Incidental Mutation 'R3896:Syna'
ID 310538
Institutional Source Beutler Lab
Gene Symbol Syna
Ensembl Gene ENSMUSG00000085957
Gene Name syncytin a
Synonyms syncytin-A, Gm52
MMRRC Submission 040807-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3896 (G1)
Quality Score 225
Status Validated
Chromosome 5
Chromosomal Location 134587000-134589025 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) T to A at 134587165 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Stop codon at position 595 (K595*)
Ref Sequence ENSEMBL: ENSMUSP00000116437 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000149604]
AlphaFold Q5G5D5
Predicted Effect probably null
Transcript: ENSMUST00000149604
AA Change: K595*
SMART Domains Protein: ENSMUSP00000116437
Gene: ENSMUSG00000085957
AA Change: K595*

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 0.9755 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 100% (48/48)
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: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930503B20Rik A T 3: 146,356,868 (GRCm39) N13K possibly damaging Het
Alas1 G T 9: 106,119,000 (GRCm39) probably null Het
Arhgap20 A T 9: 51,728,137 (GRCm39) I117F probably damaging Het
Asz1 A G 6: 18,075,766 (GRCm39) I269T probably benign Het
Atp8a2 C A 14: 60,263,589 (GRCm39) probably null Het
Atp8b2 A T 3: 89,864,626 (GRCm39) I163K probably damaging Het
Casd1 T A 6: 4,640,980 (GRCm39) F700L probably damaging Het
Ccdc80 A G 16: 44,916,984 (GRCm39) D580G probably benign Het
Cog7 C T 7: 121,540,392 (GRCm39) probably benign Het
Cyp2c66 T C 19: 39,130,722 (GRCm39) V112A possibly damaging Het
D130040H23Rik T A 8: 69,755,610 (GRCm39) C356S probably damaging Het
Emb A G 13: 117,409,598 (GRCm39) *331W probably null Het
Enpp3 A C 10: 24,653,847 (GRCm39) S703R possibly damaging Het
Fam13b T C 18: 34,596,008 (GRCm39) probably benign Het
Foxp1 T A 6: 99,052,897 (GRCm39) Q97L probably benign Het
Gdf10 A T 14: 33,656,438 (GRCm39) N467Y probably damaging Het
Gm29394 C T 15: 57,912,024 (GRCm39) probably benign Het
Gsn T C 2: 35,192,650 (GRCm39) S522P possibly damaging Het
Hydin T A 8: 111,235,711 (GRCm39) F1899I possibly damaging Het
Ints1 C A 5: 139,743,399 (GRCm39) E1658* probably null Het
Jakmip2 A T 18: 43,682,751 (GRCm39) F691Y probably benign Het
Klhl28 A G 12: 65,004,333 (GRCm39) F60S probably damaging Het
Loxhd1 C T 18: 77,469,719 (GRCm39) S992L possibly damaging Het
Lrp1b A T 2: 40,812,440 (GRCm39) probably null Het
Macf1 A T 4: 123,364,987 (GRCm39) I3258N possibly damaging Het
Map4k2 G T 19: 6,391,958 (GRCm39) E91* probably null Het
Matcap1 T A 8: 106,009,920 (GRCm39) H343L probably benign Het
Myo1b A T 1: 51,812,420 (GRCm39) V739E probably damaging Het
Naa35 C T 13: 59,755,109 (GRCm39) T185I probably damaging Het
Or10v9 T C 19: 11,832,951 (GRCm39) D122G probably damaging Het
Or4c15b A G 2: 89,113,441 (GRCm39) F33S possibly damaging Het
Reg4 A T 3: 98,132,082 (GRCm39) probably benign Het
Rnaseh2b A C 14: 62,597,906 (GRCm39) probably benign Het
Rnf123 G A 9: 107,946,302 (GRCm39) probably benign Het
Scn8a A T 15: 100,933,379 (GRCm39) M1528L probably benign Het
Sdr16c5 T A 4: 4,006,609 (GRCm39) T228S probably damaging Het
Sgo2a T C 1: 58,052,805 (GRCm39) C202R probably damaging Het
Slc25a46 A G 18: 31,716,725 (GRCm39) L259P probably damaging Het
Slc4a4 A G 5: 89,345,625 (GRCm39) probably benign Het
Sox14 G T 9: 99,757,636 (GRCm39) H34Q probably damaging Het
Taf4 A G 2: 179,573,807 (GRCm39) V687A probably benign Het
Tmbim7 C T 5: 3,711,916 (GRCm39) H54Y probably benign Het
Vmn1r212 T C 13: 23,068,067 (GRCm39) M89V probably benign Het
Vmn1r86 T C 7: 12,836,093 (GRCm39) Y261C probably benign Het
Xkr4 A G 1: 3,286,414 (GRCm39) I592T probably damaging Het
Ywhah A G 5: 33,184,349 (GRCm39) Y184C probably damaging Het
Zkscan16 C T 4: 58,946,125 (GRCm39) 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 1.00
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
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'- GGAAACTACCACCGTTTAAGC -3'
(R):5'- AAGCTCGAGTTCTTGGATCC -3'

Sequencing Primer
(F):5'- AAATGGATTAGTTCTTGCAAGTGGC -3'
(R):5'- CGAGTTCTTGGATCCAGTGGC -3'
Posted On 2015-04-17