Incidental Mutation 'R3689:Stt3a'
ID 269673
Institutional Source Beutler Lab
Gene Symbol Stt3a
Ensembl Gene ENSMUSG00000032116
Gene Name STT3, subunit of the oligosaccharyltransferase complex, homolog A (S. cerevisiae)
Synonyms Itm1
MMRRC Submission 040684-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.959) question?
Stock # R3689 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 36640640-36678918 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 36670618 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 51 (Y51C)
Ref Sequence ENSEMBL: ENSMUSP00000113116 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000120381] [ENSMUST00000128270] [ENSMUST00000133060] [ENSMUST00000217599]
AlphaFold P46978
Predicted Effect probably damaging
Transcript: ENSMUST00000120381
AA Change: Y51C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000113116
Gene: ENSMUSG00000032116
AA Change: Y51C

DomainStartEndE-ValueType
Pfam:STT3 17 484 2e-163 PFAM
Pfam:PMT_2 97 257 9.3e-10 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000128270
Predicted Effect probably damaging
Transcript: ENSMUST00000133060
AA Change: Y51C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000120360
Gene: ENSMUSG00000032116
AA Change: Y51C

DomainStartEndE-ValueType
Pfam:STT3 17 90 1.8e-26 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000135934
SMART Domains Protein: ENSMUSP00000117794
Gene: ENSMUSG00000032116

