Incidental Mutation 'R4606:Extl1'
ID 346002
Institutional Source Beutler Lab
Gene Symbol Extl1
Ensembl Gene ENSMUSG00000028838
Gene Name exostoses (multiple)-like 1
Synonyms D430033M16Rik
MMRRC Submission 041817-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.283) question?
Stock # R4606 (G1)
Quality Score 225
Status Validated
Chromosome 4
Chromosomal Location 134356372-134383850 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) A to G at 134371379 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 114 (S114P)
Ref Sequence ENSEMBL: ENSMUSP00000030643 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030643]
AlphaFold Q9JKV7
Predicted Effect probably damaging
Transcript: ENSMUST00000030643
AA Change: S114P

PolyPhen 2 Score 0.989 (Sensitivity: 0.72; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000030643
Gene: ENSMUSG00000028838
AA Change: S114P

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
Meta Mutation Damage Score 0.4803 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.0%
Validation Efficiency 96% (69/72)
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: 66 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700011L22Rik A T 8: 79,210,745 (GRCm38) W178R probably benign Het
Abcb5 T C 12: 118,932,610 (GRCm38) probably null Het
Akr1b1 C A 6: 34,306,664 (GRCm38) probably benign Het
Arid1a A G 4: 133,687,323 (GRCm38) F1199S unknown Het
Atp4b A G 8: 13,389,998 (GRCm38) F116S probably damaging Het
Atp6v1b1 T C 6: 83,752,461 (GRCm38) S127P probably damaging Het
Blk C T 14: 63,374,203 (GRCm38) V428I probably benign Het
Ccser1 T C 6: 61,311,584 (GRCm38) S244P probably damaging Het
Ceacam1 T A 7: 25,474,526 (GRCm38) I235F probably damaging Het
Cyp2g1 T A 7: 26,814,154 (GRCm38) Y173N possibly damaging Het
Ddr2 T A 1: 170,001,852 (GRCm38) I278F probably benign Het
Degs1 T C 1: 182,276,823 (GRCm38) D299G probably damaging Het
Dip2b G A 15: 100,215,329 (GRCm38) V1542I possibly damaging Het
Dmxl1 T A 18: 49,962,181 (GRCm38) S2942R probably damaging Het
Dpf1 T A 7: 29,316,590 (GRCm38) probably benign Het
Ephb6 A G 6: 41,616,574 (GRCm38) Y518C probably benign Het
Eps15l1 A T 8: 72,373,916 (GRCm38) F606I possibly damaging Het
Fat1 T C 8: 44,950,683 (GRCm38) V157A possibly damaging Het
Fcho1 A T 8: 71,712,480 (GRCm38) D444E probably benign Het
Fgd3 T A 13: 49,296,560 (GRCm38) D71V probably damaging Het
Fgd5 T A 6: 91,988,209 (GRCm38) D316E possibly damaging Het
Gys2 A T 6: 142,454,484 (GRCm38) F334I possibly damaging Het
Ik G T 18: 36,753,555 (GRCm38) R360L possibly damaging Het
Kazn A C 4: 142,118,288 (GRCm38) probably null Het
Kmt2d A T 15: 98,839,716 (GRCm38) probably benign Het
Krr1 T C 10: 111,975,677 (GRCm38) probably benign Het
Krt87 C T 15: 101,487,049 (GRCm38) E389K probably benign Het
Lrrc4c T C 2: 97,630,313 (GRCm38) V428A probably benign Het
Lvrn C A 18: 46,864,765 (GRCm38) T260K possibly damaging Het
Mcc C T 18: 44,468,421 (GRCm38) E614K probably damaging Het
Msrb3 A T 10: 120,849,997 (GRCm38) V81D probably damaging Het
Muc19 C T 15: 91,934,383 (GRCm38) noncoding transcript Het
Myadm T A 7: 3,297,400 (GRCm38) L226* probably null Het
Myof C T 19: 37,967,099 (GRCm38) V526M probably damaging Het
Nckap5l A G 15: 99,429,323 (GRCm38) probably benign Het
Or1r1 A G 11: 73,983,892 (GRCm38) S239P probably damaging Het
Or4b1 G T 2: 90,148,816 (GRCm38) probably benign Het
Or4c35 C A 2: 89,978,006 (GRCm38) A76D possibly damaging Het
Or9g10 T A 2: 85,753,940 (GRCm38) probably benign Het
Pars2 T C 4: 106,654,050 (GRCm38) V307A probably benign Het
Pcdhb1 T G 18: 37,265,528 (GRCm38) Y177* probably null Het
Pcdhb4 T A 18: 37,308,652 (GRCm38) D338E probably damaging Het
Pik3r2 G A 8: 70,772,136 (GRCm38) R199* probably null Het
Pla2g4f C T 2: 120,313,986 (GRCm38) R24Q probably benign Het
Pnma2 T C 14: 66,916,232 (GRCm38) I35T probably benign Het
Podn C A 4: 108,017,867 (GRCm38) A568S probably benign Het
Pou3f1 A T 4: 124,658,836 (GRCm38) E377V probably damaging Het
Ppfia1 T C 7: 144,485,192 (GRCm38) D494G probably damaging Het
