Incidental Mutation 'R6392:Extl1'
ID 515798
Institutional Source Beutler Lab
Gene Symbol Extl1
Ensembl Gene ENSMUSG00000028838
Gene Name exostosin-like glycosyltransferase 1
Synonyms D430033M16Rik
MMRRC Submission 044541-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.283) question?
Stock # R6392 (G1)
Quality Score 196.009
Status Validated
Chromosome 4
Chromosomal Location 134083684-134099893 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 134091945 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 303 (V303I)
Ref Sequence ENSEMBL: ENSMUSP00000030643 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030643]
AlphaFold Q9JKV7
Predicted Effect probably benign
Transcript: ENSMUST00000030643
AA Change: V303I

PolyPhen 2 Score 0.440 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000030643
Gene: ENSMUSG00000028838
AA Change: V303I

DomainStartEndE-ValueType
transmembrane domain 7 29 N/A INTRINSIC
Pfam:Exostosin 87 329 2.1e-38 PFAM
Pfam:Glyco_transf_64 412 652 1.7e-84 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000132387
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142730
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.8%
  • 10x: 98.9%
  • 20x: 96.1%
Validation Efficiency 96% (47/49)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the multiple exostoses (EXT) family of glycosyltransferases, which function in the chain polymerization of heparan sulfate and heparin. The encoded protein harbors alpha 1,4- N-acetylglucosaminyltransferase activity, and is involved in chain elongation of heparan sulfate and possibly heparin. [provided by RefSeq, Jul 2008]
Allele List at MGI
Other mutations in this stock
Total: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aars2 A T 17: 45,825,526 (GRCm39) I330F probably damaging Het
Abcc9 A G 6: 142,627,825 (GRCm39) S402P probably damaging Het
Ada A G 2: 163,570,137 (GRCm39) L292P probably damaging Het
Adam34l A T 8: 44,079,038 (GRCm39) N395K probably benign Het
Adra1d T C 2: 131,403,529 (GRCm39) D187G probably damaging Het
AI467606 C A 7: 126,691,717 (GRCm39) Y97* probably null Het
Arid2 A G 15: 96,259,483 (GRCm39) E245G probably damaging Het
Ccdc78 C G 17: 26,007,148 (GRCm39) Q213E probably damaging Het
Cntnap1 G T 11: 101,077,472 (GRCm39) D1045Y probably damaging Het
Ctcf T C 8: 106,390,765 (GRCm39) V124A probably damaging Het
Cutc T C 19: 43,748,489 (GRCm39) S129P possibly damaging Het
Dhx36 T C 3: 62,401,790 (GRCm39) I308V probably benign Het
Disp2 T C 2: 118,621,230 (GRCm39) V654A probably damaging Het
Esm1 G A 13: 113,346,283 (GRCm39) probably benign Het
Ezh1 G T 11: 101,094,630 (GRCm39) D387E probably damaging Het
Fbf1 T A 11: 116,043,775 (GRCm39) probably null Het
Fbxl12 T C 9: 20,550,472 (GRCm39) H84R probably damaging Het
Fbxo6 C T 4: 148,230,462 (GRCm39) V267I probably benign Het
Helz G T 11: 107,493,167 (GRCm39) A197S possibly damaging Het
Ikbke T C 1: 131,202,883 (GRCm39) probably null Het
Kbtbd13 A G 9: 65,297,619 (GRCm39) F439S possibly damaging Het
Kif7 G A 7: 79,351,934 (GRCm39) R943W probably damaging Het
Lrp12 C T 15: 39,735,415 (GRCm39) C839Y probably damaging Het
Matr3 A G 18: 35,717,894 (GRCm39) D364G probably benign Het
Ncam1 T C 9: 49,434,875 (GRCm39) K624E probably damaging Het
Nup205 T C 6: 35,166,820 (GRCm39) S280P possibly damaging Het
Or4a66 A T 2: 88,531,011 (GRCm39) Y221N probably damaging Het
Or52a33 A C 7: 103,288,889 (GRCm39) C153G probably benign Het
Pira2 A T 7: 3,846,901 (GRCm39) S214T possibly damaging Het
Prss3b T C 6: 41,009,306 (GRCm39) Y176C probably damaging Het
Ptpn4 T A 1: 119,700,853 (GRCm39) I30F probably benign Het
Rnf144a T C 12: 26,360,779 (GRCm39) I253V possibly damaging Het
Sh3pxd2b T A 11: 32,373,302 (GRCm39) L823Q possibly damaging Het
Sh3rf3 A T 10: 58,842,898 (GRCm39) D288V probably damaging Het
Shprh T A 10: 11,054,485 (GRCm39) Y1031* probably null Het
