Incidental Mutation 'R8014:Ext1'
ID 617098
Institutional Source Beutler Lab
Gene Symbol Ext1
Ensembl Gene ENSMUSG00000061731
Gene Name exostosin glycosyltransferase 1
Synonyms
MMRRC Submission 067454-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8014 (G1)
Quality Score 225.009
Status Not validated
Chromosome 15
Chromosomal Location 52931657-53209579 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 52939283 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 589 (I589V)
Ref Sequence ENSEMBL: ENSMUSP00000076505 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000077273] [ENSMUST00000133362]
AlphaFold P97464
Predicted Effect possibly damaging
Transcript: ENSMUST00000077273
AA Change: I589V

PolyPhen 2 Score 0.780 (Sensitivity: 0.85; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000076505
Gene: ENSMUSG00000061731
AA Change: I589V

DomainStartEndE-ValueType
transmembrane domain 7 26 N/A INTRINSIC
low complexity region 29 41 N/A INTRINSIC
Pfam:Exostosin 110 396 6e-64 PFAM
Pfam:Glyco_transf_64 480 729 1.1e-106 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000133362
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an endoplasmic reticulum-resident type II transmembrane glycosyltransferase involved in the chain elongation step of heparan sulfate biosynthesis. Mutations in this gene cause the type I form of multiple exostoses. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for disruptions in this gene display a lethal phenotype. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
6030458C11Rik C A 15: 12,824,615 (GRCm39) D7Y probably benign Het
Aff1 A G 5: 103,981,735 (GRCm39) T625A possibly damaging Het
Aldh8a1 T C 10: 21,265,201 (GRCm39) V276A probably benign Het
Alkbh3 T C 2: 93,831,858 (GRCm39) D124G probably benign Het
Apob T A 12: 8,060,798 (GRCm39) N3093K possibly damaging Het
Atp13a1 C T 8: 70,252,429 (GRCm39) R608* probably null Het
Bbs7 A T 3: 36,648,536 (GRCm39) I404K probably damaging Het
Cacna2d1 A T 5: 16,547,689 (GRCm39) T647S possibly damaging Het
Carmil1 T C 13: 24,220,304 (GRCm39) E1140G possibly damaging Het
Ccdc158 C A 5: 92,796,889 (GRCm39) E482D probably damaging Het
Ccdc92 A T 5: 124,913,090 (GRCm39) H146Q probably damaging Het
Cntnap4 T A 8: 113,480,577 (GRCm39) N341K probably damaging Het
Cog1 A G 11: 113,546,990 (GRCm39) D528G probably damaging Het
Cttnbp2 G C 6: 18,426,092 (GRCm39) A762G possibly damaging Het
D130043K22Rik A T 13: 25,040,685 (GRCm39) I36F probably damaging Het
Dis3 T A 14: 99,314,835 (GRCm39) R954W possibly damaging Het
Eef1ece2 A T 16: 20,461,067 (GRCm39) T618S probably benign Het
Fam20a T A 11: 109,576,332 (GRCm39) E142D possibly damaging Het
Fars2 C T 13: 36,389,068 (GRCm39) Q186* probably null Het
Fcgbpl1 G A 7: 27,836,966 (GRCm39) R295H probably benign Het
Fhdc1 A T 3: 84,381,946 (GRCm39) M1K probably null Het
Gars1 T A 6: 55,050,392 (GRCm39) F551Y probably benign Het
Gm28363 A G 1: 117,654,534 (GRCm39) R58G probably benign Het
Gm8356 A T 14: 17,692,450 (GRCm39) N58K probably damaging Het
