Incidental Mutation 'R4079:Enpp1'
ID 316758
Institutional Source Beutler Lab
Gene Symbol Enpp1
Ensembl Gene ENSMUSG00000037370
Gene Name ectonucleotide pyrophosphatase/phosphodiesterase 1
Synonyms PC-1, E-NPP1, Npps, Pca, Pdnp1, CD203c, twy, NPP1, 4833416E15Rik, Pca-1, Ly-41
MMRRC Submission 040976-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R4079 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation critical splice donor site (2 bp from exon)
DNA Base Change (assembly) A to G at 24544905 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000114273 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039882] [ENSMUST00000105520] [ENSMUST00000135846]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000039882
SMART Domains Protein: ENSMUSP00000046090
Gene: ENSMUSG00000037370

DomainStartEndE-ValueType
low complexity region 22 34 N/A INTRINSIC
low complexity region 59 69 N/A INTRINSIC
SO 86 126 2.17e-14 SMART
SO 127 170 1.51e-13 SMART
Pfam:Phosphodiest 194 358 1e-44 PFAM
Predicted Effect probably null
Transcript: ENSMUST00000105520
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370

DomainStartEndE-ValueType
low complexity region 22 34 N/A INTRINSIC
transmembrane domain 57 79 N/A INTRINSIC
SO 86 126 2.17e-14 SMART
SO 127 170 1.51e-13 SMART
Pfam:Phosphodiest 194 520 1.8e-87 PFAM
Endonuclease_NS 655 873 5.33e-15 SMART
NUC 656 887 3.62e-107 SMART
Predicted Effect probably null
Transcript: ENSMUST00000135846
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370

DomainStartEndE-ValueType
low complexity region 22 34 N/A INTRINSIC
transmembrane domain 57 79 N/A INTRINSIC
SO 86 126 2.17e-14 SMART
SO 127 170 1.51e-13 SMART
Pfam:Phosphodiest 194 520 4.2e-91 PFAM
Endonuclease_NS 656 874 5.33e-15 SMART
NUC 657 888 3.62e-107 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142974
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150570
Meta Mutation Damage Score 0.9488 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 97% (73/75)
MGI Phenotype FUNCTION: This gene encodes a member of the nucleoside pyrophosphatase/phosphodiesterase family of enzymes that catalyzes the hydrolysis of pyrophosphate and phosphodiester bonds in nucleotide triphosphates and oligonucleotides, respectively, to generate nucleoside 5'-monophosphates. The encoded protein is a type II transmembrane glycoprotein that negatively regulates bone mineralization. Mice harboring a nonsense mutation in this gene, termed tiptoe walking (ttw), exhibit ectopic ossification of the spinal ligaments. The encoded protein binds to the insulin receptor, inhibits downstream signaling events and induces insulin resistance and glucose tolerance. This gene is located adjacent to a paralog on chromosome 10. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Apr 2015]
PHENOTYPE: Mice homozygous for a null allele develop hyperostosis leading to ossific intervertebral fusion, peripheral joint ankylosis and tendon calcification, and display spontaneous arterial and articular cartilage calcification, and altered adipocyte maturation. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ago3 C G 4: 126,247,473 (GRCm39) probably null Het
Ankfy1 C A 11: 72,580,835 (GRCm39) probably benign Het
Ap4b1 T A 3: 103,720,694 (GRCm39) N121K probably damaging Het
Arhgef12 T C 9: 42,886,588 (GRCm39) M1131V probably damaging Het
Arl5c A T 11: 97,884,327 (GRCm39) I88N probably damaging Het
Armc9 A T 1: 86,140,851 (GRCm39) probably benign Het
Bnc1 T C 7: 81,623,508 (GRCm39) E573G probably damaging Het
Btaf1 A G 19: 36,963,879 (GRCm39) T817A probably benign Het
C3 C T 17: 57,512,303 (GRCm39) D1542N possibly damaging Het
Cadm3 A G 1: 173,169,236 (GRCm39) V293A probably benign Het
Cadps C T 14: 12,457,702 (GRCm38) A1060T probably benign Het
