Incidental Mutation 'R6495:Stt3b'
ID 520442
Institutional Source Beutler Lab
Gene Symbol Stt3b
Ensembl Gene ENSMUSG00000032437
Gene Name STT3, subunit of the oligosaccharyltransferase complex, homolog B (S. cerevisiae)
Synonyms 1300006C19Rik, Simp
MMRRC Submission 044627-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.807) question?
Stock # R6495 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 115071649-115139489 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 115096388 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Phenylalanine at position 253 (Y253F)
Ref Sequence ENSEMBL: ENSMUSP00000035010 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035010]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000035010
AA Change: Y253F

PolyPhen 2 Score 0.464 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000035010
Gene: ENSMUSG00000032437
AA Change: Y253F

DomainStartEndE-ValueType
low complexity region 40 60 N/A INTRINSIC
Pfam:STT3 68 560 2e-151 PFAM
low complexity region 807 821 N/A INTRINSIC
Meta Mutation Damage Score 0.3921 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 93.8%
Validation Efficiency 100% (50/50)
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 a protein complex that transfers oligosaccharides onto asparagine residues. Defects in this gene are a cause of congenital disorder of glycosylation Ix (CDG1X). [provided by RefSeq, Jun 2014]
Allele List at MGI
Other mutations in this stock
Total: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ahnak2 T A 12: 112,740,148 (GRCm39) E502V probably damaging Het
Apbb1ip T A 2: 22,743,132 (GRCm39) Y321* probably null Het
Apob A G 12: 8,040,394 (GRCm39) K577R probably null Het
Arfgef3 A G 10: 18,486,950 (GRCm39) probably null Het
Asap3 T A 4: 135,955,790 (GRCm39) probably null Het
Atp13a5 C T 16: 29,140,440 (GRCm39) probably null Het
Bcan C A 3: 87,903,904 (GRCm39) A194S possibly damaging Het
Cacybp T C 1: 160,036,093 (GRCm39) T32A probably benign Het
Cd82 A G 2: 93,260,357 (GRCm39) V90A probably benign Het
Chd5 C T 4: 152,451,829 (GRCm39) R714C probably damaging Het
Cpb2 T C 14: 75,512,519 (GRCm39) Y311H probably damaging Het
Cyp39a1 T C 17: 44,002,585 (GRCm39) Y267H probably benign Het
Dnajc6 C T 4: 101,492,262 (GRCm39) Q766* probably null Het
Dusp3 T C 11: 101,872,653 (GRCm39) I48V probably benign Het
Eif3c A T 7: 126,146,672 (GRCm39) F809I probably damaging Het
Exosc10 C T 4: 148,647,329 (GRCm39) P213S probably benign Het
Galns C T 8: 123,327,349 (GRCm39) G141D probably damaging Het
Gm3233 A T 10: 77,594,886 (GRCm39) probably benign Het
Hadha A T 5: 30,325,048 (GRCm39) L714H probably benign Het
Map3k20 T C 2: 72,198,763 (GRCm39) M123T probably damaging Het
Nt5dc1 A G 10: 34,200,365 (GRCm39) L217P probably damaging Het
Nubp2 A T 17: 25,104,577 (GRCm39) D54E probably damaging Het
Onecut1 C T 9: 74,770,497 (GRCm39) R307C probably damaging Het
Or5b116 T A 19: 13,422,989 (GRCm39) D204E probably benign Het
Pcdhb17 A G 18: 37,618,720 (GRCm39) Y170C probably damaging Het
Pkd2 T A 5: 104,637,159 (GRCm39) C591S probably damaging Het
Pramel15 T C 4: 144,103,409 (GRCm39) N239S probably benign Het
Pwp2 A T 10: 78,012,961 (GRCm39) V549E probably damaging Het
Rapsn A T 2: 90,866,973 (GRCm39) S92C probably damaging Het
Rbm19 A G 5: 120,257,745 (GRCm39) S90G probably damaging Het
Rfc1 G A 5: 65,431,158 (GRCm39) probably null Het
Rims2 T A 15: 39,381,208 (GRCm39) F1046L probably benign Het
S100a16 C T 3: 90,449,735 (GRCm39) R73C probably benign Het
Shroom3 T C 5: 93,089,928 (GRCm39) Y893H possibly damaging Het
Taar8b A G 10: 23,967,160 (GRCm39) *345Q probably null Het
Tas2r119 G A 15: 32,177,676 (GRCm39) V81I probably benign Het
Tas2r129 A G 6: 132,928,128 (GRCm39) I22V probably benign Het
Tbc1d19 T G 5: 54,046,555 (GRCm39) probably null Het
Tnip3 A T 6: 65,582,846 (GRCm39) I218F probably benign Het
Tnks A T 8: 35,307,120 (GRCm39) probably null Het
