Incidental Mutation 'R6578:Or4p20'
ID 523839
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 044702-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.052) question?
Stock # R6578 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 88253432-88254367 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 88253488 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Glycine at position 294 (S294G)
Ref Sequence ENSEMBL: ENSMUSP00000150939 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099823] [ENSMUST00000102619] [ENSMUST00000213190] [ENSMUST00000216121] [ENSMUST00000217320]
AlphaFold Q7TR18
Predicted Effect probably benign
Transcript: ENSMUST00000099823
AA Change: S294G

PolyPhen 2 Score 0.120 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000097411
Gene: ENSMUSG00000075125
AA Change: S294G

DomainStartEndE-ValueType
Pfam:7tm_4 28 303 1.5e-48 PFAM
Pfam:7tm_1 39 285 6.9e-16 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000102619
AA Change: S294G

PolyPhen 2 Score 0.120 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000099679
Gene: ENSMUSG00000075125
AA Change: S294G

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 benign
Transcript: ENSMUST00000213190
AA Change: S294G

PolyPhen 2 Score 0.120 (Sensitivity: 0.93; Specificity: 0.86)
Predicted Effect probably benign
Transcript: ENSMUST00000216121
Predicted Effect probably benign
Transcript: ENSMUST00000217320
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.4%
  • 10x: 96.8%
  • 20x: 89.4%
Validation Efficiency 97% (37/38)
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700034J05Rik G A 6: 146,854,812 (GRCm39) R77* probably null Het
Aldh9a1 A G 1: 167,183,328 (GRCm39) Y182C probably damaging Het
Alpk3 T A 7: 80,728,432 (GRCm39) S521T probably benign Het
Ankzf1 A G 1: 75,174,401 (GRCm39) R464G possibly damaging Het
Baz2b T C 2: 59,799,623 (GRCm39) E232G possibly damaging Het
Bbs2 T C 8: 94,803,669 (GRCm39) S524G probably null Het
Casp1 A G 9: 5,304,280 (GRCm39) K318R probably benign Het
Clock T A 5: 76,364,556 (GRCm39) Q853L unknown Het
Clstn3 A G 6: 124,427,663 (GRCm39) probably null Het
Ebpl A C 14: 61,597,769 (GRCm39) V24G probably benign Het
Erbb2 T C 11: 98,319,014 (GRCm39) C568R probably damaging Het
Gcm2 A G 13: 41,259,154 (GRCm39) I105T probably damaging Het
Gm7145 C T 1: 117,913,525 (GRCm39) P136S probably damaging Het
Helb G T 10: 119,947,086 (GRCm39) R76S probably damaging Het
Hipk4 T C 7: 27,227,812 (GRCm39) I186T probably damaging Het
Igdcc3 A G 9: 65,089,301 (GRCm39) D499G probably damaging Het
Krt26 T A 11: 99,225,628 (GRCm39) Q284H probably damaging Het
Lama4 T C 10: 38,893,361 (GRCm39) I156T probably benign Het
Mical2 T A 7: 111,910,652 (GRCm39) F274Y probably damaging Het
Mug1 A T 6: 121,864,411 (GRCm39) Q1436L probably benign Het
Nin A G 12: 70,107,968 (GRCm39) V208A probably damaging Het
Pappa T A 4: 65,074,374 (GRCm39) N309K possibly damaging Het
Pdcd11 T C 19: 47,099,520 (GRCm39) V873A probably benign Het
Phf14 G A 6: 11,991,996 (GRCm39) C724Y probably damaging Het
Pik3r2 T G 8: 71,225,283 (GRCm39) I127L probably benign Het
Polr1a T A 6: 71,953,025 (GRCm39) M1531K possibly damaging Het
Pwwp2b T C 7: 138,836,028 (GRCm39) C490R probably damaging Het
Rax T C 18: 66,071,738 (GRCm39) T50A probably benign Het
Rbm28 A T 6: 29,137,639 (GRCm39) I438N probably damaging Het
Sema4c C T 1: 36,589,834 (GRCm39) V507I probably benign Het
Skint8 C T 4: 111,794,159 (GRCm39) T183I probably benign Het
Spata16 C T 3: 26,721,697 (GRCm39) Q73* probably null Het
Sync T C 4: 129,188,060 (GRCm39) L364P probably damaging Het
Syne1 T A 10: 5,355,454 (GRCm39) K376* probably null Het
Tanc1 C T 2: 59,626,298 (GRCm39) R552C probably damaging Het
Tdrd6 T C 17: 43,939,852 (GRCm39) I399V possibly damaging Het
Vps13b T C 15: 35,446,247 (GRCm39) C455R probably 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
R5404:Or4p20 UTSW 2 88,254,145 (GRCm39) missense probably damaging 0.98
R5727:Or4p20 UTSW 2 88,253,791 (GRCm39) missense probably benign 0.00
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'- GAGGGTTATTTACAAATCTGCTCAC -3'
(R):5'- CCTGTGGGTCCCATATATCTGTG -3'

Sequencing Primer
(F):5'- TCTGCTCACAATACAAAGTTCATTAC -3'
(R):5'- TCTGTGGTTATTTTATTCTTTGGACC -3'
Posted On 2018-06-22