Cbfa2t3 A G 8: 123,374,434 (GRCm39) probably null Het
Ccdc18 C T 5: 108,306,394 (GRCm39) Q270* probably null Het
Cdc45 A T 16: 18,630,110 (GRCm39) V19D probably damaging Het
Cfap57 C A 4: 118,456,194 (GRCm39) S500I probably benign Het
Cnga3 A T 1: 37,280,946 (GRCm39) Q47L possibly damaging Het
Corin T C 5: 72,661,226 (GRCm39) D89G probably benign Het
Cox16 A T 12: 81,521,109 (GRCm39) probably benign Het
Cyp2a4 A G 7: 26,006,791 (GRCm39) N50S probably benign Het
Diaph1 T A 18: 37,986,636 (GRCm39) E1116D possibly damaging Het
Dlg5 T C 14: 24,198,328 (GRCm39) D1535G possibly damaging Het
F13b T A 1: 139,429,508 (GRCm39) F9I unknown Het
Fcer1a C T 1: 173,052,920 (GRCm39) C36Y probably damaging Het
Fcho2 A G 13: 98,892,120 (GRCm39) V318A probably damaging Het
Fzd9 A G 5: 135,278,490 (GRCm39) V465A probably benign Het
Hbs1l T C 10: 21,228,501 (GRCm39) V493A probably damaging Het
Hgs T A 11: 120,373,874 (GRCm39) S723T probably benign Het
Hnrnpul1 C T 7: 25,426,300 (GRCm39) R517Q probably damaging Het
Kpna7 A G 5: 144,942,737 (GRCm39) I83T possibly damaging Het
Llgl1 C A 11: 60,601,110 (GRCm39) probably null Het
Lrig3 A C 10: 125,845,656 (GRCm39) E695A probably damaging Het
Lrpap1 A G 5: 35,253,381 (GRCm39) I261T possibly damaging Het
Mfn1 T G 3: 32,596,998 (GRCm39) L152W probably damaging Het
Mog A G 17: 37,323,302 (GRCm39) F212S probably damaging Het
Mpeg1 A G 19: 12,439,634 (GRCm39) N364S probably damaging Het
Mtmr3 C T 11: 4,441,057 (GRCm39) R531Q probably damaging Het
Mx2 A G 16: 97,357,236 (GRCm39) N443S probably damaging Het
Nfatc3 T C 8: 106,806,123 (GRCm39) Y323H probably damaging Het
Nup188 G A 2: 30,199,890 (GRCm39) D305N probably damaging Het
Obscn A G 11: 58,929,189 (GRCm39) V6145A probably benign Het
Or52x1 A T 7: 104,853,228 (GRCm39) H107Q probably damaging Het
Or8u10 A G 2: 85,915,656 (GRCm39) V155A possibly damaging Het
Patl1 C T 19: 11,908,994 (GRCm39) A467V probably damaging Het
Pdss2 A T 10: 43,278,518 (GRCm39) M342L probably benign Het
Phax A G 18: 56,709,051 (GRCm39) N183S possibly damaging Het
Pnck A T X: 72,701,761 (GRCm39) V93E probably damaging Het
Prol1 A G 5: 88,476,075 (GRCm39) N155S unknown Het
Ptprk G A 10: 28,139,508 (GRCm39) V78I probably benign Het
Ptpru A T 4: 131,526,021 (GRCm39) probably null Het
Ptprv A G 1: 135,038,168 (GRCm39) noncoding transcript Het
Ranbp3l A G 15: 9,060,838 (GRCm39) N233S probably damaging Het
Rapgefl1 A G 11: 98,740,803 (GRCm39) T552A probably benign Het
Rasgrp1 A G 2: 117,115,510 (GRCm39) S693P probably benign Het
Scyl2 A T 10: 89,476,458 (GRCm39) M889K probably benign Het
Serpina3a C T 12: 104,085,934 (GRCm39) Q320* probably null Het
Slc12a1 A T 2: 125,042,543 (GRCm39) N733I possibly damaging Het
Snap47 C T 11: 59,319,377 (GRCm39) V254I probably benign Het
Speer4e2 A T 5: 15,027,663 (GRCm39) L71Q probably damaging Het
St6galnac2 A T 11: 116,572,724 (GRCm39) L244Q possibly damaging Het
Syce1 C A 7: 140,359,809 (GRCm39) L83F probably damaging Het
Tjp2 A T 19: 24,086,182 (GRCm39) V780E possibly damaging Het
Tns1 G A 1: 74,034,467 (GRCm39) R192C probably damaging Het
Trav6-3 T C 14: 53,667,537 (GRCm39) L3P possibly damaging Het
Ung G T 5: 114,268,684 (GRCm39) probably null Het
Usp32 T A 11: 84,930,055 (GRCm39) Y574F probably damaging Het
Other mutations in Enpp1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00392:Enpp1 APN 10 24,521,325 (GRCm39) missense possibly damaging 0.93
IGL00966:Enpp1 APN 10 24,529,929 (GRCm39) missense probably damaging 1.00
IGL01364:Enpp1 APN 10 24,540,512 (GRCm39) missense probably damaging 1.00
IGL02040:Enpp1 APN 10 24,531,754 (GRCm39) missense probably damaging 1.00
IGL02143:Enpp1 APN 10 24,553,872 (GRCm39) missense probably damaging 1.00
IGL02631:Enpp1 APN 10 24,517,859 (GRCm39) missense probably damaging 1.00