Gm9758 A G 5: 14,961,454 (GRCm39) V175A possibly damaging Het
Gpr182 T C 10: 127,586,874 (GRCm39) T26A possibly damaging Het
Gpr19 A G 6: 134,846,436 (GRCm39) Y416H probably damaging Het
Hrob A G 11: 102,148,725 (GRCm39) N379D probably benign Het
Itgb7 T A 15: 102,131,087 (GRCm39) S322C probably damaging Het
Kcnma1 T A 14: 23,423,211 (GRCm39) I831F probably benign Het
Lrba A T 3: 86,325,278 (GRCm39) D1912V probably damaging Het
Macf1 T A 4: 123,420,619 (GRCm39) T212S probably benign Het
Map3k4 A T 17: 12,489,918 (GRCm39) C504* probably null Het
Morc2a T C 11: 3,627,419 (GRCm39) S281P probably damaging Het
Muc16 T C 9: 18,566,171 (GRCm39) H2116R unknown Het
Nrp2 C T 1: 62,784,567 (GRCm39) R239C probably damaging Het
Omg T C 11: 79,393,729 (GRCm39) D43G possibly damaging Het
Or13c7 T A 4: 43,854,958 (GRCm39) F216L probably benign Het
Or2ag15 C T 7: 106,340,824 (GRCm39) V106I probably benign Het
Or4c122 T A 2: 89,079,343 (GRCm39) I220F probably damaging Het
Or4c3 C A 2: 89,852,087 (GRCm39) V108F possibly damaging Het
Or5b3 A T 19: 13,388,175 (GRCm39) T81S not run Het
Or5w22 A T 2: 87,362,508 (GRCm39) M44L probably benign Het
Pdia6 T C 12: 17,323,966 (GRCm39) L66S probably damaging Het
Pds5a A G 5: 65,785,082 (GRCm39) I930T possibly damaging Het
Piezo2 C T 18: 63,216,271 (GRCm39) G1169S probably benign Het
Pkhd1 A G 1: 20,579,115 (GRCm39) probably null Het
Plekhg1 A T 10: 3,907,758 (GRCm39) R947W Het
Ptprs A C 17: 56,742,994 (GRCm39) S383A probably damaging Het
Rin3 T A 12: 102,327,630 (GRCm39) L193* probably null Het
Sgsh A G 11: 119,243,521 (GRCm39) V67A probably damaging Het
Slc16a4 A G 3: 107,218,794 (GRCm39) Y465C probably damaging Het
Stab2 C A 10: 86,686,767 (GRCm39) S2259I possibly damaging Het
Tbc1d24 G A 17: 24,401,795 (GRCm39) P385S possibly damaging Het
Tm4sf1 T C 3: 57,200,319 (GRCm39) I99V probably benign Het
Tmem108 A T 9: 103,376,606 (GRCm39) I281N probably benign Het
Usp31 T C 7: 121,248,480 (GRCm39) S988G probably damaging Het
Usp44 G T 10: 93,688,571 (GRCm39) probably null Het
Zbtb26 T A 2: 37,327,013 (GRCm39) probably null Het
Zfp599 A G 9: 22,160,777 (GRCm39) Y463H probably benign Het
Zfp750 T A 11: 121,403,843 (GRCm39) D344V possibly damaging Het
Zmym5 T A 14: 57,031,883 (GRCm39) K408N possibly damaging Het
Other mutations in Ext1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00710:Ext1 APN 15 53,208,269 (GRCm39) missense probably damaging 1.00
IGL02081:Ext1 APN 15 52,936,842 (GRCm39) nonsense probably null
IGL03147:Ext1 UTSW 15 52,951,468 (GRCm39) missense probably damaging 0.98
R0047:Ext1 UTSW 15 53,208,542 (GRCm39) missense probably benign
R0047:Ext1 UTSW 15 53,208,542 (GRCm39) missense probably benign
R0437:Ext1 UTSW 15 52,969,502 (GRCm39) missense probably damaging 1.00
R0881:Ext1 UTSW 15 53,207,879 (GRCm39) missense probably benign 0.23
R1882:Ext1 UTSW 15 52,939,188 (GRCm39) missense probably damaging 1.00
R2135:Ext1 UTSW 15 52,965,140 (GRCm39) missense possibly damaging 0.88
R2175:Ext1 UTSW 15 52,932,124 (GRCm39) missense probably damaging 1.00
