Incidental Mutation 'R4028:Lefty1'
ID 313071
Institutional Source Beutler Lab
Gene Symbol Lefty1
Ensembl Gene ENSMUSG00000038793
Gene Name left right determination factor 1
Synonyms Ebaf, Lefty, Stra3, lefty-1
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4028 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 180762587-180765965 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 180765346 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 305 (S305P)
Ref Sequence ENSEMBL: ENSMUSP00000041427 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027800] [ENSMUST00000037361] [ENSMUST00000159436] [ENSMUST00000161847] [ENSMUST00000162283]
AlphaFold Q64280
Predicted Effect probably benign
Transcript: ENSMUST00000027800
SMART Domains Protein: ENSMUSP00000027800
Gene: ENSMUSG00000026519

DomainStartEndE-ValueType
Pfam:RSN1_TM 50 213 3.3e-24 PFAM
Pfam:PHM7_cyt 261 327 8.2e-12 PFAM
Pfam:RSN1_7TM 349 692 1.5e-87 PFAM
transmembrane domain 697 719 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000037361
AA Change: S305P

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000041427
Gene: ENSMUSG00000038793
AA Change: S305P

DomainStartEndE-ValueType
low complexity region 4 18 N/A INTRINSIC
Pfam:TGFb_propeptide 19 237 1.6e-13 PFAM
TGFB 265 356 5.78e-7 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000132087
Predicted Effect probably benign
Transcript: ENSMUST00000159436
SMART Domains Protein: ENSMUSP00000125192
Gene: ENSMUSG00000026519

DomainStartEndE-ValueType
Pfam:RSN1_TM 50 173 2.5e-17 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000161847
SMART Domains Protein: ENSMUSP00000124937
Gene: ENSMUSG00000026519