Sidt1 T C 16: 44,111,657 (GRCm39) T173A possibly damaging Het
Smc1b C T 15: 84,976,232 (GRCm39) R825Q probably benign Het
Ssh3 C T 19: 4,315,399 (GRCm39) R309H probably benign Het
Tagap G T 17: 8,152,893 (GRCm39) G693W probably damaging Het
Tango2 T A 16: 18,119,403 (GRCm39) I143F probably damaging Het
Thsd7a T C 6: 12,468,928 (GRCm39) H550R probably damaging Het
Tmem131 T A 1: 36,920,423 (GRCm39) Q92H probably benign Het
Tnfrsf21 T C 17: 43,327,979 (GRCm39) L31P probably benign Het
Ttn A T 2: 76,730,487 (GRCm39) probably benign Het
Ubash3b T C 9: 40,926,268 (GRCm39) D493G probably damaging Het
Unc13a C T 8: 72,090,453 (GRCm39) G1411D possibly damaging Het
Vmn2r106 C T 17: 20,488,725 (GRCm39) C558Y probably damaging Het
Zfc3h1 A T 10: 115,237,653 (GRCm39) R477S probably damaging Het
Zfp87 C T 13: 67,664,986 (GRCm39) R492K probably benign Het
Other mutations in Extl1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00088:Extl1 APN 4 134,085,330 (GRCm39) missense probably damaging 1.00
IGL01404:Extl1 APN 4 134,086,514 (GRCm39) missense probably benign 0.06
IGL03040:Extl1 APN 4 134,087,940 (GRCm39) splice site probably benign
R0165:Extl1 UTSW 4 134,085,014 (GRCm39) missense probably damaging 1.00
R0566:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0575:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0941:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0943:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0988:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0989:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R0990:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R1022:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R1035:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R1344:Extl1 UTSW 4 134,086,552 (GRCm39) missense probably damaging 0.99
R1495:Extl1 UTSW 4 134,084,988 (GRCm39) unclassified probably benign
R1699:Extl1 UTSW 4 134,091,894 (GRCm39) nonsense probably null
R1750:Extl1 UTSW 4 134,089,999 (GRCm39) missense probably benign 0.00
R1768:Extl1 UTSW 4 134,098,449 (GRCm39) missense probably benign
R1883:Extl1 UTSW 4 134,091,917 (GRCm39) missense probably benign 0.01
R2143:Extl1 UTSW 4 134,098,355 (GRCm39) missense probably benign 0.31
R2144:Extl1 UTSW 4 134,098,355 (GRCm39) missense probably benign 0.31
R2155:Extl1 UTSW 4 134,090,491 (GRCm39) missense possibly damaging 0.71
R4298:Extl1 UTSW 4 134,084,969 (GRCm39) missense probably damaging 1.00
R4605:Extl1 UTSW 4 134,087,145 (GRCm39) missense probably benign 0.00
R4606:Extl1 UTSW 4 134,098,691 (GRCm39) missense probably benign 0.00
R4606:Extl1 UTSW 4 134,098,690 (GRCm39) missense probably damaging 0.99
R4787:Extl1 UTSW 4 134,091,978 (GRCm39) missense probably damaging 1.00
R5210:Extl1 UTSW 4 134,087,895 (GRCm39) missense probably benign 0.02
R5776:Extl1 UTSW 4 134,085,083 (GRCm39) missense possibly damaging 0.82
R6216:Extl1 UTSW 4 134,090,441 (GRCm39) missense probably benign
R6674:Extl1 UTSW 4 134,085,438 (GRCm39) missense probably damaging 0.97
R7218:Extl1 UTSW 4 134,087,080 (GRCm39) missense probably benign 0.14
R7779:Extl1 UTSW 4 134,087,908 (GRCm39) missense probably benign 0.25
R7779:Extl1 UTSW 4 134,085,014 (GRCm39) missense probably damaging 1.00
R7795:Extl1 UTSW 4 134,091,990 (GRCm39) missense probably damaging 1.00
R7800:Extl1 UTSW 4 134,098,929 (GRCm39) missense probably benign 0.10
R8472:Extl1 UTSW 4 134,098,603 (GRCm39) missense probably benign
R8977:Extl1 UTSW 4 134,086,435 (GRCm39) missense possibly damaging 0.95
R9079:Extl1 UTSW 4 134,089,975 (GRCm39) missense probably damaging 1.00
X0020:Extl1 UTSW 4 134,085,332 (GRCm39) splice site probably null
Predicted Primers PCR Primer
(F):5'- ACTACATCTATGACTGCCCTAGAGG -3'
(R):5'- GATATTCCCCAGCCTCAGTACC -3'

Sequencing Primer
(F):5'- CCTAGAGGGAAGCAATAGGTATAAG -3'
(R):5'- AGATTCTGGGCACATGCAC -3'
Posted On 2018-05-04