Incidental Mutation 'R0051:Syna'
ID 64285
Institutional Source Beutler Lab
Gene Symbol Syna
Ensembl Gene ENSMUSG00000085957
Gene Name syncytin a
Synonyms syncytin-A, Gm52
MMRRC Submission 038345-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0051 (G1)
Quality Score 117
Status Validated
Chromosome 5
Chromosomal Location 134587000-134589025 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 134588397 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Histidine at position 184 (L184H)
Ref Sequence ENSEMBL: ENSMUSP00000116437 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000149604]
AlphaFold Q5G5D5
Predicted Effect probably damaging
Transcript: ENSMUST00000149604
AA Change: L184H

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000116437
Gene: ENSMUSG00000085957
AA Change: L184H

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:TLV_coat 333 578 1.9e-59 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000200729
Predicted Effect noncoding transcript
Transcript: ENSMUST00000202523
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.1%
  • 20x: 93.8%
Validation Efficiency 100% (64/64)
MGI Phenotype FUNCTION: Many different endogenous retrovirus families are expressed in normal placental tissue at high levels, suggesting that endogenous retroviruses are functionally important in reproduction. This gene is part of a mouse endogenous retrovirus provirus on chromosome 5 that has inactivating mutations in the gag and pol genes. This gene is the envelope glycoprotein gene which appears to have been selectively preserved. The gene's protein product plays a major role in placental development and trophoblast fusion. The protein has the characteristics of a typical retroviral envelope protein, including a cleavage site that separates the surface (SU) and transmembrane (TM) proteins which form a heterodimer. [provided by RefSeq, Apr 2015]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit lethality between E11.5 and E14.5 associated with defective placental layrinth formation, impaired placental transport, and increased trophoblast cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930432E11Rik A G 7: 29,278,526 (GRCm39) noncoding transcript Het
Abr T A 11: 76,363,328 (GRCm39) Q163L probably benign Het
Ankrd11 C A 8: 123,616,481 (GRCm39) C2457F probably damaging Het
Anks3 G C 16: 4,765,613 (GRCm39) T163S probably benign Het
Cacna1d G A 14: 29,833,052 (GRCm39) P908S probably damaging Het
Ccdc146 C A 5: 21,521,902 (GRCm39) R374L possibly damaging Het
Cdc45 G T 16: 18,613,524 (GRCm39) A348E probably damaging Het
Cfap46 A G 7: 139,255,951 (GRCm39) C300R probably damaging Het
Cimap1a C A 7: 140,430,134 (GRCm39) probably benign Het
Coq2 T C 5: 100,811,551 (GRCm39) N146S probably benign Het
Dalrd3 T C 9: 108,449,414 (GRCm39) V120A possibly damaging Het
Dcp2 T A 18: 44,538,441 (GRCm39) probably benign Het
Ddx39a A G 8: 84,447,251 (GRCm39) K137R possibly damaging Het
Diaph3 A G 14: 87,274,890 (GRCm39) probably null Het
Dmbt1 G T 7: 130,721,225 (GRCm39) R1668L possibly damaging Het
Dnah7a T G 1: 53,560,245 (GRCm39) probably benign Het
Dpp7 A G 2: 25,246,107 (GRCm39) Y49H possibly damaging Het
Drd5 A G 5: 38,477,957 (GRCm39) S317G probably benign Het
Ecpas A G 4: 58,832,729 (GRCm39) L877S probably damaging Het
Ecsit C T 9: 21,987,584 (GRCm39) V152I probably benign Het
Eeig1 G A 2: 32,448,065 (GRCm39) R58Q possibly damaging Het
Emc1 T A 4: 139,102,474 (GRCm39) M923K possibly damaging Het
Fcrl6 A T 1: 172,426,320 (GRCm39) L159Q probably benign Het
Frrs1 T C 3: 116,678,946 (GRCm39) probably benign Het
Hspd1 A G 1: 55,121,205 (GRCm39) probably benign Het
Impg2 T A 16: 56,078,411 (GRCm39) S458T probably damaging Het
Klf17 T C 4: 117,617,589 (GRCm39) Y256C probably damaging Het
Lnx2 A G 5: 146,966,163 (GRCm39) F319L probably damaging Het
Mafg G T 11: 120,520,430 (GRCm39) R57S probably damaging Het
