Incidental Mutation 'R9079:Extl1'
ID 689891
Institutional Source Beutler Lab
Gene Symbol Extl1
Ensembl Gene ENSMUSG00000028838
Gene Name exostosin-like glycosyltransferase 1
Synonyms D430033M16Rik
MMRRC Submission 068899-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.283) question?
Stock # R9079 (G1)
Quality Score 225.009
Status Validated
Chromosome 4
Chromosomal Location 134083684-134099893 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 134089975 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Tyrosine at position 378 (N378Y)
Ref Sequence ENSEMBL: ENSMUSP00000030643 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030643]
AlphaFold Q9JKV7
Predicted Effect probably damaging
Transcript: ENSMUST00000030643
AA Change: N378Y

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000030643
Gene: ENSMUSG00000028838
AA Change: N378Y

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
Meta Mutation Damage Score 0.7562 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.4%
Validation Efficiency 98% (51/52)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atad2 A T 15: 57,989,223 (GRCm39) S212R probably benign Het
Bcl9 A T 3: 97,112,816 (GRCm39) V1213E probably damaging Het
Brd1 T C 15: 88,598,153 (GRCm39) D531G probably damaging Het
Cd1d1 T A 3: 86,906,197 (GRCm39) Y26F probably benign Het
Cep83 T C 10: 94,564,541 (GRCm39) F160S possibly damaging Het
Cfap61 G T 2: 145,781,859 (GRCm39) V31F probably benign Het
Cox11 G A 11: 90,535,246 (GRCm39) M232I probably damaging Het
Cpne7 C T 8: 123,856,951 (GRCm39) P402L probably damaging Het
Cubn A G 2: 13,291,914 (GRCm39) S3304P probably benign Het
Eif4b T A 15: 102,003,177 (GRCm39) D549E unknown Het
Fbxo4 C T 15: 3,998,388 (GRCm39) probably null Het
Fhip1a C A 3: 85,579,590 (GRCm39) G872* probably null Het
G430095P16Rik A T 8: 85,453,412 (GRCm39) H133L unknown Het
Gm8138 A T 14: 43,272,502 (GRCm39) N104K Het
Gzma A G 13: 113,232,858 (GRCm39) F78S probably benign Het
Hars2 T C 18: 36,923,190 (GRCm39) S400P possibly damaging Het
Hnrnpm G T 17: 33,868,775 (GRCm39) R551S probably damaging Het
Htr5b T A 1: 121,455,816 (GRCm39) T35S probably benign Het
Jak3 A C 8: 72,131,898 (GRCm39) E158A probably benign Het
Kctd16 A G 18: 40,390,080 (GRCm39) probably benign Het
Kdm4c C A 4: 74,277,738 (GRCm39) D797E probably benign Het
Klhl31 T A 9: 77,558,151 (GRCm39) V289E probably damaging Het
Loxhd1 T C 18: 77,490,593 (GRCm39) S1398P probably benign Het
Matn4 A T 2: 164,235,473 (GRCm39) probably benign Het
Mrps28 A G 3: 8,867,308 (GRCm39) *187Q probably null Het
Myh7b G A 2: 155,465,174 (GRCm39) V677I probably damaging Het
Naip1 A T 13: 100,559,727 (GRCm39) D1092E probably benign Het
Nicn1 C T 9: 108,171,708 (GRCm39) R163C possibly damaging Het
Notch3 A T 17: 32,383,033 (GRCm39) probably benign Het
Nr1h2 C A 7: 44,199,430 (GRCm39) E440D possibly damaging Het
Or1l4b T C 2: 37,036,989 (GRCm39) V255A probably damaging Het
Or6c207 A T 10: 129,104,466 (GRCm39) M242K possibly damaging Het
Or7g16 A T 9: 18,726,731 (GRCm39) N286K probably damaging Het
Or8g2b T A 9: 39,750,769 (GRCm39) I13N probably benign Het
Osbpl9 A T 4: 108,920,644 (GRCm39) V543D possibly damaging Het
Pcgf6 T C 19: 47,039,053 (GRCm39) E69G possibly damaging Het
Piezo2 A G 18: 63,157,537 (GRCm39) L2391P probably damaging Het
Rcn2 T A 9: 55,952,393 (GRCm39) probably benign Het
Ripor2 G A 13: 24,915,637 (GRCm39) R1069H probably benign Het
Ro60 A C 1: 143,641,519 (GRCm39) L314R probably damaging Het
Rsf1 ATGGCG ATGGCGACGGTGGCG 7: 97,229,111 (GRCm39) probably benign Het
Senp5 A T 16: 31,787,718 (GRCm39) I635N probably damaging Het
Slc30a9 A T 5: 67,484,241 (GRCm39) K126M possibly damaging Het
Slc9b2 A T 3: 135,042,150 (GRCm39) R476S probably damaging Het
Sptb G T 12: 76,677,454 (GRCm39) R127S probably damaging Het
Svil T C 18: 5,056,308 (GRCm39) S394P probably benign Het
Tjp1 A T 7: 64,950,966 (GRCm39) I1636N possibly damaging Het
Tlcd5 C T 9: 43,022,664 (GRCm39) R230Q probably benign Het
Trio T C 15: 27,733,023 (GRCm39) I2953V possibly damaging Het
Ttn A G 2: 76,632,734 (GRCm39) F14107L probably damaging Het
Usp20 A G 2: 30,895,120 (GRCm39) probably benign Het
Vmn1r123 A T 7: 20,896,979 (GRCm39) L290F probably benign Het
Vmn1r202 T C 13: 22,685,602 (GRCm39) M272V probably benign Het
Vmn2r97 A T 17: 19,149,640 (GRCm39) N343Y probably benign Het
Wdr90 A T 17: 26,076,403 (GRCm39) W45R 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
R6392:Extl1 UTSW 4 134,091,945 (GRCm39) missense probably benign 0.44
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
X0020:Extl1 UTSW 4 134,085,332 (GRCm39) splice site probably null
Predicted Primers PCR Primer
(F):5'- CTTTGGATAGCGACCTTTGCTG -3'
(R):5'- TAGTAGTCATCTCCGCCCAC -3'

Sequencing Primer
(F):5'- ATAGCGACCTTTGCTGGGGAAC -3'
(R):5'- GCCCACATCCTTCTCTTTAGG -3'
Posted On 2021-11-19