Incidental Mutation 'R8283:Enpp1'
ID 638323
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 067706-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R8283 (G1)
Quality Score 225.009
Status Not validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 24550554 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Aspartic acid at position 174 (E174D)
Ref Sequence ENSEMBL: ENSMUSP00000114273 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039882] [ENSMUST00000105520] [ENSMUST00000135846]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000039882
AA Change: E174D

PolyPhen 2 Score 0.858 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000046090
Gene: ENSMUSG00000037370
AA Change: E174D

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 possibly damaging
Transcript: ENSMUST00000105520
AA Change: E174D

PolyPhen 2 Score 0.889 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: E174D

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 benign
Transcript: ENSMUST00000135846
AA Change: E174D

PolyPhen 2 Score 0.247 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: E174D

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.8%
Validation Efficiency
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
Abcb1b C T 5: 8,856,086 (GRCm39) P65S probably damaging Het
Adcy3 A T 12: 4,250,935 (GRCm39) R565W probably damaging Het
Arl14 A T 3: 69,129,868 (GRCm39) N5I probably benign Het
Arl6ip6 A G 2: 53,082,250 (GRCm39) E39G possibly damaging Het
Aven C T 2: 112,390,120 (GRCm39) R8W probably benign Het
Axl C T 7: 25,463,379 (GRCm39) D633N probably benign Het
Boc A T 16: 44,340,800 (GRCm39) L50Q noncoding transcript Het
Calml3 A G 13: 3,854,097 (GRCm39) V36A probably damaging Het
Ccdc183 G A 2: 25,502,160 (GRCm39) A238V probably damaging Het
Ccndbp1 A G 2: 120,839,065 (GRCm39) probably benign Het
Ccr9 A G 9: 123,608,696 (GRCm39) Y126C probably damaging Het
Cdhr1 T C 14: 36,804,737 (GRCm39) N491S probably benign Het
Celsr2 C T 3: 108,303,771 (GRCm39) G2429D probably damaging Het
Cts6 T C 13: 61,349,457 (GRCm39) T84A probably damaging Het
Dcpp2 T C 17: 24,118,384 (GRCm39) probably null Het
Drosha A G 15: 12,890,587 (GRCm39) I945V possibly damaging Het
Dsg1b A G 18: 20,524,963 (GRCm39) Q133R probably benign Het
Esrrb A G 12: 86,468,732 (GRCm39) H15R probably benign Het
Fbxl12 T C 9: 20,550,017 (GRCm39) T213A probably benign Het
Fnbp4 C A 2: 90,577,115 (GRCm39) T149K probably damaging Het
Foxj1 A T 11: 116,224,893 (GRCm39) F158Y probably benign Het
Frrs1 A G 3: 116,671,952 (GRCm39) T17A probably benign Het
Gm10110 C T 14: 90,135,677 (GRCm39) V76M noncoding transcript Het
Gm45844 T C 7: 7,244,901 (GRCm39) Y11C possibly damaging Het
Hnrnpl T C 7: 28,513,697 (GRCm39) V220A Het
Iars2 T A 1: 185,020,288 (GRCm39) R949* probably null Het
Ice1 T C 13: 70,752,549 (GRCm39) E1179G probably damaging Het
Mast4 A G 13: 102,895,177 (GRCm39) L782P probably damaging Het
Mcmdc2 A C 1: 10,004,263 (GRCm39) K581T possibly damaging Het
Men1 A T 19: 6,386,848 (GRCm39) D186V probably damaging Het
Morc2b T G 17: 33,355,675 (GRCm39) N699T probably benign Het
Mrgpra2b A G 7: 47,114,465 (GRCm39) L89P probably damaging Het
Naip1 C T 13: 100,563,695 (GRCm39) G490E probably damaging Het
Ntm T C 9: 28,923,508 (GRCm39) Y224C probably damaging Het
Nup88 A T 11: 70,849,166 (GRCm39) D262E probably benign Het
Or10ag52 T C 2: 87,043,683 (GRCm39) V149A probably benign Het
Or51l4 T A 7: 103,404,019 (GRCm39) I258L possibly damaging Het
Or8b54 G A 9: 38,686,577 (GRCm39) V9M noncoding transcript Het
Oscp1 A G 4: 125,980,393 (GRCm39) M293V probably benign Het
Pcdhgc3 C A 18: 37,940,694 (GRCm39) A365D probably damaging Het
Pcyt2 A T 11: 120,501,548 (GRCm39) F388I probably benign Het
Pgm2l1 C G 7: 99,902,460 (GRCm39) A136G probably benign Het
Phf14 T G 6: 11,987,636 (GRCm39) D638E probably benign Het
Pnpla7 A G 2: 24,940,935 (GRCm39) K1096E probably damaging Het
Prkcb T A 7: 122,199,948 (GRCm39) C586* probably null Het
Rnf187 T A 11: 58,829,241 (GRCm39) R124W probably damaging Het
Sema3a T C 5: 13,450,030 (GRCm39) Y36H probably damaging Het
Setd7 T G 3: 51,428,796 (GRCm39) S345R probably benign Het
Sgms1 T C 19: 32,137,035 (GRCm39) D177G probably damaging Het
Snx19 T C 9: 30,374,522 (GRCm39) L927S possibly damaging Het
Sorbs1 G C 19: 40,365,244 (GRCm39) R180G probably benign Het
Sorl1 T C 9: 41,942,294 (GRCm39) D977G probably damaging Het
Sptan1 C T 2: 29,870,212 (GRCm39) R121W probably damaging Het
Srgap2 T C 1: 131,291,771 (GRCm39) D152G probably damaging Het
Suclg2 T A 6: 95,474,700 (GRCm39) probably null Het
Tacc2 T C 7: 130,227,034 (GRCm39) S1240P probably benign Het
Tbc1d12 C T 19: 38,825,353 (GRCm39) A68V probably benign Het
Tex14 G A 11: 87,365,241 (GRCm39) D62N probably damaging Het
Thyn1 C T 9: 26,918,155 (GRCm39) T181I probably benign Het
Trio T A 15: 27,756,628 (GRCm39) H2056L possibly damaging Het
Ubn2 T A 6: 38,475,663 (GRCm39) L1207Q probably damaging Het
Usp17lb T C 7: 104,490,013 (GRCm39) S305G probably damaging Het
Vmn2r101 T A 17: 19,832,253 (GRCm39) Y750N probably damaging Het
Wif1 G A 10: 120,931,952 (GRCm39) S292N probably benign Het
Xpo6 T G 7: 125,727,421 (GRCm39) Q528H possibly 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
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
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'- TACCACAGTCCTCTGGAGAACC -3'
(R):5'- TTTCGAGACAGAACAGCTCTC -3'

Sequencing Primer
(F):5'- CAGCAGCAAACACAGTCTGGTG -3'
(R):5'- AGAACAGCTCTCTATATTCACGG -3'
Posted On 2020-07-28