Incidental Mutation 'R2322:Cnr1'
ID 244771
Institutional Source Beutler Lab
Gene Symbol Cnr1
Ensembl Gene ENSMUSG00000044288
Gene Name cannabinoid receptor 1
Synonyms CB1, CB1R
Accession Numbers
Essential gene? Probably non essential (E-score: 0.247) question?
Stock # R2322 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 33924593-33948831 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 33944514 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 301 (K301E)
Ref Sequence ENSEMBL: ENSMUSP00000081787 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000057188] [ENSMUST00000084736]
AlphaFold P47746
Predicted Effect probably damaging
Transcript: ENSMUST00000057188
AA Change: K301E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000055797
Gene: ENSMUSG00000044288
AA Change: K301E

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 125 319 1.4e-7 PFAM
Pfam:7TM_GPCR_Srv 126 415 1.1e-8 PFAM
Pfam:7TM_GPCR_Srsx 127 413 1.4e-14 PFAM
Pfam:7tm_1 134 398 2.4e-45 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000084736
AA Change: K301E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000081787
Gene: ENSMUSG00000044288
AA Change: K301E

DomainStartEndE-ValueType
Pfam:7TM_GPCR_Srx 125 319 1.9e-7 PFAM
Pfam:7TM_GPCR_Srv 126 415 1.3e-8 PFAM
Pfam:7TM_GPCR_Srsx 127 413 1.4e-14 PFAM
Pfam:7tm_1 134 398 2.2e-52 PFAM
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of two cannabinoid receptors. The cannabinoids, principally delta-9-tetrahydrocannabinol and synthetic analogs, are psychoactive ingredients of marijuana. The cannabinoid receptors are members of the guanine-nucleotide-binding protein (G-protein) coupled receptor family, which inhibit adenylate cyclase activity in a dose-dependent, stereoselective and pertussis toxin-sensitive manner. The two receptors have been found to be involved in the cannabinoid-induced CNS effects (including alterations in mood and cognition) experienced by users of marijuana. Multiple transcript variants encoding two different protein isoforms have been described for this gene. [provided by RefSeq, May 2009]
PHENOTYPE: Mice homozygous for a null allele exhibit abnormal behaviors, altered long term depression and susceptibility to induced seizure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 21 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2ml1 C T 6: 128,557,349 (GRCm39) A115T probably benign Het
AY358078 A G 14: 52,042,147 (GRCm39) Y174C unknown Het
Bod1l A T 5: 41,984,463 (GRCm39) V529E probably benign Het
Brinp3 A G 1: 146,577,492 (GRCm39) T176A probably benign Het
Ccn2 T C 10: 24,472,732 (GRCm39) M214T probably damaging Het
Cfap57 T A 4: 118,467,922 (GRCm39) I272L probably benign Het
Elavl1 A T 8: 4,339,802 (GRCm39) L260H probably damaging Het
Ercc6 A G 14: 32,248,274 (GRCm39) Y275C probably damaging Het
Fndc1 A G 17: 8,007,847 (GRCm39) S96P probably damaging Het
Hykk G A 9: 54,853,418 (GRCm39) G247S probably benign Het
Ky T C 9: 102,414,990 (GRCm39) probably null Het
Mcu A C 10: 59,290,766 (GRCm39) probably null Het
Or2y17 T G 11: 49,231,476 (GRCm39) L39R probably damaging Het
Or5w11 T C 2: 87,459,118 (GRCm39) C104R possibly damaging Het
Ppp4r3a C T 12: 101,008,878 (GRCm39) R667Q probably damaging Het
Ptprj T C 2: 90,301,473 (GRCm39) T220A probably benign Het
St18 T A 1: 6,914,348 (GRCm39) C766* probably null Het
St8sia4 C T 1: 95,581,463 (GRCm39) R93H probably damaging Het
Tcim G C 8: 24,928,726 (GRCm39) R63G probably damaging Het
Xylb T C 9: 119,217,813 (GRCm39) S488P possibly damaging Het
Zhx3 T C 2: 160,623,948 (GRCm39) D73G probably damaging Het
Other mutations in Cnr1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00423:Cnr1 APN 4 33,944,116 (GRCm39) missense probably damaging 1.00
IGL01408:Cnr1 APN 4 33,944,802 (GRCm39) missense possibly damaging 0.88
IGL02551:Cnr1 APN 4 33,943,686 (GRCm39) missense probably benign
Attentive UTSW 4 33,944,038 (GRCm39) missense probably damaging 0.99
Madness UTSW 4 33,944,330 (GRCm39) nonsense probably null
sober UTSW 4 33,944,416 (GRCm39) missense probably damaging 1.00
R1730:Cnr1 UTSW 4 33,943,851 (GRCm39) missense possibly damaging 0.52
R1758:Cnr1 UTSW 4 33,945,000 (GRCm39) missense probably damaging 1.00
R4688:Cnr1 UTSW 4 33,944,571 (GRCm39) missense probably benign 0.38
R5289:Cnr1 UTSW 4 33,943,910 (GRCm39) nonsense probably null
R5707:Cnr1 UTSW 4 33,944,330 (GRCm39) nonsense probably null
R6042:Cnr1 UTSW 4 33,944,751 (GRCm39) missense probably damaging 1.00
R6630:Cnr1 UTSW 4 33,944,659 (GRCm39) missense probably damaging 1.00
R6724:Cnr1 UTSW 4 33,944,728 (GRCm39) missense possibly damaging 0.70
R6916:Cnr1 UTSW 4 33,943,897 (GRCm39) missense probably benign
R6987:Cnr1 UTSW 4 33,944,739 (GRCm39) missense probably benign 0.00
R7410:Cnr1 UTSW 4 33,944,119 (GRCm39) missense probably damaging 1.00
R7721:Cnr1 UTSW 4 33,944,416 (GRCm39) missense probably damaging 1.00
R7723:Cnr1 UTSW 4 33,944,416 (GRCm39) missense probably damaging 1.00
R7769:Cnr1 UTSW 4 33,944,892 (GRCm39) missense probably benign
R8062:Cnr1 UTSW 4 33,944,707 (GRCm39) missense possibly damaging 0.95
R8701:Cnr1 UTSW 4 33,944,739 (GRCm39) missense probably benign 0.00
R9362:Cnr1 UTSW 4 33,944,038 (GRCm39) missense probably damaging 0.99
R9365:Cnr1 UTSW 4 33,943,798 (GRCm39) missense probably benign 0.06
R9410:Cnr1 UTSW 4 33,944,973 (GRCm39) missense possibly damaging 0.75
R9590:Cnr1 UTSW 4 33,944,849 (GRCm39) missense probably benign
U24488:Cnr1 UTSW 4 33,944,927 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TAAGAGGATCGTCACCAGGC -3'
(R):5'- ACCATGATCGCAAGCAGAG -3'

Sequencing Primer
(F):5'- GCTTGATGTGGACTATTGCAATAG -3'
(R):5'- AGGGCCCCAGCAGATGATC -3'
Posted On 2014-10-30