DomainStartEndE-ValueType
transmembrane domain 49 71 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000162283
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 93.2%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate the mature protein, which plays a role in left-right asymmetry determination of organ systems during development. Mice lacking a functional copy of this gene exhibit embryonic lethality and defects in left-right patterning. [provided by RefSeq, Aug 2016]
PHENOTYPE: Mice homozygous for a null allele show embryonic and postnatal lethality, abnormal liver lobation, and a variety of left-right positional defects in visceral organs including left thoracic and atrial isomerism. A subset of mice homozygous for a differentnull allele show left pulmonary isomerism. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam12 A T 7: 133,531,725 (GRCm39) N503K probably damaging Het
Anapc2 T A 2: 25,167,750 (GRCm39) I439N probably damaging Het
Ank A G 15: 27,544,343 (GRCm39) N35D probably damaging Het
Birc2 T C 9: 7,819,352 (GRCm39) N520S probably benign Het
C030005K15Rik T C 10: 97,561,404 (GRCm39) Y109C unknown Het
Chrna5 T C 9: 54,905,370 (GRCm39) W61R probably damaging Het
Clec1b G A 6: 129,378,774 (GRCm39) R87H probably benign Het
Cox7a2l A G 17: 83,810,069 (GRCm39) I123T probably benign Het
Cyp2j5 A T 4: 96,529,653 (GRCm39) Y239* probably null Het
Dnajc6 G A 4: 101,474,054 (GRCm39) C485Y probably damaging Het
Dync1i1 C T 6: 5,961,842 (GRCm39) S341F probably damaging Het
Fbln1 A G 15: 85,111,317 (GRCm39) N157S probably benign Het
Get1 T C 16: 95,946,784 (GRCm39) probably null Het
Gpatch2 A G 1: 186,958,337 (GRCm39) S231G possibly damaging Het
Grin2b T C 6: 135,713,433 (GRCm39) D816G probably damaging Het
Kndc1 T A 7: 139,509,941 (GRCm39) F1261Y probably damaging Het
Ltbp3 G A 19: 5,804,050 (GRCm39) R854Q probably benign Het
Mrc1 T C 2: 14,243,059 (GRCm39) S62P probably damaging Het
Ntrk3 T C 7: 77,842,458 (GRCm39) E790G probably damaging Het
Obscn T C 11: 59,022,472 (GRCm39) R758G possibly damaging Het
Oog4 A T 4: 143,166,770 (GRCm39) N11K probably benign Het
Or4c3 T C 2: 89,851,567 (GRCm39) N281S probably damaging Het
Or52k2 A T 7: 102,254,500 (GRCm39) D313V possibly damaging Het
Pibf1 A G 14: 99,416,777 (GRCm39) E450G probably damaging Het
Pkd1l3 T A 8: 110,350,603 (GRCm39) S483T possibly damaging Het
Pkdrej A T 15: 85,701,693 (GRCm39) N1414K probably benign Het
Pld2 A G 11: 70,445,731 (GRCm39) N655S probably damaging Het
Pramel28 T A 4: 143,692,354 (GRCm39) T216S probably benign Het
Rcn1 G T 2: 105,229,395 (GRCm39) Y52* probably null Het
Reck T C 4: 43,922,931 (GRCm39) I402T probably damaging Het
Shisal2a G T 4: 108,240,412 (GRCm39) C43* probably null Het
Slc28a3 T C 13: 58,758,570 (GRCm39) S18G probably benign Het
Slc7a1 C A 5: 148,282,622 (GRCm39) C75F probably benign Het
Snrnp200 A G 2: 127,079,486 (GRCm39) D1865G probably damaging Het
Tnrc6a T A 7: 122,769,344 (GRCm39) I378N probably damaging Het
Trim3 A G 7: 105,267,452 (GRCm39) V309A probably benign Het
Tshz1 T C 18: 84,032,954 (GRCm39) K485E possibly damaging Het
Zdhhc11 T C 13: 74,125,390 (GRCm39) L210P probably damaging Het
Other mutations in Lefty1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02445:Lefty1 APN 1 180,765,242 (GRCm39) missense probably benign 0.01
IGL02974:Lefty1 APN 1 180,762,842 (GRCm39) missense probably benign 0.21
R0230:Lefty1 UTSW 1 180,764,579 (GRCm39) missense probably damaging 1.00
R0383:Lefty1 UTSW 1 180,765,199 (GRCm39) nonsense probably null
R1976:Lefty1 UTSW 1 180,765,389 (GRCm39) missense probably benign 0.01
R2351:Lefty1 UTSW 1 180,764,807 (GRCm39) missense possibly damaging 0.80
R4027:Lefty1 UTSW 1 180,765,346 (GRCm39) missense probably benign 0.00
R4029:Lefty1 UTSW 1 180,765,346 (GRCm39) missense probably benign 0.00
R4030:Lefty1 UTSW 1 180,765,346 (GRCm39) missense probably benign 0.00
R4719:Lefty1 UTSW 1 180,765,277 (GRCm39) missense probably benign 0.01
R4761:Lefty1 UTSW 1 180,765,190 (GRCm39) missense probably benign 0.40
R5476:Lefty1 UTSW 1 180,765,263 (GRCm39) missense probably benign 0.06
R6151:Lefty1 UTSW 1 180,762,681 (GRCm39) missense unknown
R6175:Lefty1 UTSW 1 180,762,714 (GRCm39) missense unknown
R6362:Lefty1 UTSW 1 180,764,725 (GRCm39) missense probably benign 0.39
R7153:Lefty1 UTSW 1 180,765,332 (GRCm39) missense probably benign 0.01
R7678:Lefty1 UTSW 1 180,764,325 (GRCm39) missense probably damaging 0.99
R7765:Lefty1 UTSW 1 180,764,112 (GRCm39) missense probably damaging 1.00
R7974:Lefty1 UTSW 1 180,765,385 (GRCm39) missense probably damaging 1.00
R8787:Lefty1 UTSW 1 180,764,118 (GRCm39) missense probably damaging 0.98
R8923:Lefty1 UTSW 1 180,765,318 (GRCm39) nonsense probably null
R8929:Lefty1 UTSW 1 180,765,290 (GRCm39) missense probably damaging 1.00
R9011:Lefty1 UTSW 1 180,765,241 (GRCm39) missense probably benign 0.25
R9452:Lefty1 UTSW 1 180,762,849 (GRCm39) missense probably benign 0.00
Predicted Primers PCR Primer
(F):5'- TCAAGGCAATTGTGACCCCG -3'
(R):5'- CAGATTTGCATGAAAGGCACATCC -3'

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