Incidental Mutation 'R4077:Enpp1'
ID 316630
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 041622-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R4077 (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: 98.7%
  • 10x: 97.5%
  • 20x: 95.8%
Validation Efficiency 99% (81/82)
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: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abhd12 T A 2: 150,690,379 (GRCm39) probably null Het
Adam33 T C 2: 130,905,444 (GRCm39) probably benign Het
Adrm1b A C 3: 92,336,195 (GRCm39) probably benign Het
Akap8 C T 17: 32,531,272 (GRCm39) R380Q probably damaging Het
Arhgef12 T C 9: 42,886,588 (GRCm39) M1131V probably damaging Het
Atrn T C 2: 130,806,850 (GRCm39) probably null 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
Cdk11b C T 4: 155,724,204 (GRCm39) probably benign Het
Cdnf A G 2: 3,522,060 (GRCm39) Y84C probably damaging Het
Chdh T C 14: 29,757,297 (GRCm39) S407P probably damaging Het
Cmtr1 C A 17: 29,904,949 (GRCm39) T300K probably damaging Het
Dennd2d A T 3: 106,389,939 (GRCm39) probably benign Het
Diaph1 T A 18: 37,986,636 (GRCm39) E1116D possibly damaging Het
Eif1ad3 A G 12: 87,843,401 (GRCm39) K16R unknown Het
Eif1ad3 A T 12: 87,843,710 (GRCm39) D119V possibly damaging Het
Erbb4 T C 1: 68,079,496 (GRCm39) T1195A probably benign Het
Ermard T A 17: 15,273,638 (GRCm39) S408T probably benign Het
Etl4 A T 2: 20,812,772 (GRCm39) R1442S probably damaging Het
F13b T A 1: 139,429,508 (GRCm39) F9I unknown Het
Fnbp4 C T 2: 90,588,821 (GRCm39) R531* probably null Het
Gdf6 A G 4: 9,844,776 (GRCm39) Y100C probably damaging Het
Gpr3 T C 4: 132,938,226 (GRCm39) T149A probably damaging Het
Grm8 T C 6: 27,760,208 (GRCm39) H374R probably benign Het
Hbs1l T C 10: 21,228,501 (GRCm39) V493A probably damaging Het
Hgs A G 11: 120,368,202 (GRCm39) K277E probably damaging Het
Hnrnpul1 C T 7: 25,426,300 (GRCm39) R517Q probably damaging Het
Hoxa11 A T 6: 52,222,504 (GRCm39) Y66N probably damaging Het
Hsh2d G A 8: 72,954,304 (GRCm39) D229N probably benign Het
Igdcc4 T A 9: 65,039,047 (GRCm39) L944Q probably damaging Het
Ighv3-1 C A 12: 113,928,107 (GRCm39) S84I probably damaging Het
Iqgap2 T C 13: 95,794,375 (GRCm39) D1199G probably damaging Het
Kcnk10 A T 12: 98,401,205 (GRCm39) M490K probably benign Het
Kirrel1 A G 3: 86,992,387 (GRCm39) probably null Het
Lias A T 5: 65,552,768 (GRCm39) T124S probably benign 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
Lrrc37a T A 11: 103,388,808 (GRCm39) T2206S unknown Het
Macf1 T A 4: 123,365,884 (GRCm39) Q2959L probably benign Het
Mis12 A G 11: 70,916,134 (GRCm39) T56A probably benign Het
Or10ag56 T A 2: 87,139,208 (GRCm39) M25K probably null Het
Or1l4 T A 2: 37,092,024 (GRCm39) I257N possibly damaging Het
Or4k41 A G 2: 111,279,848 (GRCm39) D121G probably damaging Het
Or5b99 T C 19: 12,977,235 (GRCm39) V295A probably damaging Het
Otof A T 5: 30,576,850 (GRCm39) L134Q possibly damaging Het
Pds5b T A 5: 150,717,824 (GRCm39) V1155E possibly damaging Het
Pdss2 A T 10: 43,278,518 (GRCm39) M342L probably benign Het
Phyhipl C T 10: 70,404,903 (GRCm39) V57I probably damaging Het
Plekha5 T A 6: 140,501,647 (GRCm39) probably null Het
Pnck A T X: 72,701,761 (GRCm39) V93E probably damaging Het
Proser1 A G 3: 53,385,962 (GRCm39) T615A probably damaging Het
Ptprk G A 10: 28,139,508 (GRCm39) V78I probably benign Het
Ptprv A G 1: 135,038,168 (GRCm39) noncoding transcript Het
Ranbp3l A G 15: 9,060,838 (GRCm39) N233S probably damaging Het
Rassf2 G A 2: 131,854,522 (GRCm39) P7S probably benign Het
Sart1 A T 19: 5,432,771 (GRCm39) L521Q possibly damaging Het
Scgb1b21 T A 7: 33,227,118 (GRCm39) noncoding transcript Het
Scyl2 A T 10: 89,476,458 (GRCm39) M889K probably benign Het
Secisbp2l A G 2: 125,593,785 (GRCm39) probably benign Het
Svil A G 18: 5,063,522 (GRCm39) E931G probably benign Het
Syce1 C A 7: 140,359,809 (GRCm39) L83F probably damaging Het
Tdrd1 A G 19: 56,819,505 (GRCm39) M2V probably benign Het
Tjp2 A T 19: 24,086,182 (GRCm39) V780E possibly damaging Het
Tram1 A G 1: 13,636,599 (GRCm39) V358A probably benign Het
Unc13c C T 9: 73,643,821 (GRCm39) W1214* probably null Het
Vps13b T C 15: 35,455,274 (GRCm39) C728R probably damaging Het
Wwox A G 8: 115,166,481 (GRCm39) probably benign Het
Zbtb41 G A 1: 139,357,064 (GRCm39) V440I probably benign Het
Zfp777 T C 6: 48,002,456 (GRCm39) S589G probably benign Het
Zfp955a A G 17: 33,460,675 (GRCm39) Y486H probably benign 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
R4079: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'- CTGTCACTGAAGATGAATGCGTTG -3'

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