Incidental Mutation 'R7034:Ssr1'
ID 546559
Institutional Source Beutler Lab
Gene Symbol Ssr1
Ensembl Gene ENSMUSG00000021427
Gene Name signal sequence receptor, alpha
Synonyms SSR, TRAPalpha
MMRRC Submission 045135-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7034 (G1)
Quality Score 225.009
Status Not validated
Chromosome 13
Chromosomal Location 38155377-38178184 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 38178001 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 20 (L20Q)
Ref Sequence ENSEMBL: ENSMUSP00000152975 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021864] [ENSMUST00000224399] [ENSMUST00000225246] [ENSMUST00000225319]
AlphaFold Q9CY50
Predicted Effect probably benign
Transcript: ENSMUST00000021864
AA Change: L20Q

PolyPhen 2 Score 0.017 (Sensitivity: 0.95; Specificity: 0.80)
SMART Domains Protein: ENSMUSP00000021864
Gene: ENSMUSG00000021427
AA Change: L20Q

DomainStartEndE-ValueType
Pfam:TRAP_alpha 6 285 1.1e-124 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000224399
Predicted Effect probably benign
Transcript: ENSMUST00000225246
AA Change: L20Q

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
Predicted Effect probably null
Transcript: ENSMUST00000225319
AA Change: L20Q
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The signal sequence receptor (SSR) is a glycosylated endoplasmic reticulum (ER) membrane receptor associated with protein translocation across the ER membrane. The SSR consists of 2 subunits, a 34-kD glycoprotein encoded by this gene and a 22-kD glycoprotein. This gene generates several mRNA species as a result of complex alternative polyadenylation. This gene is unusual in that it utilizes arrays of polyA signal sequences that are mostly non-canonical. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2014]
PHENOTYPE: Homozygous mutation of this gene results in neonatal lethality, subcutaneous edema, and cardiac defects, including absence of septation of the proximal part of the outflow tract, double outlet right ventricle, persistent truncus arteriosis, and abnormal development of the endocardial cushion. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700017N19Rik T A 10: 100,445,118 (GRCm39) probably null Het
Adamts1 T A 16: 85,599,634 (GRCm39) probably benign Het
Aff4 A G 11: 53,299,236 (GRCm39) K979E probably damaging Het
Aftph A T 11: 20,642,498 (GRCm39) M845K probably damaging Het
Akt2 T C 7: 27,336,437 (GRCm39) probably null Het
Aldh1a7 A T 19: 20,685,542 (GRCm39) L336Q possibly damaging Het
Ank3 C T 10: 69,835,209 (GRCm39) T680M probably damaging Het
Apeh T C 9: 107,971,470 (GRCm39) E59G possibly damaging Het
Armc8 C T 9: 99,366,018 (GRCm39) probably null Het
Armh3 A G 19: 45,953,688 (GRCm39) I195T probably damaging Het
Atp2b1 C T 10: 98,823,172 (GRCm39) T244I probably damaging Het
Btaf1 C A 19: 36,981,869 (GRCm39) T1633K probably benign Het
Cacng8 A G 7: 3,463,819 (GRCm39) S324G probably benign Het
Calcr T A 6: 3,692,543 (GRCm39) Q400L probably damaging Het
Caprin2 G A 6: 148,749,703 (GRCm39) P536S possibly damaging Het
Ccdc54 A T 16: 50,410,951 (GRCm39) M105K probably benign Het
Ccna1 T C 3: 54,953,460 (GRCm39) E381G possibly damaging Het
Cd2ap A T 17: 43,109,490 (GRCm39) L623Q probably damaging Het
Cdkl3 A G 11: 51,918,042 (GRCm39) E415G probably benign Het
Chd5 C A 4: 152,445,398 (GRCm39) L430I possibly damaging Het
Clspn G A 4: 126,474,775 (GRCm39) E975K possibly damaging Het
Cobl C A 11: 12,204,177 (GRCm39) V835F probably damaging Het
D430041D05Rik C A 2: 104,022,883 (GRCm39) R1037L probably damaging Het
Derl1 A G 15: 57,742,443 (GRCm39) probably null Het
Dhrs9 T G 2: 69,223,520 (GRCm39) N89K probably benign Het
Erich1 A G 8: 14,114,330 (GRCm39) I60T probably benign Het
Fam184a A T 10: 53,570,910 (GRCm39) S408T possibly damaging Het
Fcgr4 T A 1: 170,847,657 (GRCm39) M85K probably benign Het
Foxj3 A G 4: 119,476,497 (GRCm39) E259G probably damaging Het
Galnt11 T C 5: 25,463,811 (GRCm39) I361T probably damaging Het
Gck A G 11: 5,851,747 (GRCm39) S441P probably damaging Het
Gdap1l1 G T 2: 163,288,065 (GRCm39) V98F probably damaging Het
Gramd1a A G 7: 30,832,181 (GRCm39) probably null Het
H2ac21 C T 3: 96,127,304 (GRCm39) Q25* probably null Het
