Incidental Mutation 'IGL01768:Ext2'
ID 154023
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Ext2
Ensembl Gene ENSMUSG00000027198
Gene Name exostosin glycosyltransferase 2
Synonyms
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL01768
Quality Score
Status
Chromosome 2
Chromosomal Location 93525978-93652913 bp(-) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) A to G at 93621455 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000138956 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028623] [ENSMUST00000125407] [ENSMUST00000184931]
AlphaFold P70428
Predicted Effect probably benign
Transcript: ENSMUST00000028623
SMART Domains Protein: ENSMUSP00000028623
Gene: ENSMUSG00000027198

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Pfam:Exostosin 100 380 2.4e-59 PFAM
Pfam:Glyco_transf_64 456 701 1.1e-99 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000119441
Predicted Effect noncoding transcript
Transcript: ENSMUST00000123649
Predicted Effect probably benign
Transcript: ENSMUST00000125407
SMART Domains Protein: ENSMUSP00000120291
Gene: ENSMUSG00000027198

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Pfam:Exostosin 100 380 8.8e-59 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000152344
Predicted Effect probably benign
Transcript: ENSMUST00000184931
SMART Domains Protein: ENSMUSP00000138956
Gene: ENSMUSG00000027198

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Pfam:Exostosin 100 380 1.4e-57 PFAM
Pfam:Glyco_transf_64 456 559 9.5e-31 PFAM
Coding Region Coverage
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes one of two glycosyltransferases involved in the chain elongation step of heparan sulfate biosynthesis. Mutations in this gene cause the type II form of multiple exostoses. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous null embryos lack heparan sulfate, initiate primitive streak formation but fail to form mesoderm, become growth arrested and die around gastrulation. Heterozygotes show various abnormalities in cartilage differentiation; about one-third form one or more exostoses on the ribs. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aifm3 T C 16: 17,324,141 (GRCm39) V567A possibly damaging Het
Arnt T C 3: 95,398,327 (GRCm39) probably benign Het
C8b G A 4: 104,644,151 (GRCm39) E273K probably benign Het
Capn5 C T 7: 97,774,480 (GRCm39) R570H probably damaging Het
Cdh9 A T 15: 16,778,311 (GRCm39) D42V possibly damaging Het
Cdk17 T C 10: 93,044,123 (GRCm39) S21P probably damaging Het
Cdkl3 T A 11: 51,916,744 (GRCm39) F291I probably damaging Het
Cfap210 A T 2: 69,612,471 (GRCm39) probably benign Het
Clmn T C 12: 104,747,978 (GRCm39) E523G probably damaging Het
Cyp4f14 A T 17: 33,126,976 (GRCm39) I318N probably damaging Het
Daam1 T A 12: 72,036,659 (GRCm39) F1068L probably benign Het
F5 T A 1: 164,003,914 (GRCm39) F236L probably benign Het
Fat2 A G 11: 55,153,394 (GRCm39) V3606A probably damaging Het
Gpam G A 19: 55,075,952 (GRCm39) T220M probably benign Het
Hyal1 C A 9: 107,456,338 (GRCm39) L342I probably damaging Het
Ilvbl C A 10: 78,419,127 (GRCm39) P459T possibly damaging Het
Itga5 A G 15: 103,259,997 (GRCm39) Y632H probably benign Het
Jkampl A T 6: 73,445,899 (GRCm39) L217M possibly damaging Het
Krt73 T C 15: 101,707,291 (GRCm39) D299G probably benign Het
Lcp1 T C 14: 75,461,573 (GRCm39) V522A probably benign Het
Lmo3 A G 6: 138,393,495 (GRCm39) C53R probably damaging Het
Nsun7 T C 5: 66,436,043 (GRCm39) V305A probably benign Het
Oprm1 T C 10: 6,779,186 (GRCm39) S196P probably damaging Het
Or2y1e G A 11: 49,218,958 (GRCm39) C240Y probably damaging Het
Or4z4 A T 19: 12,076,403 (GRCm39) I200N probably damaging Het
Or7e168 G A 9: 19,720,456 (GRCm39) V281M possibly damaging Het
Ovgp1 T C 3: 105,888,667 (GRCm39) probably null Het
