Incidental Mutation 'R4033:Smo'
ID 313580
Institutional Source Beutler Lab
Gene Symbol Smo
Ensembl Gene ENSMUSG00000001761
Gene Name smoothened, frizzled class receptor
Synonyms E130215L21Rik
MMRRC Submission 040961-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4033 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 29735502-29761364 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 29759917 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 672 (R672H)
Ref Sequence ENSEMBL: ENSMUSP00000001812 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000001812]
AlphaFold P56726
Predicted Effect probably damaging
Transcript: ENSMUST00000001812
AA Change: R672H

PolyPhen 2 Score 0.982 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000001812
Gene: ENSMUSG00000001761
AA Change: R672H

DomainStartEndE-ValueType
signal peptide 1 32 N/A INTRINSIC
low complexity region 55 66 N/A INTRINSIC
FRI 73 187 5.48e-49 SMART
Frizzled 224 559 2.82e-148 SMART
low complexity region 641 652 N/A INTRINSIC
low complexity region 671 684 N/A INTRINSIC
Meta Mutation Damage Score 0.1364 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.2%
Validation Efficiency 100% (47/47)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a G protein-coupled receptor that interacts with the patched protein, a receptor for hedgehog proteins. The encoded protein tranduces signals to other proteins after activation by a hedgehog protein/patched protein complex. [provided by RefSeq, Jul 2010]
PHENOTYPE: Both an ENU-induced mutation and a null mutation are midgestation lethal. Observed defects include failure of neural tube closure and heart and gut defects. Conditional knockouts in chondrocytes and dental epithelium result in short long bones and dentalepithelium derivative defects, respectively. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam34l C G 8: 44,079,710 (GRCm39) M171I probably benign Het
Als2 G T 1: 59,235,400 (GRCm39) S761R probably benign Het
Ankrd63 C A 2: 118,533,412 (GRCm39) probably benign Het
Brf1 G A 12: 112,943,352 (GRCm39) T166M probably damaging Het
Car9 T C 4: 43,508,624 (GRCm39) V131A possibly damaging Het
Cerk T G 15: 86,039,228 (GRCm39) H221P possibly damaging Het
Cfap69 A T 5: 5,654,389 (GRCm39) I458N possibly damaging Het
Chil4 T C 3: 106,121,765 (GRCm39) Y28C probably damaging Het
Cracd A G 5: 77,006,312 (GRCm39) N891S unknown Het
Dmxl1 A G 18: 49,984,498 (GRCm39) T165A possibly damaging Het
Erich6b A T 14: 75,896,207 (GRCm39) N31I probably benign Het
Fgf17 G T 14: 70,878,966 (GRCm39) probably benign Het
Fhit A T 14: 10,751,671 (GRCm38) probably benign Het
Fnip1 A T 11: 54,393,297 (GRCm39) I578L probably benign Het
Gm17641 C T 3: 68,777,146 (GRCm39) R36W probably damaging Het
Gprin2 A T 14: 33,916,635 (GRCm39) D378E probably benign Het
Grhl3 T A 4: 135,300,735 (GRCm39) M1L probably benign Het
Hsp90aa1 T A 12: 110,662,114 (GRCm39) M1L possibly damaging Het
Hsp90aa1 C A 12: 110,662,115 (GRCm39) probably null Het
Ifih1 G A 2: 62,465,534 (GRCm39) S212L probably benign Het
Iqck T C 7: 118,540,827 (GRCm39) I242T probably damaging Het
Kalrn C T 16: 33,810,180 (GRCm39) D2525N possibly damaging Het
Lsm14b A G 2: 179,673,309 (GRCm39) K195E probably benign Het
Mical1 G A 10: 41,357,172 (GRCm39) V326I probably benign Het
Mtnr1b A T 9: 15,774,830 (GRCm39) N76K probably damaging Het
Nalcn T C 14: 123,837,401 (GRCm39) probably benign Het
