Incidental Mutation 'R4605:Extl1'
ID 500695
Institutional Source Beutler Lab
Gene Symbol Extl1
Ensembl Gene ENSMUSG00000028838
Gene Name exostosin-like glycosyltransferase 1
Synonyms D430033M16Rik
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.285) question?
Stock # R4605 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 134083684-134099893 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 134087145 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 471 (V471A)
Ref Sequence ENSEMBL: ENSMUSP00000030643 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030643]
AlphaFold Q9JKV7
Predicted Effect probably benign
Transcript: ENSMUST00000030643
AA Change: V471A

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000030643
Gene: ENSMUSG00000028838
AA Change: V471A

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: 99.3%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency
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: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankra2 A G 13: 98,402,742 (GRCm39) probably benign Het
Atp9b T A 18: 80,796,364 (GRCm39) probably null Het
Birc6 G A 17: 74,946,929 (GRCm39) D2885N probably damaging Het
Chaf1b A T 16: 93,684,977 (GRCm39) N142I possibly damaging Het
Ckap5 G A 2: 91,406,559 (GRCm39) G787S probably damaging Het
Ctc1 G T 11: 68,920,552 (GRCm39) C372F possibly damaging Het
Dip2b A G 15: 100,107,517 (GRCm39) T1176A probably benign Het
Epha10 A G 4: 124,779,550 (GRCm39) E132G probably damaging Het
Fgd6 T C 10: 93,880,217 (GRCm39) L357P probably benign Het
Gapvd1 A T 2: 34,618,549 (GRCm39) C275S probably damaging Het
Kcnj2 G A 11: 110,963,676 (GRCm39) C356Y probably damaging Het
Kcnk10 T C 12: 98,456,219 (GRCm39) D204G probably damaging Het
Krtap9-1 A C 11: 99,764,579 (GRCm39) E105A unknown Het
Loxhd1 G A 18: 77,493,642 (GRCm39) V668I probably benign Het
Ly86 T C 13: 37,558,987 (GRCm39) I62T possibly damaging Het
Maip1 A G 1: 57,450,891 (GRCm39) I178V probably benign Het
Mical3 G A 6: 121,011,041 (GRCm39) Q386* probably null Het
Or5an11 T C 19: 12,246,532 (GRCm39) *313Q probably null Het
Or5b107 T A 19: 13,142,612 (GRCm39) V78D probably damaging Het
Or5p52 A C 7: 107,502,445 (GRCm39) I174L probably benign Het
Or8j3b G A 2: 86,205,141 (GRCm39) T205I probably benign Het
Pcdha12 T C 18: 37,154,576 (GRCm39) S432P probably damaging Het
Prex1 A T 2: 166,555,464 (GRCm39) Y59N probably benign Het
Sbf1 A G 15: 89,187,684 (GRCm39) F654L probably damaging Het
Sh2d5 T A 4: 137,984,566 (GRCm39) Y187* probably null Het
Slc9a4 T C 1: 40,640,195 (GRCm39) probably null Het
Smyd2 A G 1: 189,629,623 (GRCm39) S136P probably damaging Het
Spata31e2 T C 1: 26,722,267 (GRCm39) K971R probably benign Het
Srsf11 A T 3: 157,728,560 (GRCm39) L115* probably null Het
Tbx19 C T 1: 164,981,153 (GRCm39) V114I possibly damaging Het
Unc5b A G 10: 60,610,182 (GRCm39) V545A probably benign Het
Ush2a A G 1: 188,642,998 (GRCm39) Y4120C probably damaging Het
Vps13a T C 19: 16,617,403 (GRCm39) T3002A probably damaging Het
Zkscan2 A T 7: 123,097,947 (GRCm39) W150R probably damaging 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
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
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'- GCCCAGCTATTACTTGACGTTTTAC -3'
(R):5'- TGGCCTTTAGAGCCAAAGGG -3'

Sequencing Primer
(F):5'- GACTTGGAGGGAACTTGCC -3'
(R):5'- GGAAACTATCACCTAGGCTTGTG -3'
Posted On 2017-12-01