Pcdhb20 T C 18: 37,639,768 (GRCm39) F765L possibly damaging Het
Ppp4r4 T C 12: 103,547,664 (GRCm39) V3A probably benign Het
Ruvbl1 A G 6: 88,474,253 (GRCm39) I419V probably benign Het
Scara5 T A 14: 65,927,224 (GRCm39) C40* probably null Het
Siglec1 T C 2: 130,916,314 (GRCm39) Q1212R probably benign Het
Slc31a1 G A 4: 62,306,273 (GRCm39) probably null Het
Sparc G T 11: 55,296,069 (GRCm39) N87K probably damaging Het
Tcf12 T C 9: 71,776,278 (GRCm39) probably null Het
Timm44 A T 8: 4,316,860 (GRCm39) F258I probably benign Het
Tm2d2 G T 8: 25,508,095 (GRCm39) V80L possibly damaging Het
Tpr A G 1: 150,320,199 (GRCm39) D2249G possibly damaging Het
Trim50 G T 5: 135,392,736 (GRCm39) G217V possibly damaging Het
Ugcg T C 4: 59,217,216 (GRCm39) probably null Het
Vmn2r107 A T 17: 20,565,868 (GRCm39) H61L probably benign Het
Zfp84 A G 7: 29,476,091 (GRCm39) H261R probably benign Het
Zswim2 A T 2: 83,748,301 (GRCm39) M293K probably benign Het
Other mutations in Ext2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01132:Ext2 APN 2 93,621,418 (GRCm39) missense probably benign
IGL01554:Ext2 APN 2 93,642,294 (GRCm39) missense probably damaging 1.00
IGL02160:Ext2 APN 2 93,643,929 (GRCm39) missense probably benign
IGL02677:Ext2 APN 2 93,537,590 (GRCm39) missense probably damaging 1.00
IGL02939:Ext2 APN 2 93,534,964 (GRCm39) splice site probably null
IGL03013:Ext2 APN 2 93,537,571 (GRCm39) intron probably benign
IGL03286:Ext2 APN 2 93,537,617 (GRCm39) missense probably damaging 1.00
R0018:Ext2 UTSW 2 93,626,037 (GRCm39) missense probably damaging 1.00
R0526:Ext2 UTSW 2 93,636,430 (GRCm39) missense probably damaging 0.99
R0580:Ext2 UTSW 2 93,626,070 (GRCm39) missense probably benign 0.31
R1383:Ext2 UTSW 2 93,636,458 (GRCm39) missense possibly damaging 0.92
R1538:Ext2 UTSW 2 93,537,632 (GRCm39) missense probably damaging 1.00
R1743:Ext2 UTSW 2 93,560,570 (GRCm39) missense probably damaging 1.00
R1792:Ext2 UTSW 2 93,534,890 (GRCm39) missense probably damaging 1.00
R2874:Ext2 UTSW 2 93,570,031 (GRCm39) missense possibly damaging 0.95
R3122:Ext2 UTSW 2 93,644,170 (GRCm39) missense probably damaging 1.00
R4624:Ext2 UTSW 2 93,533,545 (GRCm39) missense probably benign 0.26
R4653:Ext2 UTSW 2 93,526,504 (GRCm39) missense probably benign 0.22
R4826:Ext2 UTSW 2 93,592,975 (GRCm39) missense probably benign 0.15
R4828:Ext2 UTSW 2 93,626,112 (GRCm39) missense probably benign 0.08
R4936:Ext2 UTSW 2 93,644,024 (GRCm39) nonsense probably null
R5311:Ext2 UTSW 2 93,526,606 (GRCm39) missense probably benign 0.04
R5799:Ext2 UTSW 2 93,642,317 (GRCm39) missense probably benign 0.01
R5850:Ext2 UTSW 2 93,644,004 (GRCm39) missense possibly damaging 0.94
R6230:Ext2 UTSW 2 93,592,965 (GRCm39) missense probably damaging 1.00
R6488:Ext2 UTSW 2 93,636,430 (GRCm39) missense probably damaging 0.99
R7047:Ext2 UTSW 2 93,570,002 (GRCm39) missense probably damaging 0.99
R7173:Ext2 UTSW 2 93,643,957 (GRCm39) missense probably damaging 1.00
R7391:Ext2 UTSW 2 93,560,612 (GRCm39) missense probably damaging 1.00
R7530:Ext2 UTSW 2 93,491,998 (GRCm39) missense probably benign 0.00
R7545:Ext2 UTSW 2 93,644,108 (GRCm39) missense probably benign
R7939:Ext2 UTSW 2 93,560,601 (GRCm39) missense probably damaging 1.00
R8160:Ext2 UTSW 2 93,644,107 (GRCm39) missense probably benign 0.05
R9072:Ext2 UTSW 2 93,644,144 (GRCm39) missense probably benign 0.28
R9245:Ext2 UTSW 2 93,534,836 (GRCm39) missense probably benign 0.23
R9338:Ext2 UTSW 2 93,526,603 (GRCm39) missense probably damaging 1.00
R9430:Ext2 UTSW 2 93,592,999 (GRCm39) missense possibly damaging 0.84
R9487:Ext2 UTSW 2 93,592,956 (GRCm39) missense probably damaging 1.00
Z1177:Ext2 UTSW 2 93,533,620 (GRCm39) critical splice acceptor site probably benign
Posted On 2014-02-04