Incidental Mutation 'R2220:Stt3a'
ID 241433
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 040222-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.959) question?
Stock # R2220 (G1)
Quality Score 225
Status Not validated
Chromosome 9
Chromosomal Location 36640640-36678918 bp(-) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) A to G at 36660847 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000113116 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000120381] [ENSMUST00000128270]
AlphaFold P46978
Predicted Effect probably null
Transcript: ENSMUST00000120381
SMART Domains Protein: ENSMUSP00000113116
Gene: ENSMUSG00000032116

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000215998
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.2%
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4 T C 4: 144,344,572 (GRCm39) I116T probably damaging Het
Aatk G T 11: 119,903,003 (GRCm39) F407L probably damaging Het
Abca8a A T 11: 109,917,681 (GRCm39) L1586Q probably damaging Het
Aox1 A G 1: 58,388,289 (GRCm39) probably null Het
Ap5m1 A G 14: 49,318,552 (GRCm39) D420G probably damaging Het
Bcl6 A T 16: 23,791,382 (GRCm39) L324* probably null Het
Bicc1 A G 10: 70,785,955 (GRCm39) S396P probably damaging Het
Bltp1 T C 3: 36,929,679 (GRCm39) probably null Het
Ccdc83 G A 7: 89,908,722 (GRCm39) S4L probably damaging Het
Cdkal1 T A 13: 29,538,741 (GRCm39) M473L probably benign Het
Cep85 T C 4: 133,881,178 (GRCm39) H363R probably damaging Het
Cfap61 G A 2: 145,878,736 (GRCm39) probably null Het
Cfap65 T C 1: 74,943,184 (GRCm39) I1614V probably damaging Het
Cluh T A 11: 74,557,947 (GRCm39) F1062I probably damaging Het
Cntnap5a A T 1: 116,508,369 (GRCm39) T1294S possibly damaging Het
Cops8 A C 1: 90,534,341 (GRCm39) N94T probably benign Het
Csmd1 T C 8: 16,042,641 (GRCm39) D2364G possibly damaging Het
Cyb5d1 T C 11: 69,285,871 (GRCm39) D55G probably benign Het
Cyp2c29 A T 19: 39,275,676 (GRCm39) I39F probably benign Het
Cyp2j8 T C 4: 96,332,862 (GRCm39) S495G probably benign Het
Dhx30 A G 9: 109,916,703 (GRCm39) L575P probably damaging Het
Dnah7a C T 1: 53,560,333 (GRCm39) V2113I probably benign Het
Dusp3 T C 11: 101,865,631 (GRCm39) N95D probably damaging Het
Espl1 A G 15: 102,221,424 (GRCm39) I944V probably damaging Het
Fer1l4 T G 2: 155,873,684 (GRCm39) Y1207S probably damaging Het
Flg2 T G 3: 93,109,492 (GRCm39) S507A unknown Het
Gdf6 A G 4: 9,844,770 (GRCm39) H98R probably damaging Het
Ggnbp2 T C 11: 84,727,439 (GRCm39) N63S possibly damaging Het
Ggt7 A G 2: 155,337,639 (GRCm39) S504P probably damaging Het
Gtf2h5 G A 17: 6,134,853 (GRCm39) E48K probably benign Het
Hivep3 T G 4: 119,591,235 (GRCm39) V81G possibly damaging Het
Igsf21 A G 4: 139,755,425 (GRCm39) M410T probably damaging Het
Insrr T C 3: 87,716,725 (GRCm39) L651P probably damaging Het
Iqcb1 A T 16: 36,663,824 (GRCm39) probably null Het
Klhdc7a G A 4: 139,692,764 (GRCm39) R728C probably benign Het
Lars2 T C 9: 123,247,845 (GRCm39) L334P probably damaging Het
Mast3 T C 8: 71,233,607 (GRCm39) E994G probably damaging Het
Mertk T A 2: 128,643,392 (GRCm39) N930K probably benign Het
Mettl21a A T 1: 64,655,442 (GRCm39) V46E probably damaging Het
Nedd4 T A 9: 72,643,989 (GRCm39) C614S probably damaging Het
Or13a19 T C 7: 139,903,484 (GRCm39) S291P probably benign Het
Or2l13b A T 16: 19,348,895 (GRCm39) Y258* probably null Het
Or5k1 G T 16: 58,617,987 (GRCm39) A74D possibly damaging Het
Pard3b C T 1: 62,518,842 (GRCm39) R976* probably null Het
Pcdhb16 A G 18: 37,612,020 (GRCm39) T327A probably benign Het
Pira12 A T 7: 3,900,488 (GRCm39) N87K probably benign Het
Ppp1r37 C A 7: 19,266,371 (GRCm39) R465L probably null Het
Ppp3ca C A 3: 136,503,685 (GRCm39) T86K probably damaging Het
Ralgapa2 G A 2: 146,263,599 (GRCm39) T706I probably benign Het
Rnf213 T C 11: 119,327,254 (GRCm39) L1747P possibly damaging Het
Slc11a1 T A 1: 74,419,824 (GRCm39) F166I probably damaging Het
Slc25a18 G A 6: 120,770,518 (GRCm39) probably null Het
Supt16 G A 14: 52,409,601 (GRCm39) R770* probably null Het
Syde2 A G 3: 145,707,713 (GRCm39) I551V probably benign Het
Tasor2 A T 13: 3,631,872 (GRCm39) N876K probably benign Het
Tecta T C 9: 42,303,326 (GRCm39) D102G probably damaging Het
Tmc7 A T 7: 118,152,039 (GRCm39) I294N possibly damaging Het
Tmem174 T C 13: 98,773,767 (GRCm39) Y21C probably damaging Het
Tomm40l A T 1: 171,049,550 (GRCm39) L13* probably null Het
Trim30c A G 7: 104,032,474 (GRCm39) V284A probably benign Het
Ttc23l G A 15: 10,537,652 (GRCm39) S206L probably benign Het
Uggt2 A T 14: 119,312,749 (GRCm39) N353K probably damaging Het
Vps13d C T 4: 144,904,890 (GRCm39) V79M probably damaging Het
Wfdc18 C T 11: 83,600,739 (GRCm39) R45* probably null 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
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
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'- TTTAGCAGCTCTCCAGAATCC -3'
(R):5'- TCATCAGAACACATGGCAGC -3'

Sequencing Primer
(F):5'- AGACATGGTGGCTTACTACTGACC -3'
(R):5'- AACACATGGCAGCCTTTGG -3'
Posted On 2014-10-15