Mutagenetix > Incidental Mutation

Incidental Mutation 'R1743:Ext2'

200478

Institutional Source

Beutler Lab

Gene Symbol

Ext2

Ensembl Gene

ENSMUSG00000027198

Gene Name

exostosin glycosyltransferase 2

Synonyms

MMRRC Submission

039775-MU

Accession Numbers

Essential gene?

Essential (E-score: 1.000) question?

Stock #

R1743 (G1)

Quality Score

225

Status

Not validated

Chromosome

Chromosomal Location

93525978-93652913 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

T to C at 93560570 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Glutamic Acid to Glycine at position 532 (E532G)

Ref Sequence

ENSEMBL: ENSMUSP00000138956 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000028623] [ENSMUST00000125407] [ENSMUST00000184931]

AlphaFold

P70428

Predicted Effect

probably damaging
Transcript: ENSMUST00000028623
AA Change: E532G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)

SMART Domains

Protein: ENSMUSP00000028623
Gene: ENSMUSG00000027198
AA Change: E532G

Domain	Start	End	E-Value	Type
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: ENSMUST00000123649

Predicted Effect

probably benign
Transcript: ENSMUST00000125407

SMART Domains

Protein: ENSMUSP00000120291
Gene: ENSMUSG00000027198

Domain	Start	End	E-Value	Type
transmembrane domain	24	46	N/A	INTRINSIC
Pfam:Exostosin	100	380	8.8e-59	PFAM

Predicted Effect

probably damaging
Transcript: ENSMUST00000184931
AA Change: E532G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)

SMART Domains

Protein: ENSMUSP00000138956
Gene: ENSMUSG00000027198
AA Change: E532G

Domain	Start	End	E-Value	Type
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