IGL02655:Enpp1 APN 10 24,553,872 (GRCm39) missense probably damaging 1.00
IGL02677:Enpp1 APN 10 24,555,083 (GRCm39) splice site probably benign
IGL02691:Enpp1 APN 10 24,587,790 (GRCm39) missense probably damaging 0.99
IGL02966:Enpp1 APN 10 24,536,172 (GRCm39) missense probably damaging 1.00
IGL03087:Enpp1 APN 10 24,531,779 (GRCm39) splice site probably benign
IGL03330:Enpp1 APN 10 24,540,804 (GRCm39) splice site probably benign
IGL03365:Enpp1 APN 10 24,544,923 (GRCm39) missense probably damaging 1.00
IGL03377:Enpp1 APN 10 24,536,181 (GRCm39) critical splice acceptor site probably null
PIT4651001:Enpp1 UTSW 10 24,529,848 (GRCm39) missense probably benign 0.16
R0011:Enpp1 UTSW 10 24,545,900 (GRCm39) nonsense probably null
R0201:Enpp1 UTSW 10 24,529,815 (GRCm39) missense probably benign 0.00
R0496:Enpp1 UTSW 10 24,547,950 (GRCm39) missense probably benign 0.18
R1228:Enpp1 UTSW 10 24,521,310 (GRCm39) missense probably benign 0.30
R1536:Enpp1 UTSW 10 24,517,732 (GRCm39) missense probably benign 0.27
R1927:Enpp1 UTSW 10 24,530,786 (GRCm39) missense possibly damaging 0.65
R2051:Enpp1 UTSW 10 24,587,702 (GRCm39) critical splice donor site probably null
R2057:Enpp1 UTSW 10 24,536,090 (GRCm39) missense probably damaging 0.98
R2353:Enpp1 UTSW 10 24,527,239 (GRCm39) missense probably benign 0.24
R4077:Enpp1 UTSW 10 24,544,905 (GRCm39) critical splice donor site probably null
R4739:Enpp1 UTSW 10 24,555,146 (GRCm39) missense probably null 0.99
R4740:Enpp1 UTSW 10 24,555,146 (GRCm39) missense probably null 0.99
R4761:Enpp1 UTSW 10 24,517,849 (GRCm39) missense possibly damaging 0.94
R4822:Enpp1 UTSW 10 24,537,833 (GRCm39) missense possibly damaging 0.74
R4919:Enpp1 UTSW 10 24,523,983 (GRCm39) missense probably benign 0.01
R5140:Enpp1 UTSW 10 24,528,750 (GRCm39) missense possibly damaging 0.51
R5302:Enpp1 UTSW 10 24,527,288 (GRCm39) missense probably benign
R5421:Enpp1 UTSW 10 24,545,655 (GRCm39) missense probably damaging 1.00
R5695:Enpp1 UTSW 10 24,530,806 (GRCm39) missense probably damaging 0.99
R5735:Enpp1 UTSW 10 24,530,817 (GRCm39) missense possibly damaging 0.92
R5789:Enpp1 UTSW 10 24,523,137 (GRCm39) missense probably benign
R5942:Enpp1 UTSW 10 24,551,966 (GRCm39) nonsense probably null
R6048:Enpp1 UTSW 10 24,536,152 (GRCm39) missense probably damaging 1.00
R6053:Enpp1 UTSW 10 24,533,024 (GRCm39) missense possibly damaging 0.93
R6305:Enpp1 UTSW 10 24,517,780 (GRCm39) missense probably damaging 1.00
R6319:Enpp1 UTSW 10 24,523,929 (GRCm39) missense probably damaging 1.00
R6624:Enpp1 UTSW 10 24,545,653 (GRCm39) nonsense probably null
R6793:Enpp1 UTSW 10 24,531,723 (GRCm39) missense probably damaging 1.00
R6936:Enpp1 UTSW 10 24,527,237 (GRCm39) missense probably benign 0.30
R7255:Enpp1 UTSW 10 24,521,213 (GRCm39) missense possibly damaging 0.95
R7285:Enpp1 UTSW 10 24,536,059 (GRCm39) missense probably benign 0.01
R7401:Enpp1 UTSW 10 24,521,180 (GRCm39) missense probably damaging 1.00
R7429:Enpp1 UTSW 10 24,587,848 (GRCm39) missense probably benign 0.00
R7430:Enpp1 UTSW 10 24,587,848 (GRCm39) missense probably benign 0.00
R7526:Enpp1 UTSW 10 24,550,308 (GRCm39) splice site probably null
R7532:Enpp1 UTSW 10 24,551,885 (GRCm39) missense probably benign 0.29
R7789:Enpp1 UTSW 10 24,529,981 (GRCm39) splice site probably null
R8073:Enpp1 UTSW 10 24,555,142 (GRCm39) missense possibly damaging 0.50
R8283:Enpp1 UTSW 10 24,550,554 (GRCm39) missense probably benign 0.25
R8955:Enpp1 UTSW 10 24,544,926 (GRCm39) missense probably benign 0.01
R9494:Enpp1 UTSW 10 24,527,234 (GRCm39) missense probably benign
Z1177:Enpp1 UTSW 10 24,537,840 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- TGCCCAAAGATCAGAACACAATTTG -3'
(R):5'- CTGTCACTGAAGATGAATGCG -3'

Sequencing Primer
(F):5'- CAGCACCATCTAAGACTCT -3'
(R):5'- CACTGAAGATGAATGCGTTGGTATTG -3'
Posted On 2015-05-15