39) utr 3 prime probably benign
R4097:Oprk1 UTSW 1 5,673,034 (GRCm39) utr 3 prime probably benign
R4475:Oprk1 UTSW 1 5,672,824 (GRCm39) nonsense probably null
R5177:Oprk1 UTSW 1 5,672,897 (GRCm39) missense probably damaging 1.00
R5223:Oprk1 UTSW 1 5,659,519 (GRCm39) missense probably benign 0.30
R6397:Oprk1 UTSW 1 5,668,971 (GRCm39) missense probably damaging 1.00
R6647:Oprk1 UTSW 1 5,672,507 (GRCm39) missense probably damaging 1.00
R7169:Oprk1 UTSW 1 5,659,304 (GRCm39) missense probably benign
R7170:Oprk1 UTSW 1 5,672,619 (GRCm39) missense probably damaging 1.00
R8186:Oprk1 UTSW 1 5,672,540 (GRCm39) missense probably benign 0.16
R9712:Oprk1 UTSW 1 5,669,096 (GRCm39) missense probably damaging 0.98
Z1176:Oprk1 UTSW 1 5,672,925 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- AGTGCATAAGAAATAGGTACCTGC -3'
(R):5'- CAGGAGCCAAATGCAGATGTTG -3'

Sequencing Primer
(F):5'- CATAAGAAATAGGTACCTGCAAAGC -3'
(R):5'- GCCAAATGCAGATGTTGATGATC -3'
Posted On 2015-04-30