Med13l T A 5: 118,880,720 (GRCm39) W1271R probably damaging Het
Mrgprb1 A G 7: 48,096,962 (GRCm39) S24P probably benign Het
Mtrf1l T C 10: 5,763,384 (GRCm39) E315G probably damaging Het
Naip1 T C 13: 100,547,509 (GRCm39) E1239G probably damaging Het
Ncaph2 T C 15: 89,253,867 (GRCm39) S320P probably damaging Het
Nek11 A G 9: 105,095,738 (GRCm39) probably benign Het
Nlrp2 A T 7: 5,325,333 (GRCm39) probably benign Het
Rbm26 A C 14: 105,389,976 (GRCm39) V216G possibly damaging Het
Rnf115 A G 3: 96,692,338 (GRCm39) D178G probably damaging Het
Rtel1 C T 2: 180,992,449 (GRCm39) Q424* probably null Het
Rwdd4a A G 8: 47,990,400 (GRCm39) probably benign Het
Ryr3 T C 2: 112,699,420 (GRCm39) D890G probably damaging Het
Scarb1 C A 5: 125,358,164 (GRCm39) probably null Het
Serpina10 A G 12: 103,593,156 (GRCm39) probably benign Het
Slc12a5 T A 2: 164,828,583 (GRCm39) W508R probably damaging Het
Slc43a2 T C 11: 75,453,676 (GRCm39) C225R probably damaging Het
Slc6a9 T C 4: 117,722,056 (GRCm39) F440L probably damaging Het
Stac3 G A 10: 127,344,017 (GRCm39) R305H probably damaging Het
Stk32b A G 5: 37,616,940 (GRCm39) probably benign Het
Tmprss7 T C 16: 45,494,302 (GRCm39) N401S probably damaging Het
Tut4 T G 4: 108,384,201 (GRCm39) S1089R probably damaging Het
Yeats2 T A 16: 20,012,474 (GRCm39) Y557* probably null Het
Zfp352 T C 4: 90,112,522 (GRCm39) S221P probably damaging Het
Zfp575 A G 7: 24,285,512 (GRCm39) V43A probably benign Het
Zfp775 A G 6: 48,597,706 (GRCm39) T527A probably benign Het
Other mutations in Syna
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00229:Syna APN 5 134,588,571 (GRCm39) missense possibly damaging 0.94
IGL01128:Syna APN 5 134,588,334 (GRCm39) missense probably damaging 0.99
IGL03183:Syna APN 5 134,587,144 (GRCm39) missense probably benign 0.03
R0051:Syna UTSW 5 134,588,397 (GRCm39) missense probably damaging 0.99
R0137:Syna UTSW 5 134,588,314 (GRCm39) missense possibly damaging 0.93
R0920:Syna UTSW 5 134,587,956 (GRCm39) missense probably benign 0.12
R1525:Syna UTSW 5 134,588,112 (GRCm39) missense probably benign
R1801:Syna UTSW 5 134,588,943 (GRCm39) missense probably benign 0.02
R1813:Syna UTSW 5 134,588,006 (GRCm39) missense probably benign 0.06
R1866:Syna UTSW 5 134,588,769 (GRCm39) missense probably damaging 1.00
R1887:Syna UTSW 5 134,588,106 (GRCm39) missense probably benign
R1896:Syna UTSW 5 134,588,006 (GRCm39) missense probably benign 0.06
R2139:Syna UTSW 5 134,588,106 (GRCm39) nonsense probably null
R3896:Syna UTSW 5 134,587,165 (GRCm39) nonsense probably null
R4674:Syna UTSW 5 134,587,209 (GRCm39) missense probably damaging 0.99
R4730:Syna UTSW 5 134,587,440 (GRCm39) missense probably damaging 1.00
R5124:Syna UTSW 5 134,588,424 (GRCm39) missense possibly damaging 0.65
R5482:Syna UTSW 5 134,588,028 (GRCm39) missense possibly damaging 0.94
R6130:Syna UTSW 5 134,587,122 (GRCm39) missense possibly damaging 0.72
R6196:Syna UTSW 5 134,588,466 (GRCm39) missense probably benign 0.14
R6243:Syna UTSW 5 134,588,968 (GRCm39) start gained probably benign
R6945:Syna UTSW 5 134,587,815 (GRCm39) missense probably damaging 0.97
R7999:Syna UTSW 5 134,588,046 (GRCm39) missense probably benign
R8320:Syna UTSW 5 134,588,574 (GRCm39) missense possibly damaging 0.86
R8783:Syna UTSW 5 134,588,723 (GRCm39) missense probably benign 0.01
R8784:Syna UTSW 5 134,588,723 (GRCm39) missense probably benign 0.01
R8785:Syna UTSW 5 134,588,723 (GRCm39) missense probably benign 0.01
R8786:Syna UTSW 5 134,588,723 (GRCm39) missense probably benign 0.01
R8787:Syna UTSW 5 134,588,723 (GRCm39) missense probably benign 0.01
X0022:Syna UTSW 5 134,588,427 (GRCm39) missense probably benign 0.01
Z1088:Syna UTSW 5 134,587,383 (GRCm39) missense probably benign 0.01
Predicted Primers PCR Primer
(F):5'- GCTCGAATTGTCCGGCTCGAATAG -3'
(R):5'- GCGTGACAGGCATACTTCCCATAC -3'

Sequencing Primer
(F):5'- ATGTCATCTATCGGGCAGGAG -3'
(R):5'- ATACTTTCTCGGATCACCTCGG -3'
Posted On 2013-08-06