Incidental Mutation 'R5695:Enpp1'
ID 443890
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 043326-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R5695 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 24530806 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 550 (E550G)
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 damaging
Transcript: ENSMUST00000105520
AA Change: E550G

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: E550G

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 damaging
Transcript: ENSMUST00000135846
AA Change: E550G

PolyPhen 2 Score 0.993 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: E550G

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: ENSMUST00000150570
Meta Mutation Damage Score 0.9448 question?
Coding Region Coverage
  • 1x: 99.4%
  • 3x: 98.8%
  • 10x: 97.6%
  • 20x: 96.2%
Validation Efficiency 98% (58/59)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcd4 T A 12: 84,660,745 (GRCm39) H116L probably damaging Het
Anapc4 C T 5: 53,019,581 (GRCm39) S581L probably benign Het
Ano8 A C 8: 71,935,887 (GRCm39) D276E probably damaging Het
Aspm G A 1: 139,407,407 (GRCm39) R2098H probably benign Het
Bend7 G A 2: 4,768,052 (GRCm39) R336Q probably damaging Het
Bpifb4 G A 2: 153,784,843 (GRCm39) G184S probably damaging Het
Cbx8 T C 11: 118,930,137 (GRCm39) D152G probably benign Het
Cdca2 A G 14: 67,943,078 (GRCm39) probably null Het
Cgn G A 3: 94,680,945 (GRCm39) A531V probably benign Het
Cmya5 C A 13: 93,182,374 (GRCm39) probably null Het
Cntnap3 A G 13: 64,935,769 (GRCm39) S365P probably damaging Het
Crnn A G 3: 93,056,330 (GRCm39) Q372R probably damaging Het
Ehf T A 2: 103,097,124 (GRCm39) E276V probably damaging Het
Eif4g3 T A 4: 137,890,744 (GRCm39) probably null Het
Enpep C T 3: 129,102,748 (GRCm39) D403N probably damaging Het
Entpd8 A G 2: 24,974,346 (GRCm39) D377G probably benign Het
Epc2 T A 2: 49,437,619 (GRCm39) probably null Het
Erich3 G T 3: 154,439,210 (GRCm39) G481V probably damaging Het
Fank1 A G 7: 133,471,075 (GRCm39) Y156C probably damaging Het
Fras1 A G 5: 96,929,203 (GRCm39) D3869G probably damaging Het
Gcnt2 A G 13: 41,071,675 (GRCm39) D106G probably benign Het
Gm20830 A T Y: 6,916,501 (GRCm39) V206E probably benign Het
Gmpr2 T C 14: 55,914,691 (GRCm39) V228A possibly damaging Het
Gon4l TGAGCA TGAGCAGAGCA 3: 88,803,523 (GRCm39) probably null Het
Gtpbp1 G A 15: 79,596,375 (GRCm39) probably null Het
Hhat A T 1: 192,399,327 (GRCm39) M271K probably damaging Het
Hipk2 A T 6: 38,795,810 (GRCm39) M153K possibly damaging Het
Hydin A T 8: 111,261,915 (GRCm39) H2672L probably benign Het
Igfbpl1 A T 4: 45,826,374 (GRCm39) D140E probably damaging Het
Kctd1 T G 18: 15,196,573 (GRCm39) probably benign Het
Lax1 A T 1: 133,608,316 (GRCm39) Y142N probably damaging Het
Lpin2 C T 17: 71,551,798 (GRCm39) R733C probably damaging Het
Morn4 A G 19: 42,064,556 (GRCm39) L144P possibly damaging Het
Nup214 C A 2: 31,924,385 (GRCm39) T1638K probably damaging Het
Nyap1 C T 5: 137,733,246 (GRCm39) A596T probably damaging Het
Oas1d T C 5: 121,053,074 (GRCm39) M43T probably benign Het
Or4l15 T C 14: 50,198,080 (GRCm39) T150A probably benign Het
Or6x1 T C 9: 40,098,897 (GRCm39) V162A probably benign Het
Or8b42 A G 9: 38,342,472 (GRCm39) H298R probably benign Het
Pacs1 A G 19: 5,186,819 (GRCm39) F851S probably damaging Het
Pcdh17 A G 14: 84,683,800 (GRCm39) Q89R probably damaging Het
Phrf1 A G 7: 140,838,378 (GRCm39) probably benign Het
Plekhb1 A T 7: 100,304,602 (GRCm39) I34N probably damaging Het
Ralgapa2 T C 2: 146,175,397 (GRCm39) E1800G probably damaging Het
Rbm33 A T 5: 28,544,010 (GRCm39) I89F probably damaging Het
Rtl1 T A 12: 109,560,531 (GRCm39) E436V probably damaging Het
Slc2a4 G T 11: 69,837,217 (GRCm39) P73Q probably damaging Het
Sorbs2 A T 8: 46,245,912 (GRCm39) T311S probably benign Het
Sulf2 G A 2: 165,974,678 (GRCm39) A2V probably benign Het
Supt16 A T 14: 52,411,601 (GRCm39) probably null Het
Vmn1r26 A T 6: 57,985,738 (GRCm39) N150K probably damaging Het
Vmn2r39 T A 7: 9,028,150 (GRCm39) H407L possibly damaging Het
Vmn2r84 T A 10: 130,225,064 (GRCm39) Y482F probably benign Het
Vps9d1 T C 8: 123,973,655 (GRCm39) E376G probably benign Het
Wrn C A 8: 33,814,346 (GRCm39) G366V 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
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
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'- AATCATATGTATGTGTGGGTCTACG -3'
(R):5'- CACTATACATAGGTGTGCATGTG -3'

Sequencing Primer
(F):5'- CACATGAGTGCTGGTGACAAC -3'
(R):5'- TGTACATATGTGTGCAATGCAG -3'
Posted On 2016-11-09