Incidental Mutation 'IGL01554:Ext2'
ID 90672
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 # IGL01554
Quality Score
Status
Chromosome 2
Chromosomal Location 93525978-93652913 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to C at 93642294 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Valine at position 192 (L192V)
Ref Sequence ENSEMBL: ENSMUSP00000122144 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028623] [ENSMUST00000111248] [ENSMUST00000125407] [ENSMUST00000145838] [ENSMUST00000184931]
AlphaFold P70428
Predicted Effect possibly damaging
Transcript: ENSMUST00000028623
AA Change: L192V

PolyPhen 2 Score 0.796 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000028623
Gene: ENSMUSG00000027198
AA Change: L192V

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 probably benign
Transcript: ENSMUST00000111248
SMART Domains Protein: ENSMUSP00000106879
Gene: ENSMUSG00000027198

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000123649
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125027
Predicted Effect probably damaging
Transcript: ENSMUST00000125407
AA Change: L192V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000120291
Gene: ENSMUSG00000027198
AA Change: L192V

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Pfam:Exostosin 100 380 8.8e-59 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000145838
AA Change: L192V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000122144
Gene: ENSMUSG00000027198
AA Change: L192V

DomainStartEndE-ValueType
transmembrane domain 24 46 N/A INTRINSIC
Pfam:Exostosin 100 213 2.5e-17 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000157046
Predicted Effect possibly damaging
Transcript: ENSMUST00000184931
AA Change: L192V

PolyPhen 2 Score 0.880 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000138956
Gene: ENSMUSG00000027198
AA Change: L192V

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: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca8a T C 11: 109,932,992 (GRCm39) I1211V probably benign Het
Adgre4 A G 17: 56,124,090 (GRCm39) S497G probably damaging Het
Ankrd55 T C 13: 112,459,601 (GRCm39) M65T possibly damaging Het
Entrep3 A G 3: 89,092,888 (GRCm39) T257A probably damaging Het
Ermard A G 17: 15,271,855 (GRCm39) D338G possibly damaging Het
Espl1 T C 15: 102,221,660 (GRCm39) L983P probably damaging Het
Fam83b T A 9: 76,409,403 (GRCm39) Y241F probably benign Het
Fbxl12 G A 9: 20,550,215 (GRCm39) P170S possibly damaging Het
Fsip2 C A 2: 82,807,622 (GRCm39) P1314T possibly damaging Het
Greb1l A G 18: 10,522,144 (GRCm39) R747G probably benign Het
Hspa1a G T 17: 35,189,500 (GRCm39) P468T probably damaging Het
Lamb1 T C 12: 31,356,976 (GRCm39) C1028R probably damaging Het
Lcn8 C T 2: 25,544,198 (GRCm39) A40V possibly damaging Het
Lmbrd2 A G 15: 9,165,906 (GRCm39) Y260C possibly damaging Het
Mex3d G T 10: 80,217,869 (GRCm39) N449K possibly damaging Het
Mgat4f A G 1: 134,317,696 (GRCm39) N156S probably damaging Het
Ncam2 A G 16: 81,309,823 (GRCm39) K438E possibly damaging Het
Nudt7 A G 8: 114,874,625 (GRCm39) probably benign Het
Nup214 C A 2: 31,941,084 (GRCm39) S39* probably null Het
Opn5 A G 17: 42,918,089 (GRCm39) S58P probably damaging Het
Or6c74 T C 10: 129,870,052 (GRCm39) S186P probably damaging Het
Or7e173 T C 9: 19,938,704 (GRCm39) I177V possibly damaging Het
Pcsk1 T A 13: 75,280,426 (GRCm39) N750K probably benign Het
Pdzrn3 T C 6: 101,127,502 (GRCm39) N1055D probably damaging Het
Phf2 T A 13: 48,959,355 (GRCm39) K884* probably null Het
Prkdc A G 16: 15,470,166 (GRCm39) N191S probably benign Het
Prpf8 A T 11: 75,386,472 (GRCm39) Q987L probably damaging Het
Prrc2c G A 1: 162,538,355 (GRCm39) P425L probably damaging Het
Rab36 T C 10: 74,886,520 (GRCm39) I166T possibly damaging Het
Rab3gap1 G T 1: 127,855,745 (GRCm39) L461F possibly damaging Het
Rnls A T 19: 33,368,499 (GRCm39) Y27N possibly damaging Het
Sncaip A T 18: 53,002,006 (GRCm39) I176F possibly damaging Het
Tagap G A 17: 8,151,780 (GRCm39) G322S probably benign Het
Tas2r130 C T 6: 131,607,046 (GRCm39) A250T probably benign Het
Tgs1 A G 4: 3,593,632 (GRCm39) S507G probably null Het
Ttn T C 2: 76,706,056 (GRCm39) probably benign Het
Zp2 T C 7: 119,737,548 (GRCm39) K246E possibly damaging Het
Other mutations in Ext2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01132:Ext2 APN 2 93,621,418 (GRCm39) missense probably benign
IGL01768:Ext2 APN 2 93,621,455 (GRCm39) splice site probably benign
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 2013-12-09