Incidental Mutation 'R9494:Enpp1'
ID 717112
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
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R9494 (G1)
Quality Score 225.009
Status Not validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 24527234 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 651 (R651L)
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 benign
Transcript: ENSMUST00000105520
AA Change: R650L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: R650L

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: R651L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: R651L

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: 98.9%
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: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Als2 T C 1: 59,206,664 (GRCm39) D1593G probably damaging Het
Atad2b C A 12: 5,081,852 (GRCm39) P1254T probably benign Het
Brsk2 C T 7: 141,555,955 (GRCm39) R716C possibly damaging Het
Bzw2 T A 12: 36,184,947 (GRCm39) M1L probably benign Het
Cd300ld2 T A 11: 114,901,249 (GRCm39) H277L possibly damaging Het
Col6a5 A T 9: 105,822,732 (GRCm39) D208E unknown Het
Cul3 T A 1: 80,255,169 (GRCm39) S544C probably damaging Het
Epha10 C T 4: 124,808,649 (GRCm39) A766V Het
Epor A G 9: 21,870,522 (GRCm39) Y453H probably damaging Het
Fam13a T C 6: 58,930,508 (GRCm39) K468R probably benign Het
Ffar4 C T 19: 38,086,083 (GRCm39) A170V probably benign Het
Fhip1a A T 3: 85,583,565 (GRCm39) Y410* probably null Het
Gm10203 A G 6: 149,031,740 (GRCm39) Y15C unknown Het
Kansl1 T C 11: 104,247,566 (GRCm39) T595A probably benign Het
Lmtk2 A T 5: 144,037,338 (GRCm39) probably benign Het
Mybl2 G A 2: 162,917,843 (GRCm39) V69I possibly damaging Het
Myo1d T C 11: 80,375,093 (GRCm39) K994E probably benign Het
Or5p75-ps1 C A 7: 108,107,800 (GRCm39) T179K unknown Het
Pcdhga10 A T 18: 37,882,421 (GRCm39) R727S probably benign Het
Pgp T A 17: 24,689,809 (GRCm39) L109Q probably damaging Het
Piwil2 C T 14: 70,660,421 (GRCm39) G68D probably benign Het
Pms2 T A 5: 143,853,214 (GRCm39) I193N probably damaging Het
Pnpla7 T A 2: 24,942,390 (GRCm39) L1236* probably null Het
Pole2 A G 12: 69,249,731 (GRCm39) V489A possibly damaging Het
Rapgef2 G A 3: 79,019,495 (GRCm39) L59F probably damaging Het
Rnf32 T C 5: 29,429,145 (GRCm39) S241P probably damaging Het
Samd9l T A 6: 3,375,830 (GRCm39) K477I possibly damaging Het
Stn1 C T 19: 47,513,125 (GRCm39) probably null Het
Svep1 A G 4: 58,070,577 (GRCm39) V2403A possibly damaging Het
Synrg T C 11: 83,881,747 (GRCm39) M361T probably benign Het
Tbc1d2b A T 9: 90,152,563 (GRCm39) Y68N probably damaging Het
Tbc1d4 A T 14: 101,845,895 (GRCm39) M1K probably null Het
Thsd1 C T 8: 22,733,268 (GRCm39) P105L probably benign Het
Tnxb T C 17: 34,904,796 (GRCm39) L1187P probably damaging Het
Trio T C 15: 27,846,843 (GRCm39) T1057A probably benign Het
Tubg1 T C 11: 101,011,724 (GRCm39) I77T probably damaging Het
Txndc11 A G 16: 10,952,156 (GRCm39) L73P probably damaging Het
Uck1 G A 2: 32,148,179 (GRCm39) R182* probably null Het
Vangl1 T C 3: 102,070,665 (GRCm39) S424G probably damaging Het
Vmn2r69 A G 7: 85,056,084 (GRCm39) W685R probably benign Het
Vmn2r69 G A 7: 85,060,768 (GRCm39) S272L probably damaging Het
Zbtb18 A T 1: 177,275,648 (GRCm39) D327V probably benign Het
Zfp607b T C 7: 27,403,092 (GRCm39) F516S probably damaging Het
Zzz3 A G 3: 152,133,468 (GRCm39) I175M 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
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
Z1177:Enpp1 UTSW 10 24,537,840 (GRCm39) missense probably damaging 0.96
Predicted Primers PCR Primer
(F):5'- AGTGTCACAGCTACACAGGG -3'
(R):5'- TATGCCCTGAGACGTTTGTGAC -3'

Sequencing Primer
(F):5'- AAAGCTGTGCCCTAACTTCTGG -3'
(R):5'- TGAGACGTTTGTGACATGGTTAAAAG -3'
Posted On 2022-07-18