R2762:Ext1 UTSW 15 53,208,323 (GRCm39) missense probably benign 0.29
R3162:Ext1 UTSW 15 53,208,000 (GRCm39) missense possibly damaging 0.82
R3162:Ext1 UTSW 15 53,208,000 (GRCm39) missense possibly damaging 0.82
R3752:Ext1 UTSW 15 52,939,306 (GRCm39) missense probably damaging 1.00
R3815:Ext1 UTSW 15 53,208,485 (GRCm39) missense probably benign 0.05
R4096:Ext1 UTSW 15 52,936,753 (GRCm39) missense probably damaging 1.00
R4298:Ext1 UTSW 15 53,208,521 (GRCm39) missense probably benign 0.02
R4362:Ext1 UTSW 15 52,970,987 (GRCm39) intron probably benign
R4550:Ext1 UTSW 15 52,965,182 (GRCm39) missense probably damaging 0.99
R4647:Ext1 UTSW 15 52,953,383 (GRCm39) missense possibly damaging 0.95
R4648:Ext1 UTSW 15 52,953,383 (GRCm39) missense possibly damaging 0.95
R4871:Ext1 UTSW 15 52,955,773 (GRCm39) missense probably benign 0.37
R4954:Ext1 UTSW 15 53,207,888 (GRCm39) missense probably damaging 1.00
R5010:Ext1 UTSW 15 52,955,808 (GRCm39) missense probably damaging 1.00
R5153:Ext1 UTSW 15 52,939,213 (GRCm39) missense probably damaging 1.00
R5155:Ext1 UTSW 15 52,939,213 (GRCm39) missense probably damaging 1.00
R5328:Ext1 UTSW 15 52,939,213 (GRCm39) missense probably damaging 1.00
R5385:Ext1 UTSW 15 52,939,213 (GRCm39) missense probably damaging 1.00
R5542:Ext1 UTSW 15 52,939,213 (GRCm39) missense probably damaging 1.00
R5555:Ext1 UTSW 15 52,951,539 (GRCm39) missense probably damaging 1.00
R5779:Ext1 UTSW 15 53,207,949 (GRCm39) missense probably damaging 0.99
R5874:Ext1 UTSW 15 52,965,148 (GRCm39) missense possibly damaging 0.61
R6401:Ext1 UTSW 15 52,969,493 (GRCm39) missense possibly damaging 0.94
R6604:Ext1 UTSW 15 52,946,555 (GRCm39) missense probably damaging 0.99
R6847:Ext1 UTSW 15 53,208,550 (GRCm39) missense probably benign
R6885:Ext1 UTSW 15 52,965,088 (GRCm39) missense probably damaging 1.00
R7212:Ext1 UTSW 15 53,208,558 (GRCm39) missense probably benign 0.00
R7315:Ext1 UTSW 15 52,936,783 (GRCm39) missense probably damaging 1.00
R7361:Ext1 UTSW 15 53,208,119 (GRCm39) missense probably damaging 1.00
R7474:Ext1 UTSW 15 53,207,885 (GRCm39) missense probably damaging 0.98
R7853:Ext1 UTSW 15 52,970,881 (GRCm39) missense probably damaging 0.96
R7860:Ext1 UTSW 15 52,953,335 (GRCm39) missense possibly damaging 0.84
R8013:Ext1 UTSW 15 52,939,283 (GRCm39) missense possibly damaging 0.78
R8725:Ext1 UTSW 15 53,208,065 (GRCm39) missense possibly damaging 0.91
R8888:Ext1 UTSW 15 52,955,723 (GRCm39) missense probably damaging 1.00
R9162:Ext1 UTSW 15 53,208,504 (GRCm39) nonsense probably null
R9342:Ext1 UTSW 15 53,208,524 (GRCm39) missense probably benign
R9587:Ext1 UTSW 15 52,955,808 (GRCm39) missense possibly damaging 0.53
R9663:Ext1 UTSW 15 53,208,456 (GRCm39) missense probably damaging 0.96
R9753:Ext1 UTSW 15 53,208,067 (GRCm39) missense probably damaging 1.00
X0021:Ext1 UTSW 15 53,208,669 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- GCAGTTGTTAGAAATCTCAGCTCC -3'
(R):5'- GTCAAGCAGTCAGTTTAATTTGCTG -3'

Sequencing Primer
(F):5'- TCAGTGTGTAAGAGCACCCGAC -3'
(R):5'- CAGTTTAATTTGCTGATGAATATGGG -3'
Posted On 2020-01-23