1x: 97.4%
3x: 96.8%
10x: 95.1%
20x: 91.7%

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: 72 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
Aff4	T	A	11: 53,259,522 (GRCm39)	M11K	possibly damaging	Het
Ank2	T	C	3: 126,722,324 (GRCm39)	D88G	probably damaging	Het
Arhgap32	A	G	9: 32,170,727 (GRCm39)	E1169G	probably benign	Het
Atp7b	A	T	8: 22,496,403 (GRCm39)	V865E	probably damaging	Het
Bcl2l13	T	A	6: 120,825,504 (GRCm39)	Y13*	probably null	Het
Birc6	A	G	17: 74,886,751 (GRCm39)	Q693R	possibly damaging	Het
Bub1	T	C	2: 127,655,770 (GRCm39)	D520G	probably damaging	Het
Ccdc15	A	T	9: 37,188,773 (GRCm39)	Y770*	probably null	Het
Cenpf	T	C	1: 189,386,460 (GRCm39)	E1940G	probably benign	Het
Cep295	C	T	9: 15,252,179 (GRCm39)	E397K	probably damaging	Het
Cmya5	A	G	13: 93,233,825 (GRCm39)	V421A	probably benign	Het
Cnnm1	A	T	19: 43,460,352 (GRCm39)	Y698F	possibly damaging	Het
Cnst	C	T	1: 179,437,957 (GRCm39)	T507I	probably benign	Het
Coq8a	T	C	1: 180,009,794 (GRCm39)	M4V	probably benign	Het
Csmd3	A	G	15: 48,485,485 (GRCm39)	L140P	probably damaging	Het
Cul2	A	T	18: 3,426,851 (GRCm39)	I431F	probably damaging	Het
Dnah8	G	T	17: 30,988,625 (GRCm39)	E3198D	probably benign	Het
Dnai3	C	A	3: 145,803,017 (GRCm39)	R58L	possibly damaging	Het
Epn2	T	A	11: 61,437,237 (GRCm39)	I112F	possibly damaging	Het
Fndc3a	A	T	14: 72,889,521 (GRCm39)	V37E	probably damaging	Het
Gabbr2	A	G	4: 46,677,603 (GRCm39)	F759S	possibly damaging	Het
Ghr	G	A	15: 3,349,723 (GRCm39)	P485L	probably benign	Het
Glipr1l2	G	T	10: 111,928,470 (GRCm39)	V122L	probably benign	Het
Gm10608	CAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGA	CAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGAGA	9: 118,989,784 (GRCm39)		probably benign	Het
Gm6871	G	T	7: 41,195,876 (GRCm39)	T287K	probably damaging	Het
Gm7275	A	G	16: 47,894,120 (GRCm39)		noncoding transcript	Het
Hephl1	C	T	9: 15,001,364 (GRCm39)	V254I	probably damaging	Het
Hnf4a	C	A	2: 163,408,259 (GRCm39)	Q362K	possibly damaging	Het
Kcne3	C	T	7: 99,833,631 (GRCm39)	R83C	probably damaging	Het
Klb	C	A	5: 65,533,204 (GRCm39)	N504K	probably damaging	Het
Loxl2	T	A	14: 69,929,851 (GRCm39)	I743N	possibly damaging	Het
Lrrc9	A	T	12: 72,502,891 (GRCm39)	L287F	probably damaging	Het
Mcm3ap	C	T	10: 76,320,508 (GRCm39)	P822L	possibly damaging	Het
Nacc2	T	C	2: 25,950,155 (GRCm39)	N527S	probably benign	Het
Ncam1	G	T	9: 49,468,445 (GRCm39)	P338H	probably damaging	Het
Nfkbiz	G	T	16: 55,636,757 (GRCm39)	Q515K	possibly damaging	Het
Nipsnap2	T	C	5: 129,834,149 (GRCm39)	L263P	probably damaging	Het
Nlrp1a	A	T	11: 71,015,032 (GRCm39)	S73T	probably benign	Het
Nomo1	G	A	7: 45,719,461 (GRCm39)		probably null	Het
Nos3	G	A	5: 24,582,310 (GRCm39)	G594D	probably benign	Het
Oprm1	A	G	10: 6,780,105 (GRCm39)	I256V	probably damaging	Het
Or10ak16	A	G	4: 118,750,723 (GRCm39)	T148A	probably benign	Het
Or10n1	A	T	9: 39,524,916 (GRCm39)	T18S	possibly damaging	Het
Or2b2	A	G	13: 21,887,620 (GRCm39)	I150V	probably benign	Het
Oxct2a	A	T	4: 123,217,309 (GRCm39)	L24Q	possibly damaging	Het
Pcdhb14	T	G	18: 37,581,231 (GRCm39)	S112R	probably benign	Het
Polr2a	A	G	11: 69,630,329 (GRCm39)	I1246T	probably damaging	Het
Ppil4	A	T	10: 7,683,145 (GRCm39)	K327N	probably damaging	Het
Pramel30	T	C	4: 144,059,575 (GRCm39)	S429P	probably benign	Het
Pstpip1	T	C	9: 56,033,214 (GRCm39)	Y249H	probably damaging	Het
Qrsl1	A	T	10: 43,757,511 (GRCm39)	V369E	probably damaging	Het
Ranbp10	G	T	8: 106,506,610 (GRCm39)	P237T	probably damaging	Het
Rapgef6	A	G	11: 54,567,110 (GRCm39)	N1097S	probably damaging	Het
Repin1	T	A	6: 48,574,684 (GRCm39)	S538T	probably damaging	Het
Rims2	A	T	15: 39,543,046 (GRCm39)	M1151L	probably benign	Het
Rin3	T	A	12: 102,356,355 (GRCm39)	D965E	possibly damaging	Het
Sdc2	A	G	15: 33,028,224 (GRCm39)	D114G	probably benign	Het
Slc25a30	C	A	14: 76,012,523 (GRCm39)	A42S	probably benign	Het
Sphkap	G	A	1: 83,255,236 (GRCm39)	R838*	probably null	Het
Ssh2	T	A	11: 77,328,582 (GRCm39)	F383I	probably damaging	Het
St8sia1	A	T	6: 142,774,742 (GRCm39)	V279E	probably damaging	Het
Tacc2	C	A	7: 130,228,328 (GRCm39)	S1690*	probably null	Het
Taf1b	A	G	12: 24,597,177 (GRCm39)	D372G	possibly damaging	Het
Timm21	G	C	18: 84,967,387 (GRCm39)	L130V	probably damaging	Het
Tmem165	G	T	5: 76,355,673 (GRCm39)	G272C	probably damaging	Het
Tsc22d2	TCAGTTAACACCTATGAACAGT	TCAGT	3: 58,324,960 (GRCm39)		probably null	Het
Tssk4	C	A	14: 55,888,488 (GRCm39)	A119D	probably damaging	Het
Usp9y	A	G	Y: 1,316,727 (GRCm39)	Y1941H	probably damaging	Het
Vmn2r42	A	T	7: 8,187,264 (GRCm39)	M786K	probably benign	Het
Wdfy3	G	T	5: 101,991,931 (GRCm39)	T3470K	probably benign	Het
Zc3h14	T	C	12: 98,745,448 (GRCm39)	V479A	probably benign	Het
Zfp821	G	A	8: 110,450,796 (GRCm39)	R263Q	probably damaging	Het

Other mutations in Ext2

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH 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
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
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

Predicted Primers

PCR Primer
(F):5'- GCGGTCCCCAGGACTTAAAAGATAC -3'
(R):5'- GCTGGAAACACTTGAGAATTGGCAG -3'

Sequencing Primer
(F):5'- GGACTTAAAAGATACCTTCACAGC -3'
(R):5'- gatagtgcctcggtgagac -3'

Posted On

2014-05-23