Ttc29 T C 8: 79,008,963 (GRCm39) Y278H possibly damaging Het
Tut7 T C 13: 59,947,753 (GRCm39) E454G possibly damaging Het
Uba7 T A 9: 107,854,213 (GRCm39) C214* probably null Het
Vmn2r115 A T 17: 23,578,572 (GRCm39) I682F probably benign Het
Vmn2r75 A T 7: 85,813,287 (GRCm39) M505K probably benign Het
Wdr19 A T 5: 65,415,466 (GRCm39) T1313S probably benign Het
Zbtb22 A G 17: 34,136,224 (GRCm39) D123G probably damaging Het
Zdhhc7 A G 8: 120,813,395 (GRCm39) I138T probably benign Het
Zfp706 T C 15: 37,004,045 (GRCm39) K7R unknown Het
Zkscan3 G A 13: 21,572,075 (GRCm39) P519L probably damaging Het
Other mutations in Stt3b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00481:Stt3b APN 9 115,080,915 (GRCm39) missense probably benign 0.42
IGL00929:Stt3b APN 9 115,095,233 (GRCm39) missense probably damaging 1.00
IGL01333:Stt3b APN 9 115,086,612 (GRCm39) missense probably damaging 0.97
IGL01389:Stt3b APN 9 115,082,968 (GRCm39) missense probably benign
IGL01680:Stt3b APN 9 115,075,329 (GRCm39) splice site probably benign
IGL01980:Stt3b APN 9 115,105,767 (GRCm39) splice site probably null
IGL02351:Stt3b APN 9 115,079,975 (GRCm39) missense possibly damaging 0.90
IGL02358:Stt3b APN 9 115,079,975 (GRCm39) missense possibly damaging 0.90
IGL02421:Stt3b APN 9 115,080,920 (GRCm39) splice site probably benign
IGL02602:Stt3b APN 9 115,105,846 (GRCm39) missense probably damaging 1.00
IGL03231:Stt3b APN 9 115,073,062 (GRCm39) missense unknown
supersonic UTSW 9 115,083,085 (GRCm39) missense probably damaging 1.00
R0482:Stt3b UTSW 9 115,077,635 (GRCm39) missense probably benign 0.10
R1221:Stt3b UTSW 9 115,086,567 (GRCm39) missense probably benign 0.00
R1437:Stt3b UTSW 9 115,083,995 (GRCm39) missense probably damaging 1.00
R1477:Stt3b UTSW 9 115,095,260 (GRCm39) missense probably damaging 1.00
R1604:Stt3b UTSW 9 115,079,995 (GRCm39) missense probably damaging 1.00
R1796:Stt3b UTSW 9 115,077,675 (GRCm39) nonsense probably null
R4112:Stt3b UTSW 9 115,095,206 (GRCm39) missense probably damaging 1.00
R4166:Stt3b UTSW 9 115,083,969 (GRCm39) missense probably damaging 1.00
R4695:Stt3b UTSW 9 115,083,862 (GRCm39) missense probably damaging 1.00
R5183:Stt3b UTSW 9 115,095,211 (GRCm39) missense probably damaging 0.99
R5317:Stt3b UTSW 9 115,081,578 (GRCm39) nonsense probably null
R5631:Stt3b UTSW 9 115,083,913 (GRCm39) missense probably benign 0.05
R5665:Stt3b UTSW 9 115,095,215 (GRCm39) missense probably damaging 1.00
R6517:Stt3b UTSW 9 115,096,410 (GRCm39) missense probably benign
R6525:Stt3b UTSW 9 115,087,626 (GRCm39) missense probably damaging 1.00
R6593:Stt3b UTSW 9 115,081,579 (GRCm39) missense probably damaging 0.99
R7065:Stt3b UTSW 9 115,095,224 (GRCm39) missense probably damaging 1.00
R7071:Stt3b UTSW 9 115,083,085 (GRCm39) missense probably damaging 1.00
R7297:Stt3b UTSW 9 115,106,025 (GRCm39) missense probably damaging 1.00
R7313:Stt3b UTSW 9 115,095,183 (GRCm39) missense probably damaging 0.99
R7554:Stt3b UTSW 9 115,109,477 (GRCm39) critical splice donor site probably null
R7790:Stt3b UTSW 9 115,105,887 (GRCm39) missense probably damaging 1.00
R7802:Stt3b UTSW 9 115,105,949 (GRCm39) missense probably damaging 1.00
R8305:Stt3b UTSW 9 115,083,999 (GRCm39) missense probably damaging 1.00
R8361:Stt3b UTSW 9 115,083,988 (GRCm39) missense probably damaging 1.00
R8362:Stt3b UTSW 9 115,083,988 (GRCm39) missense probably damaging 1.00
R8363:Stt3b UTSW 9 115,083,988 (GRCm39) missense probably damaging 1.00
R8371:Stt3b UTSW 9 115,095,243 (GRCm39) missense probably damaging 1.00
R8799:Stt3b UTSW 9 115,077,685 (GRCm39) missense probably damaging 1.00
R8996:Stt3b UTSW 9 115,073,065 (GRCm39) missense unknown
R9215:Stt3b UTSW 9 115,085,223 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAGGTCTTTCAGAATCAGCTTGTTC -3'
(R):5'- AGGCTCCAGTTTATTGACATTAACC -3'

Sequencing Primer
(F):5'- TCAGAATCAGCTTGTTCTAATTCAG -3'
(R):5'- TTTCATGGCAGAAAATGAAAACAG -3'
Posted On 2018-06-06