DomainStartEndE-ValueType
Pfam:STT3 1 112 1.8e-45 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137994
Predicted Effect noncoding transcript
Transcript: ENSMUST00000138358
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143881
Predicted Effect probably benign
Transcript: ENSMUST00000217599
Predicted Effect noncoding transcript
Transcript: ENSMUST00000215998
Meta Mutation Damage Score 0.9564 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.2%
Validation Efficiency 100% (53/53)
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 catalytic subunit of the N-oligosaccharyltransferase (OST) complex, which functions in the endoplasmic reticulum to transfer glycan chains to asparagine residues of target proteins. A separate complex containing a similar catalytic subunit with an overlapping function also exists. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2015]
Allele List at MGI
Other mutations in this stock
Total: 51 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy2 A T 13: 68,779,088 (GRCm39) L984Q probably damaging Het
Atg16l1 T C 1: 87,713,626 (GRCm39) V427A probably damaging Het
Bclaf1 C T 10: 20,201,143 (GRCm39) T423I possibly damaging Het
Blm G C 7: 80,162,827 (GRCm39) P175A possibly damaging Het
Bpifb1 A G 2: 154,051,819 (GRCm39) D208G probably benign Het
Cdc42ep1 T C 15: 78,731,629 (GRCm39) S25P probably benign Het
Cep162 G A 9: 87,107,747 (GRCm39) Q548* probably null Het
Chchd10 T C 10: 75,771,835 (GRCm39) probably benign Het
Cog3 T C 14: 75,991,878 (GRCm39) M1V probably null Het
Dcx T C X: 142,660,240 (GRCm39) E268G possibly damaging Het
Erich2 T C 2: 70,371,097 (GRCm39) V419A unknown Het
Fam53c A G 18: 34,903,886 (GRCm39) D386G probably damaging Het
Fgd2 A G 17: 29,597,924 (GRCm39) T620A probably benign Het
G930045G22Rik A T 6: 50,823,535 (GRCm39) noncoding transcript Het
Grpel1 G A 5: 36,626,769 (GRCm39) probably null Het
Map3k15 T A X: 158,905,568 (GRCm39) N1295K possibly damaging Het
Mideas C T 12: 84,203,245 (GRCm39) G886S probably benign Het
Mrpl44 T A 1: 79,757,366 (GRCm39) Y270* probably null Het
Mtss1 A G 15: 58,825,385 (GRCm39) S272P probably damaging Het
Myo9b G A 8: 71,786,981 (GRCm39) R721Q probably benign Het
N4bp1 C T 8: 87,587,184 (GRCm39) D585N probably damaging Het
Napb T C 2: 148,544,977 (GRCm39) probably null Het
Nexmif A T X: 103,131,213 (GRCm39) Y235N probably damaging Het
Niban1 A G 1: 151,579,447 (GRCm39) probably null Het
Nms T C 1: 38,986,075 (GRCm39) probably benign Het
Nsun2 A G 13: 69,760,456 (GRCm39) N45D probably damaging Het
Or4c116 T A 2: 88,942,386 (GRCm39) I157L possibly damaging Het
Pak6 C T 2: 118,523,921 (GRCm39) Q359* probably null Het
Pcdhb12 C T 18: 37,569,127 (GRCm39) A91V probably benign Het
Pde11a T A 2: 76,121,510 (GRCm39) K357I probably damaging Het
Piwil4 T C 9: 14,637,259 (GRCm39) T352A probably damaging Het
Plscr1l1 A C 9: 92,234,673 (GRCm39) N60T probably damaging Het
Sec31a T A 5: 100,530,766 (GRCm39) D239V probably damaging Het
Slc13a4 T C 6: 35,245,845 (GRCm39) N600S possibly damaging Het
Smc1b T A 15: 85,001,464 (GRCm39) probably benign Het
Spatc1 A T 15: 76,152,495 (GRCm39) K42* probably null Het
Sprr2j-ps A G 3: 92,326,290 (GRCm39) H55R probably benign Het
Srsf9 A G 5: 115,465,387 (GRCm39) D7G probably benign Het
Taf5 A G 19: 47,067,224 (GRCm39) K519E probably damaging Het
Taf7l A T X: 133,365,074 (GRCm39) I449K probably damaging Het
Tnk1 C A 11: 69,746,425 (GRCm39) D263Y probably damaging Het
Ttc21b T A 2: 66,054,488 (GRCm39) I714F probably benign Het
Ttn C G 2: 76,629,588 (GRCm39) W14284C probably damaging Het
Txn1 T C 4: 57,950,846 (GRCm39) D61G probably benign Het
Ugcg T C 4: 59,211,883 (GRCm39) V83A probably benign Het
Ulk3 T C 9: 57,501,077 (GRCm39) V348A probably benign Het
Wdr93 A G 7: 79,421,333 (GRCm39) T409A possibly damaging Het
Wfikkn1 A G 17: 26,097,692 (GRCm39) C211R probably damaging Het
Zap70 T C 1: 36,820,493 (GRCm39) C563R probably damaging Het
Zc3h12c C T 9: 52,027,256 (GRCm39) R721H probably benign Het
Zfp169 A G 13: 48,660,377 (GRCm39) probably benign Het
Other mutations in Stt3a
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01866:Stt3a APN 9 36,645,662 (GRCm39) missense probably benign 0.00
IGL02237:Stt3a APN 9 36,660,933 (GRCm39) nonsense probably null
IGL02644:Stt3a APN 9 36,663,649 (GRCm39) missense possibly damaging 0.70
IGL02710:Stt3a APN 9 36,670,041 (GRCm39) missense probably damaging 0.99
IGL03085:Stt3a APN 9 36,644,266 (GRCm39) intron probably benign
IGL03180:Stt3a APN 9 36,670,552 (GRCm39) missense probably damaging 1.00
IGL03295:Stt3a APN 9 36,674,627 (GRCm39) splice site probably null
Scramble UTSW 9 36,646,762 (GRCm39) missense probably damaging 1.00
Western UTSW 9 36,646,682 (GRCm39) missense probably damaging 1.00
R0314:Stt3a UTSW 9 36,660,841 (GRCm39) intron probably benign
R0731:Stt3a UTSW 9 36,646,808 (GRCm39) missense probably damaging 1.00
R1188:Stt3a UTSW 9 36,662,636 (GRCm39) missense probably damaging 1.00
R1797:Stt3a UTSW 9 36,654,711 (GRCm39) critical splice donor site probably null
R1846:Stt3a UTSW 9 36,674,681 (GRCm39) missense probably damaging 1.00
R2152:Stt3a UTSW 9 36,659,292 (GRCm39) missense probably damaging 1.00
R2220:Stt3a UTSW 9 36,660,847 (GRCm39) critical splice donor site probably null
R2317:Stt3a UTSW 9 36,659,371 (GRCm39) missense probably benign 0.08
R4299:Stt3a UTSW 9 36,674,640 (GRCm39) missense probably damaging 1.00
R4586:Stt3a UTSW 9 36,653,089 (GRCm39) missense probably damaging 1.00
R4595:Stt3a UTSW 9 36,646,808 (GRCm39) missense probably damaging 1.00
R4689:Stt3a UTSW 9 36,644,225 (GRCm39) missense possibly damaging 0.91
R4736:Stt3a UTSW 9 36,661,008 (GRCm39) missense probably benign 0.01
R5145:Stt3a UTSW 9 36,646,762 (GRCm39) missense probably damaging 1.00
R5208:Stt3a UTSW 9 36,657,891 (GRCm39) missense possibly damaging 0.78
R5665:Stt3a UTSW 9 36,670,610 (GRCm39) missense probably damaging 1.00
R5748:Stt3a UTSW 9 36,663,696 (GRCm39) missense probably benign 0.21
R6341:Stt3a UTSW 9 36,662,592 (GRCm39) missense probably damaging 1.00
R6853:Stt3a UTSW 9 36,653,023 (GRCm39) missense possibly damaging 0.89
R6859:Stt3a UTSW 9 36,646,682 (GRCm39) missense probably damaging 1.00
R7453:Stt3a UTSW 9 36,659,266 (GRCm39) missense possibly damaging 0.91
R7495:Stt3a UTSW 9 36,659,235 (GRCm39) missense probably benign 0.03
R7745:Stt3a UTSW 9 36,662,535 (GRCm39) nonsense probably null
R8007:Stt3a UTSW 9 36,653,065 (GRCm39) missense probably damaging 1.00
R9176:Stt3a UTSW 9 36,662,592 (GRCm39) missense probably damaging 1.00
R9218:Stt3a UTSW 9 36,670,556 (GRCm39) missense probably damaging 0.98
R9552:Stt3a UTSW 9 36,645,675 (GRCm39) missense probably benign 0.00
R9622:Stt3a UTSW 9 36,661,025 (GRCm39) missense possibly damaging 0.95
R9784:Stt3a UTSW 9 36,670,079 (GRCm39) missense probably damaging 0.97
Predicted Primers PCR Primer
(F):5'- TTTCCTGAAGCAAACAGAAAGAGC -3'
(R):5'- CCTTCAGAGAAAAGCAGTGC -3'

Sequencing Primer
(F):5'- TGTTTCACAGCATACAAACACC -3'
(R):5'- GCAGTGCTGTAATTGATACAAGTG -3'
Posted On 2015-02-19