Incidental Mutation 'R5404:Or4p20'
ID 428614
Institutional Source Beutler Lab
Gene Symbol Or4p20
Ensembl Gene ENSMUSG00000075125
Gene Name olfactory receptor family 4 subfamily P member 20
Synonyms Olfr1181, GA_x6K02T2Q125-49911636-49910701, MOR225-9P
MMRRC Submission 042975-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.052) question?
Stock # R5404 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 88253432-88254367 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 88254145 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Methionine at position 75 (V75M)
Ref Sequence ENSEMBL: ENSMUSP00000150939 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099823] [ENSMUST00000102619] [ENSMUST00000213190] [ENSMUST00000216121] [ENSMUST00000217320]
AlphaFold Q7TR18
Predicted Effect probably damaging
Transcript: ENSMUST00000099823
AA Change: V75M

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000097411
Gene: ENSMUSG00000075125
AA Change: V75M

DomainStartEndE-ValueType
Pfam:7tm_4 28 303 1.5e-48 PFAM
Pfam:7tm_1 39 285 6.9e-16 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000102619
AA Change: V75M

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000099679
Gene: ENSMUSG00000075125
AA Change: V75M

DomainStartEndE-ValueType
low complexity region 24 34 N/A INTRINSIC
Pfam:7tm_1 39 285 7.2e-26 PFAM
Pfam:7tm_4 137 278 3.5e-39 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000213190
AA Change: V75M

PolyPhen 2 Score 0.978 (Sensitivity: 0.76; Specificity: 0.96)
Predicted Effect probably benign
Transcript: ENSMUST00000216121
Predicted Effect probably benign
Transcript: ENSMUST00000217320
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.0%
Validation Efficiency
MGI Phenotype FUNCTION: Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A1bg T C 15: 60,791,545 (GRCm39) H297R probably benign Het
Ccnk A T 12: 108,161,882 (GRCm39) K262N possibly damaging Het
Clec4b2 A T 6: 123,158,308 (GRCm39) Y58F probably benign Het
Cp A C 3: 20,043,292 (GRCm39) T1027P possibly damaging Het
Cpox G A 16: 58,495,649 (GRCm39) G322D probably damaging Het
Cry1 T C 10: 85,020,283 (GRCm39) N18S probably damaging Het
Dnah8 G A 17: 30,967,542 (GRCm39) D2585N probably benign Het
Dock10 A G 1: 80,481,630 (GRCm39) probably benign Het
Fance A T 17: 28,537,034 (GRCm39) R58W probably null Het
Fermt1 T C 2: 132,776,789 (GRCm39) D233G possibly damaging Het
Gabpa T A 16: 84,657,351 (GRCm39) Y409N probably damaging Het
Gpr162 A G 6: 124,838,606 (GRCm39) S15P possibly damaging Het
Grid2 T A 6: 63,907,894 (GRCm39) I178N probably damaging Het
Il17re T C 6: 113,446,063 (GRCm39) V233A probably benign Het
Lemd3 G A 10: 120,767,863 (GRCm39) Q672* probably null Het
Myh15 A G 16: 48,980,341 (GRCm39) T1488A probably benign Het
Narf T A 11: 121,133,452 (GRCm39) H84Q probably benign Het
Nedd1 C T 10: 92,552,054 (GRCm39) V69I probably benign Het
Nfil3 G A 13: 53,122,091 (GRCm39) S271F probably damaging Het
Npc1 A G 18: 12,346,356 (GRCm39) L280P possibly damaging Het
Or2n1e T A 17: 38,586,517 (GRCm39) L285* probably null Het
Or51a25 T A 7: 102,372,807 (GRCm39) I297F possibly damaging Het
Poli A G 18: 70,642,503 (GRCm39) S503P probably benign Het
Rbm5 T C 9: 107,642,752 (GRCm39) E94G probably damaging Het
Robo4 CGG CG 9: 37,322,786 (GRCm39) probably null Het
Rps6ka5 T C 12: 100,582,352 (GRCm39) I173M probably damaging Het
Slc40a1 A G 1: 45,951,488 (GRCm39) L223P probably damaging Het
Smg1 T C 7: 117,806,131 (GRCm39) K213E probably damaging Het
Spem1 T A 11: 69,711,763 (GRCm39) K300N probably damaging Het
Tchh A G 3: 93,354,982 (GRCm39) E1474G unknown Het
Tenm4 A T 7: 96,543,887 (GRCm39) R1968W probably damaging Het
Tshz2 A T 2: 169,726,240 (GRCm39) M279L probably benign Het
Tuba3a G T 6: 125,258,555 (GRCm39) T145K possibly damaging Het
Other mutations in Or4p20
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00324:Or4p20 APN 2 88,254,130 (GRCm39) missense probably benign 0.30
IGL02224:Or4p20 APN 2 88,254,052 (GRCm39) splice site probably null
IGL03293:Or4p20 APN 2 88,253,571 (GRCm39) missense probably damaging 1.00
IGL02802:Or4p20 UTSW 2 88,253,832 (GRCm39) missense probably benign 0.23
R2214:Or4p20 UTSW 2 88,253,461 (GRCm39) missense probably benign 0.00
R2508:Or4p20 UTSW 2 88,253,800 (GRCm39) missense possibly damaging 0.95
R4050:Or4p20 UTSW 2 88,253,967 (GRCm39) missense probably damaging 0.99
R5727:Or4p20 UTSW 2 88,253,791 (GRCm39) missense probably benign 0.00
R6578:Or4p20 UTSW 2 88,253,488 (GRCm39) missense probably benign 0.12
R6663:Or4p20 UTSW 2 88,253,694 (GRCm39) missense probably benign 0.25
R6974:Or4p20 UTSW 2 88,254,156 (GRCm39) missense possibly damaging 0.93
R7042:Or4p20 UTSW 2 88,253,746 (GRCm39) missense possibly damaging 0.89
R7659:Or4p20 UTSW 2 88,254,270 (GRCm39) missense probably damaging 1.00
R8443:Or4p20 UTSW 2 88,253,745 (GRCm39) missense probably benign
R8470:Or4p20 UTSW 2 88,254,228 (GRCm39) missense probably damaging 1.00
R9479:Or4p20 UTSW 2 88,253,677 (GRCm39) missense probably damaging 0.99
R9546:Or4p20 UTSW 2 88,254,049 (GRCm39) missense probably benign
R9706:Or4p20 UTSW 2 88,253,779 (GRCm39) missense probably benign
R9735:Or4p20 UTSW 2 88,253,501 (GRCm39) missense probably damaging 1.00
X0018:Or4p20 UTSW 2 88,254,006 (GRCm39) missense probably benign
Z1177:Or4p20 UTSW 2 88,254,159 (GRCm39) missense probably benign 0.08
Predicted Primers PCR Primer
(F):5'- TAGCATCATAACCTGGGGAAAG -3'
(R):5'- TGGGGCTATCTTCCAAGCAG -3'

Sequencing Primer
(F):5'- AAACATGGCATCTGTTTCTGC -3'
(R):5'- CCAAGCAGAACACTGAAGTATTTTGC -3'
Posted On 2016-09-06