Incidental Mutation 'R7495:Stt3a'
ID 581038
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 045568-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.959) question?
Stock # R7495 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 36640640-36678918 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 36659235 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 368 (V368A)
Ref Sequence ENSEMBL: ENSMUSP00000113116 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000120381] [ENSMUST00000128270]
AlphaFold P46978
Predicted Effect probably benign
Transcript: ENSMUST00000120381
AA Change: V368A

PolyPhen 2 Score 0.032 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000113116
Gene: ENSMUSG00000032116
AA Change: V368A

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 benign
Transcript: ENSMUST00000135934
SMART Domains Protein: ENSMUSP00000117794
Gene: ENSMUSG00000032116

DomainStartEndE-ValueType
Pfam:STT3 1 112 1.8e-45 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency
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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1b A G 5: 8,915,871 (GRCm39) E1251G probably damaging Het
Apba1 T C 19: 23,913,963 (GRCm39) probably null Het
Arap2 C T 5: 62,833,893 (GRCm39) S858N possibly damaging Het
Capn10 T C 1: 92,871,092 (GRCm39) F301L probably damaging Het
Catip T C 1: 74,401,851 (GRCm39) W9R probably benign Het
Cfap46 A G 7: 139,183,112 (GRCm39) probably null Het
Cpq C T 15: 33,302,586 (GRCm39) R246C probably damaging Het
Dgkh A G 14: 78,816,239 (GRCm39) S1067P probably benign Het
Dpp3 T C 19: 4,967,941 (GRCm39) E316G probably damaging Het
Dpp9 T C 17: 56,502,044 (GRCm39) Q508R probably benign Het
Frem2 T C 3: 53,424,258 (GRCm39) N3060D probably benign Het
Fstl5 A G 3: 76,615,099 (GRCm39) Y720C possibly damaging Het
Gm28168 T C 1: 117,875,637 (GRCm39) S89P possibly damaging Het
Hk2 C T 6: 82,704,346 (GRCm39) G900E probably damaging Het
Hrh1 A C 6: 114,457,634 (GRCm39) D305A probably benign Het
Htt C T 5: 34,968,821 (GRCm39) S435L probably benign Het
Ice2 G T 9: 69,323,511 (GRCm39) V669L probably benign Het
Klk1b27 G A 7: 43,705,500 (GRCm39) V191I probably benign Het
Med12l A G 3: 59,152,194 (GRCm39) K993R probably damaging Het
Nfe2l1 A G 11: 96,710,622 (GRCm39) Y536H probably damaging Het
Nr4a2 T C 2: 57,002,171 (GRCm39) D94G possibly damaging Het
Oit3 T C 10: 59,259,765 (GRCm39) D546G possibly damaging Het
Paxbp1 T C 16: 90,813,837 (GRCm39) T847A probably damaging Het
Pde12 A T 14: 26,389,994 (GRCm39) N238K probably benign Het
Pfkfb3 A C 2: 11,487,312 (GRCm39) I366S probably damaging Het
Ptma GGAAGAAG GGAAGAAGAAG 1: 86,457,261 (GRCm39) probably benign Het
Ptprb C A 10: 116,177,353 (GRCm39) Q1018K probably benign Het
Rxfp3 C A 15: 11,036,011 (GRCm39) G454C probably damaging Het
Scn5a A G 9: 119,372,200 (GRCm39) V223A probably damaging Het
Sema4c C A 1: 36,589,774 (GRCm39) V527L probably benign Het
Slk C A 19: 47,627,417 (GRCm39) P1182T probably damaging Het
Trpm3 T C 19: 22,875,160 (GRCm39) F601L probably benign Het
Ttn T C 2: 76,540,299 (GRCm39) D34229G probably benign Het
Vmn2r107 A G 17: 20,595,271 (GRCm39) H608R possibly damaging Het
Vmn2r49 A T 7: 9,710,826 (GRCm39) C635* probably null Het
Zfp473 A T 7: 44,387,368 (GRCm39) F95Y probably benign Het
Zfp984 A C 4: 147,839,287 (GRCm39) S521R possibly damaging 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
R3689:Stt3a UTSW 9 36,670,618 (GRCm39) missense probably damaging 1.00
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
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'- CCAAGAAGAAAACTGAGTTGGGT -3'
(R):5'- AGCATTTTAGCTTAGTGTTTTAGGGA -3'

Sequencing Primer
(F):5'- TCTGCAGAGAACTGTACACATGTG -3'
(R):5'- ACAGGGCGTTTCTACTCT -3'
Posted On 2019-10-17