Incidental Mutation 'R0011:Enpp1'
ID 63218
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 038306-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.195) question?
Stock # R0011 (G1)
Quality Score 122
Status Validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) T to A at 24545900 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Stop codon at position 228 (K228*)
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 null
Transcript: ENSMUST00000039882
AA Change: K228*
SMART Domains Protein: ENSMUSP00000046090
Gene: ENSMUSG00000037370
AA Change: K228*

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
AA Change: K228*
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: K228*

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
AA Change: K228*
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: K228*

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 0.9750 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.7%
  • 20x: 95.9%
Validation Efficiency 100% (59/59)
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
A930011G23Rik T C 5: 99,380,213 (GRCm39) Y344C probably damaging Het
Alox15 A G 11: 70,240,422 (GRCm39) V253A possibly damaging Het
Ank3 A G 10: 69,815,281 (GRCm39) probably benign Het
Art3 T A 5: 92,551,471 (GRCm39) Y17N probably damaging Het
Asic3 C T 5: 24,622,490 (GRCm39) probably benign Het
Bach2 G T 4: 32,244,655 (GRCm39) probably benign Het
Brip1 C A 11: 86,077,824 (GRCm39) K201N possibly damaging Het
Ccdc88a T C 11: 29,324,364 (GRCm39) F6S probably damaging Het
Cdcp3 T A 7: 130,831,722 (GRCm39) L389Q probably damaging Het
Celsr2 A G 3: 108,320,718 (GRCm39) I698T probably benign Het
Cenpf A G 1: 189,382,903 (GRCm39) S2664P probably benign Het
Cfap54 A T 10: 92,901,087 (GRCm39) C156S probably damaging Het
Cops4 C A 5: 100,675,847 (GRCm39) Q28K probably benign Het
Cyb5a T A 18: 84,895,947 (GRCm39) probably benign Het
Diaph3 A T 14: 87,103,844 (GRCm39) C847S probably damaging Het
Dnah3 T C 7: 119,618,924 (GRCm39) K1648R probably damaging Het
Dnai7 T A 6: 145,124,781 (GRCm39) M515L probably damaging Het
Emilin2 C T 17: 71,580,863 (GRCm39) G621E probably benign Het
Epg5 T C 18: 77,991,698 (GRCm39) C132R probably benign Het
Epha7 G A 4: 28,962,564 (GRCm39) D961N probably benign Het
G6pc2 C A 2: 69,056,909 (GRCm39) probably benign Het
Gm7361 C T 5: 26,463,876 (GRCm39) probably benign Het
Grin2c T C 11: 115,146,576 (GRCm39) Y476C probably damaging Het
Hnrnpul1 T G 7: 25,442,340 (GRCm39) probably benign Het
Igf2bp1 T C 11: 95,896,410 (GRCm39) D17G probably damaging Het
Insrr T C 3: 87,716,923 (GRCm39) C688R possibly damaging Het
Itgb2l T C 16: 96,228,861 (GRCm39) probably benign Het
Kidins220 T A 12: 25,049,351 (GRCm39) V322E probably damaging Het
Klk1 C T 7: 43,878,959 (GRCm39) T149I probably benign Het
Mbd3l1 A G 9: 18,395,863 (GRCm39) probably benign Het
Miox C T 15: 89,220,477 (GRCm39) L189F possibly damaging Het
Mrc1 T C 2: 14,266,148 (GRCm39) probably null Het
Mtr T C 13: 12,252,938 (GRCm39) probably benign Het
Ncoa6 TGC TGCGC 2: 155,250,211 (GRCm39) probably null Het
Npy4r C T 14: 33,868,680 (GRCm39) V203M probably damaging Het
Or8g52 T A 9: 39,630,923 (GRCm39) N133K probably benign Het
Pik3r4 C A 9: 105,521,836 (GRCm39) T134K probably benign Het
Rdh19 T A 10: 127,692,780 (GRCm39) L149Q probably damaging Het
Sema3e C T 5: 14,194,025 (GRCm39) R85* probably null Het
Shtn1 A G 19: 59,020,650 (GRCm39) S191P possibly damaging Het
Slc39a11 A T 11: 113,138,659 (GRCm39) F279L probably benign Het
Slc4a1 T C 11: 102,247,936 (GRCm39) K353E possibly damaging Het
Slc6a18 A T 13: 73,813,738 (GRCm39) M515K possibly damaging Het
Snapc4 A G 2: 26,254,825 (GRCm39) I1225T probably benign Het
Spidr A T 16: 15,784,467 (GRCm39) W534R probably benign Het
Tmem202 T A 9: 59,432,084 (GRCm39) N81I probably benign Het
Tnfrsf1b T G 4: 144,949,536 (GRCm39) R297S possibly damaging Het
Trim55 A G 3: 19,725,163 (GRCm39) T227A probably benign Het
Trim58 A T 11: 58,533,946 (GRCm39) T167S probably benign Het
Trp53i11 A T 2: 93,029,698 (GRCm39) probably benign Het
Ttn T C 2: 76,640,699 (GRCm39) H5356R probably damaging Het
Tyrp1 C T 4: 80,759,030 (GRCm39) T301I probably damaging Het
Wdr17 A T 8: 55,125,536 (GRCm39) I448K possibly damaging Het
Wscd1 T C 11: 71,679,654 (GRCm39) V509A probably damaging Het
Zfp251 A G 15: 76,738,754 (GRCm39) V108A 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
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
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'- AGTCCCTAAGGAAAGACCAATTGCAGA -3'
(R):5'- TGAACACCAAGTATCAGGGGTCACTAC -3'

Sequencing Primer
(F):5'- AGACCAATTGCAGATTATAGCTTG -3'
(R):5'- aaggtgggggcaggaag -3'
Posted On 2013-07-30