Pramel34 A T 5: 93,636,602 (GRCm38) D137E probably damaging Het
Ptpn9 A T 9: 57,022,211 (GRCm38) T71S possibly damaging Het
Ptprz1 C T 6: 23,001,487 (GRCm38) P1192L possibly damaging Het
Rnd2 C T 11: 101,468,999 (GRCm38) L57F probably damaging Het
Rnf217 T A 10: 31,517,476 (GRCm38) K370* probably null Het
Rpap2 G A 5: 107,601,795 (GRCm38) V62I possibly damaging Het
Scaper A T 9: 55,655,903 (GRCm38) probably null Het
Sos2 T C 12: 69,614,606 (GRCm38) probably benign Het
Sptbn5 C T 2: 120,067,446 (GRCm38) probably null Het
Sumo1 A G 1: 59,644,509 (GRCm38) probably benign Het
Syne2 C A 12: 75,989,253 (GRCm38) N3771K probably damaging Het
Tbx18 T C 9: 87,730,769 (GRCm38) I26V possibly damaging Het
Trpm3 T A 19: 22,978,624 (GRCm38) M1140K probably benign Het
Usp29 G A 7: 6,963,357 (GRCm38) probably null Het
Wdr7 C T 18: 63,779,945 (GRCm38) Q946* probably null Het
Ythdf1 T C 2: 180,912,182 (GRCm38) D46G probably damaging Het
Zfp217 T C 2: 170,119,750 (GRCm38) N219S possibly damaging Het
Zkscan3 A G 13: 21,393,783 (GRCm38) I256T probably benign Het
Other mutations in Extl1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00088:Extl1 APN 4 134,358,019 (GRCm38) missense probably damaging 1.00
IGL01404:Extl1 APN 4 134,359,203 (GRCm38) missense probably benign 0.06
IGL03040:Extl1 APN 4 134,360,629 (GRCm38) splice site probably benign
R0165:Extl1 UTSW 4 134,357,703 (GRCm38) missense probably damaging 1.00
R0566:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0575:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0941:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0943:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0988:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0989:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R0990:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R1022:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R1035:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R1344:Extl1 UTSW 4 134,359,241 (GRCm38) missense probably damaging 0.99
R1495:Extl1 UTSW 4 134,357,677 (GRCm38) unclassified probably benign
R1699:Extl1 UTSW 4 134,364,583 (GRCm38) nonsense probably null
R1750:Extl1 UTSW 4 134,362,688 (GRCm38) missense probably benign 0.00
R1768:Extl1 UTSW 4 134,371,138 (GRCm38) missense probably benign
R1883:Extl1 UTSW 4 134,364,606 (GRCm38) missense probably benign 0.01
R2143:Extl1 UTSW 4 134,371,044 (GRCm38) missense probably benign 0.31
R2144:Extl1 UTSW 4 134,371,044 (GRCm38) missense probably benign 0.31
R2155:Extl1 UTSW 4 134,363,180 (GRCm38) missense possibly damaging 0.71
R4298:Extl1 UTSW 4 134,357,658 (GRCm38) missense probably damaging 1.00
R4605:Extl1 UTSW 4 134,359,834 (GRCm38) missense probably benign 0.00
R4606:Extl1 UTSW 4 134,371,380 (GRCm38) missense probably benign 0.00
R4787:Extl1 UTSW 4 134,364,667 (GRCm38) missense probably damaging 1.00
R5210:Extl1 UTSW 4 134,360,584 (GRCm38) missense probably benign 0.02
R5776:Extl1 UTSW 4 134,357,772 (GRCm38) missense possibly damaging 0.82
R6216:Extl1 UTSW 4 134,363,130 (GRCm38) missense probably benign
R6392:Extl1 UTSW 4 134,364,634 (GRCm38) missense probably benign 0.44
R6674:Extl1 UTSW 4 134,358,127 (GRCm38) missense probably damaging 0.97
R7218:Extl1 UTSW 4 134,359,769 (GRCm38) missense probably benign 0.14
R7779:Extl1 UTSW 4 134,360,597 (GRCm38) missense probably benign 0.25
R7779:Extl1 UTSW 4 134,357,703 (GRCm38) missense probably damaging 1.00
R7795:Extl1 UTSW 4 134,364,679 (GRCm38) missense probably damaging 1.00
R7800:Extl1 UTSW 4 134,371,618 (GRCm38) missense probably benign 0.10
R8472:Extl1 UTSW 4 134,371,292 (GRCm38) missense probably benign
R8977:Extl1 UTSW 4 134,359,124 (GRCm38) missense possibly damaging 0.95
R9079:Extl1 UTSW 4 134,362,664 (GRCm38) missense probably damaging 1.00
X0020:Extl1 UTSW 4 134,358,021 (GRCm38) splice site probably null
Predicted Primers PCR Primer
(F):5'- GATACGGGAGCGCTAAATCG -3'
(R):5'- TTCTCCCAGTCTGAGACGAAC -3'

Sequencing Primer
(F):5'- TAAATCGAAGCCCGGTCG -3'
(R):5'- TCTGAGACGAACCCAGAAGATGTC -3'
Posted On 2015-09-25