Herc3 A T 6: 58,853,840 (GRCm39) M629L probably benign Het
Hoxc12 G A 15: 102,846,795 (GRCm39) G229D probably damaging Het
Hycc2 T A 1: 58,574,696 (GRCm39) M282L probably benign Het
Itga9 T C 9: 118,527,433 (GRCm39) L528P probably benign Het
Krt39 A C 11: 99,412,062 (GRCm39) V8G probably benign Het
Krt71 A G 15: 101,646,772 (GRCm39) I312T probably benign Het
Lrrc37 T A 11: 103,506,638 (GRCm39) probably benign Het
Mllt11 A G 3: 95,127,744 (GRCm39) Y9H probably damaging Het
Mrgpra3 G T 7: 47,239,838 (GRCm39) N29K possibly damaging Het
Mug1 A G 6: 121,850,603 (GRCm39) T700A probably benign Het
Myl1 T C 1: 66,969,395 (GRCm39) N79S probably damaging Het
Myo18b G A 5: 112,871,770 (GRCm39) Q2104* probably null Het
Nalf1 G A 8: 9,820,589 (GRCm39) P144S possibly damaging Het
Ndufs2 T C 1: 171,065,877 (GRCm39) D256G probably benign Het
Nek5 T C 8: 22,597,739 (GRCm39) N280S probably benign Het
Nwd2 A T 5: 63,962,258 (GRCm39) N614I probably damaging Het
Or6c88 G A 10: 129,406,941 (GRCm39) C139Y possibly damaging Het
Parp1 G T 1: 180,425,817 (GRCm39) K849N possibly damaging Het
Pcnx2 T C 8: 126,512,041 (GRCm39) T1422A probably damaging Het
Plce1 A G 19: 38,727,801 (GRCm39) N1520S probably damaging Het
Ppcdc T C 9: 57,322,453 (GRCm39) T149A probably damaging Het
Ppl A G 16: 4,905,366 (GRCm39) V1643A probably benign Het
Pramel23 A T 4: 143,423,898 (GRCm39) I297N probably damaging Het
Prrx1 T A 1: 163,075,907 (GRCm39) M220L probably benign Het
Pspc1 A C 14: 56,996,085 (GRCm39) probably null Het
Ptpn20 A G 14: 33,336,392 (GRCm39) *44W probably null Het
Qars1 T A 9: 108,391,976 (GRCm39) V83E probably damaging Het
Rbm33 T C 5: 28,599,496 (GRCm39) M956T unknown Het
Sash1 C A 10: 8,605,847 (GRCm39) E848* probably null Het
Scai T A 2: 39,011,147 (GRCm39) Y163F probably damaging Het
Serpinf2 A T 11: 75,329,244 (GRCm39) probably benign Het
Sgo2b T A 8: 64,379,868 (GRCm39) H988L probably benign Het
Sh2b2 G A 5: 136,247,739 (GRCm39) T604I probably benign Het
Skint4 A T 4: 112,015,281 (GRCm39) I449F possibly damaging Het
Slc30a2 A G 4: 134,074,653 (GRCm39) I88V possibly damaging Het
Smug1 A G 15: 103,064,369 (GRCm39) L184P probably damaging Het
Spatc1 A G 15: 76,168,080 (GRCm39) T180A probably benign Het
Supt4a A G 11: 87,634,084 (GRCm39) E100G probably damaging Het
Teddm2 T C 1: 153,726,320 (GRCm39) I132V probably benign Het
Tmem131 C T 1: 36,832,054 (GRCm39) G1861E possibly damaging Het
Tpr A T 1: 150,299,358 (GRCm39) H1186L probably benign Het
Trim34b A T 7: 103,978,743 (GRCm39) probably benign Het
Trpm2 T C 10: 77,748,426 (GRCm39) M1415V probably benign Het
Ttll12 A G 15: 83,471,086 (GRCm39) F264S probably benign Het
Vmn2r59 T C 7: 41,695,644 (GRCm39) E256G probably benign Het
Vmn2r93 A T 17: 18,546,672 (GRCm39) H848L probably benign Het
Vps35l T C 7: 118,372,315 (GRCm39) S290P probably damaging Het
Wdfy3 G A 5: 102,055,384 (GRCm39) T1562I probably damaging Het
Ybey T C 10: 76,304,197 (GRCm39) S2G possibly damaging Het
Zfp346 A T 13: 55,280,200 (GRCm39) Q308L probably benign Het
Other mutations in Ssr1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00540:Ssr1 APN 13 38,167,407 (GRCm39) missense probably damaging 1.00
IGL02189:Ssr1 APN 13 38,171,492 (GRCm39) critical splice donor site probably null
R1102:Ssr1 UTSW 13 38,171,591 (GRCm39) missense probably benign 0.29
R1625:Ssr1 UTSW 13 38,173,479 (GRCm39) critical splice donor site probably null
R2022:Ssr1 UTSW 13 38,173,525 (GRCm39) missense probably damaging 0.96
R2055:Ssr1 UTSW 13 38,171,761 (GRCm39) splice site probably benign
R4274:Ssr1 UTSW 13 38,169,266 (GRCm39) missense possibly damaging 0.78
R6006:Ssr1 UTSW 13 38,169,972 (GRCm39) frame shift probably null
R6659:Ssr1 UTSW 13 38,171,666 (GRCm39) missense probably damaging 0.98
R6920:Ssr1 UTSW 13 38,169,998 (GRCm39) missense probably damaging 1.00
R7036:Ssr1 UTSW 13 38,178,001 (GRCm39) missense probably null
R8697:Ssr1 UTSW 13 38,167,425 (GRCm39) nonsense probably null
R9086:Ssr1 UTSW 13 38,167,449 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- TCTACAGTGGGCGAATGAATG -3'
(R):5'- AGAGATAAGCCTGCTCAGCTAG -3'

Sequencing Primer
(F):5'- TGGCTAGCGACACGTCAG -3'
(R):5'- TTAGAGGCCACGTCGACG -3'
Posted On 2019-05-13