Incidental Mutation 'R1536:Enpp1'
ID 169538
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 039575-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.195) question?
Stock # R1536 (G1)
Quality Score 224
Status Validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 24517732 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Leucine at position 898 (H898L)
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: H897L

PolyPhen 2 Score 0.047 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: H897L

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: H898L

PolyPhen 2 Score 0.267 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: H898L

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
Meta Mutation Damage Score 0.0702 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.3%
  • 20x: 89.5%
Validation Efficiency 98% (59/60)
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
2310003L06Rik A T 5: 88,118,524 (GRCm39) I3F probably benign Het
4930590J08Rik A G 6: 91,894,016 (GRCm39) N211S probably benign Het
A2ml1 A T 6: 128,524,196 (GRCm39) Y1145* probably null Het
Abca7 A G 10: 79,850,064 (GRCm39) D1972G probably benign Het
Adamts19 A T 18: 59,185,687 (GRCm39) D1187V probably damaging Het
Adcy6 G C 15: 98,497,888 (GRCm39) I421M probably damaging Het
Afap1 C A 5: 36,131,835 (GRCm39) H387Q probably damaging Het
Atp8b1 C T 18: 64,678,335 (GRCm39) V854M probably damaging Het
Auts2 C T 5: 131,516,302 (GRCm39) probably benign Het
Cbll1 T C 12: 31,537,855 (GRCm39) D300G probably damaging Het
Cd200r4 A T 16: 44,653,412 (GRCm39) T61S possibly damaging Het
Chmp4c G T 3: 10,454,744 (GRCm39) V207L probably benign Het
Cntn5 T C 9: 9,976,321 (GRCm39) T413A possibly damaging Het
Cox7a2 T A 9: 79,665,863 (GRCm39) probably null Het
Cwc27 A G 13: 104,933,814 (GRCm39) L236P probably damaging Het
Diaph1 A G 18: 38,029,146 (GRCm39) probably null Het
Dst T A 1: 34,299,453 (GRCm39) probably benign Het
Ear1 T A 14: 44,056,583 (GRCm39) H95L probably damaging Het
Entpd5 G A 12: 84,429,069 (GRCm39) R321* probably null Het
Ercc6l2 C A 13: 63,972,685 (GRCm39) N177K possibly damaging Het
Ergic1 T C 17: 26,860,680 (GRCm39) probably null Het
Erich6 A T 3: 58,534,019 (GRCm39) I336N probably benign Het
Fmnl2 A G 2: 52,995,549 (GRCm39) E424G probably damaging Het
Galnt3 A T 2: 65,914,550 (GRCm39) D622E probably damaging Het
Gjd4 T A 18: 9,280,569 (GRCm39) T170S probably damaging Het
Gm5611 G A 9: 16,941,903 (GRCm39) noncoding transcript Het
Gpc5 T A 14: 115,636,662 (GRCm39) N448K probably benign Het
Klra3 G C 6: 130,310,107 (GRCm39) R138G probably benign Het
Maco1 A G 4: 134,531,818 (GRCm39) V617A probably damaging Het
Man2b2 T C 5: 36,978,271 (GRCm39) T338A probably benign Het
Mbtps1 A T 8: 120,272,864 (GRCm39) S94T probably benign Het
Muc3a A T 5: 137,244,538 (GRCm39) S205T unknown Het
Nav2 C A 7: 49,195,682 (GRCm39) D1019E probably damaging Het
Neurl4 T A 11: 69,794,252 (GRCm39) L236* probably null Het
Or13c25 A G 4: 52,911,260 (GRCm39) V178A probably benign Het
Plcxd3 T C 15: 4,546,093 (GRCm39) probably benign Het
Pprc1 T C 19: 46,059,965 (GRCm39) probably benign Het
Prkaa2 T A 4: 104,932,647 (GRCm39) N67I probably damaging Het
Prom1 T A 5: 44,175,695 (GRCm39) Y508F probably benign Het
Prx A G 7: 27,216,683 (GRCm39) M534V probably damaging Het
Rps6kc1 C T 1: 190,603,965 (GRCm39) R219Q possibly damaging Het
Sbf2 T C 7: 109,977,250 (GRCm39) Y628C probably damaging Het
Slc1a2 A T 2: 102,607,855 (GRCm39) D501V probably benign Het
Spata31 A T 13: 65,069,196 (GRCm39) Q448L probably damaging Het
Stk35 T C 2: 129,653,155 (GRCm39) probably benign Het
Stxbp5 T A 10: 9,713,836 (GRCm39) R234S probably damaging Het
Tifab A G 13: 56,324,101 (GRCm39) V114A probably benign Het
Tiprl A G 1: 165,055,975 (GRCm39) M49T probably benign Het
Tlr12 A G 4: 128,511,545 (GRCm39) L235P possibly damaging Het
Trim43b A T 9: 88,967,411 (GRCm39) C407* probably null Het
Txndc17 C A 11: 72,098,533 (GRCm39) F28L probably damaging Het
Vmn2r27 T C 6: 124,177,649 (GRCm39) R452G probably damaging Het
Vmn2r3 T A 3: 64,182,538 (GRCm39) D387V probably damaging Het
Vps13b T C 15: 35,875,712 (GRCm39) I2699T probably damaging Het
Zfp944 G T 17: 22,558,697 (GRCm39) Y183* probably null 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
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'- TGTGCTGAGTCGTCACACAACC -3'
(R):5'- GGACCTTACTGGGAACGTGAACTG -3'

Sequencing Primer
(F):5'- CAGCCAGGGACATCGAC -3'
(R):5'- TGGGAACGTGAACTGAGTGC -3'
Posted On 2014-04-13