Nop14 T C 5: 34,807,861 (GRCm39) D367G probably benign Het
Nrxn3 T C 12: 89,499,771 (GRCm39) C721R probably damaging Het
Or51e1 C T 7: 102,358,697 (GRCm39) T77I probably damaging Het
Prr27 G T 5: 87,991,164 (GRCm39) E259* probably null Het
Psmg3 G A 5: 139,812,086 (GRCm39) P5S probably damaging Het
Pxdn A G 12: 30,053,224 (GRCm39) T1134A probably benign Het
Rbm28 T C 6: 29,159,668 (GRCm39) N120S probably damaging Het
Reg3b A T 6: 78,350,192 (GRCm39) K157N possibly damaging Het
Rlf T G 4: 121,004,540 (GRCm39) Q1480P probably damaging Het
Slc16a12 A T 19: 34,652,567 (GRCm39) L193Q probably damaging Het
Smyd4 A G 11: 75,240,580 (GRCm39) D25G probably benign Het
Sorbs2 C G 8: 46,228,632 (GRCm39) D264E probably damaging Het
Tctn3 G T 19: 40,585,767 (GRCm39) Q593K probably benign Het
Tdrd9 A T 12: 111,958,973 (GRCm39) I136L possibly damaging Het
Tshz3 G A 7: 36,470,009 (GRCm39) S666N possibly damaging Het
Ubn1 C T 16: 4,882,475 (GRCm39) T69M probably damaging Het
Unk A T 11: 115,944,353 (GRCm39) H368L probably benign Het
Zan A T 5: 137,436,122 (GRCm39) L2051* probably null Het
Other mutations in Smo
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00772:Smo APN 6 29,758,893 (GRCm39) nonsense probably null
IGL01969:Smo APN 6 29,755,171 (GRCm39) critical splice acceptor site probably null
IGL02078:Smo APN 6 29,754,707 (GRCm39) missense possibly damaging 0.46
IGL02248:Smo APN 6 29,757,291 (GRCm39) missense possibly damaging 0.69
IGL02496:Smo APN 6 29,758,480 (GRCm39) missense probably damaging 0.99
IGL03159:Smo APN 6 29,758,504 (GRCm39) missense probably benign 0.00
knobby UTSW 6 29,736,173 (GRCm39) missense probably benign
R0548:Smo UTSW 6 29,759,585 (GRCm39) missense possibly damaging 0.45
R0606:Smo UTSW 6 29,753,603 (GRCm39) missense possibly damaging 0.69
R1164:Smo UTSW 6 29,754,718 (GRCm39) missense probably benign 0.18
R1438:Smo UTSW 6 29,755,482 (GRCm39) missense possibly damaging 0.89
R1900:Smo UTSW 6 29,736,055 (GRCm39) missense unknown
R2022:Smo UTSW 6 29,754,715 (GRCm39) missense possibly damaging 0.87
R2023:Smo UTSW 6 29,754,715 (GRCm39) missense possibly damaging 0.87
R2129:Smo UTSW 6 29,757,313 (GRCm39) missense probably damaging 1.00
R4795:Smo UTSW 6 29,755,573 (GRCm39) missense probably damaging 0.99
R4878:Smo UTSW 6 29,753,570 (GRCm39) missense probably benign 0.02
R4920:Smo UTSW 6 29,759,593 (GRCm39) missense probably damaging 1.00
R5165:Smo UTSW 6 29,736,077 (GRCm39) missense unknown
R5350:Smo UTSW 6 29,754,466 (GRCm39) missense probably benign 0.02
R5554:Smo UTSW 6 29,736,123 (GRCm39) missense possibly damaging 0.72
R6409:Smo UTSW 6 29,736,113 (GRCm39) missense unknown
R6440:Smo UTSW 6 29,756,813 (GRCm39) missense possibly damaging 0.93
R6707:Smo UTSW 6 29,736,173 (GRCm39) missense probably benign
R6766:Smo UTSW 6 29,736,044 (GRCm39) missense unknown
R7061:Smo UTSW 6 29,760,229 (GRCm39) missense probably damaging 1.00
R7147:Smo UTSW 6 29,758,448 (GRCm39) missense possibly damaging 0.91
R7491:Smo UTSW 6 29,736,119 (GRCm39) missense probably damaging 0.96
R7500:Smo UTSW 6 29,755,534 (GRCm39) missense probably benign 0.09
R7735:Smo UTSW 6 29,759,851 (GRCm39) missense probably damaging 1.00
R8109:Smo UTSW 6 29,755,522 (GRCm39) missense probably damaging 1.00
R8511:Smo UTSW 6 29,755,531 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTGAAGGAGATGCCAAGGCTTG -3'
(R):5'- TTGGAGACTAGAGTCCAGGCTC -3'

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