Incidental Mutation 'R6936:Enpp1'
ID 540307
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 045050-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R6936 (G1)
Quality Score 225.009
Status Validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 24527237 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Arginine at position 650 (H650R)
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: H649R

PolyPhen 2 Score 0.091 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: H649R

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: H650R

PolyPhen 2 Score 0.300 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: H650R

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: 99.8%
  • 10x: 99.0%
  • 20x: 96.7%
Validation Efficiency 98% (48/49)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A T 11: 9,248,568 (GRCm39) I2772F probably damaging Het
Adam1a A G 5: 121,657,425 (GRCm39) C623R probably damaging Het
Ak2 T C 4: 128,893,005 (GRCm39) S55P probably damaging Het
Ak4 C T 4: 101,304,456 (GRCm39) A82V probably benign Het
Arhgap10 A T 8: 78,037,376 (GRCm39) C617* probably null Het
Art1 A T 7: 101,755,977 (GRCm39) D56V possibly damaging Het
Ascc3 A G 10: 50,606,057 (GRCm39) D1392G probably damaging Het
Bbs5 T C 2: 69,484,698 (GRCm39) S123P probably damaging Het
Cabin1 A T 10: 75,551,592 (GRCm39) probably null Het
Carmil3 G A 14: 55,739,018 (GRCm39) E891K probably benign Het
Cbfa2t3 C G 8: 123,374,478 (GRCm39) R89P probably damaging Het
Ccdc157 A G 11: 4,094,030 (GRCm39) S534P probably benign Het
Cep72 A T 13: 74,188,206 (GRCm39) I229N probably damaging Het
Cnn3 C T 3: 121,243,702 (GRCm39) probably benign Het
Cyp2c70 A G 19: 40,156,007 (GRCm39) V181A probably damaging Het
Cyp2d26 C T 15: 82,676,741 (GRCm39) D202N probably benign Het
Dbh A G 2: 27,062,809 (GRCm39) K343E probably benign Het
Dlx5 A G 6: 6,879,585 (GRCm39) Y161H probably damaging Het
Dnah5 A T 15: 28,409,414 (GRCm39) I3611F probably damaging Het
Egf A C 3: 129,474,853 (GRCm39) F563V possibly damaging Het
Exoc6 A G 19: 37,560,311 (GRCm39) I109M probably benign Het
Fan1 T A 7: 64,022,234 (GRCm39) N340Y probably damaging Het
Fgg C T 3: 82,915,727 (GRCm39) S56F possibly damaging Het
Fras1 A G 5: 96,916,211 (GRCm39) D3415G possibly damaging Het
Ghsr A G 3: 27,426,474 (GRCm39) I177V probably benign Het
Gm1979 A T 5: 26,207,028 (GRCm39) H62Q probably benign Het
Gpatch2 A G 1: 186,965,433 (GRCm39) D313G probably benign Het
Gtf2i C T 5: 134,271,639 (GRCm39) E823K probably damaging Het
Hook2 C A 8: 85,729,627 (GRCm39) T689N probably benign Het
Hrnr A T 3: 93,239,667 (GRCm39) N3302Y unknown Het
Igkv7-33 G A 6: 70,035,785 (GRCm39) P66S possibly damaging Het
Kcnh2 T A 5: 24,529,337 (GRCm39) I800F probably damaging Het
Mcmbp G A 7: 128,326,920 (GRCm39) Q21* probably null Het
Mmp21 T C 7: 133,280,704 (GRCm39) K89E probably benign Het
Or4b13 A G 2: 90,082,678 (GRCm39) V218A probably benign Het
Or52r1c A T 7: 102,735,021 (GRCm39) I94F probably damaging Het
Pcdhga4 A G 18: 37,820,458 (GRCm39) D669G possibly damaging Het
Ralgapa1 T C 12: 55,832,997 (GRCm39) T169A probably damaging Het
Sec31a T C 5: 100,540,369 (GRCm39) N35S probably benign Het
Serpinb5 A T 1: 106,798,148 (GRCm39) T46S probably benign Het
Svs5 A G 2: 164,079,548 (GRCm39) S120P possibly damaging Het
Tbpl2 T C 2: 23,984,953 (GRCm39) T64A probably benign Het
Tecpr2 T A 12: 110,911,297 (GRCm39) H1111Q possibly damaging Het
Tm9sf3 A G 19: 41,211,638 (GRCm39) F402L probably benign Het
Tmem120b T G 5: 123,254,287 (GRCm39) V287G possibly damaging Het
Tmem150c T C 5: 100,231,577 (GRCm39) T133A possibly damaging Het
Ubqln3 A T 7: 103,791,517 (GRCm39) V191D probably damaging Het
Ubr2 T C 17: 47,283,957 (GRCm39) E564G possibly damaging Het
Zkscan1 T C 5: 138,091,567 (GRCm39) V100A probably 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
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'- AGTGTCACAGCTACACAGGGAG -3'
(R):5'- TCTATGCCCTGAGACGTTTG -3'

Sequencing Primer
(F):5'- AAAGCTGTGCCCTAACTTCTGG -3'
(R):5'- CCCTGAGACGTTTGTGACATG -3'
Posted On 2018-11-06