Incidental Mutation 'R8955:Enpp1'
ID 681943
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 068791-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R8955 (G1)
Quality Score 225.009
Status Not validated
Chromosome 10
Chromosomal Location 24513812-24588057 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 24544926 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 318 (I318F)
Ref Sequence ENSEMBL: ENSMUSP00000046090 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000039882] [ENSMUST00000105520] [ENSMUST00000135846]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000039882
AA Change: I318F

PolyPhen 2 Score 0.014 (Sensitivity: 0.96; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000046090
Gene: ENSMUSG00000037370
AA Change: I318F

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: I318F

PolyPhen 2 Score 0.006 (Sensitivity: 0.97; Specificity: 0.75)
SMART Domains Protein: ENSMUSP00000101159
Gene: ENSMUSG00000037370
AA Change: I318F

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: I318F

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000114273
Gene: ENSMUSG00000037370
AA Change: I318F

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: 98.7%
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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy8 C T 15: 64,576,554 (GRCm39) V1003I possibly damaging Het
Adgra3 T A 5: 50,118,731 (GRCm39) Y939F probably benign Het
Adra2b T C 2: 127,205,504 (GRCm39) V2A probably benign Het
Aga T A 8: 53,974,164 (GRCm39) Y296N possibly damaging Het
Apc A G 18: 34,401,370 (GRCm39) Q52R probably damaging Het
Arfgef1 A T 1: 10,270,062 (GRCm39) S362R probably benign Het
Arhgef7 C T 8: 11,808,451 (GRCm39) probably benign Het
Bmp5 A T 9: 75,805,835 (GRCm39) M446L probably damaging Het
Carmil3 C T 14: 55,733,534 (GRCm39) T350I probably damaging Het
Cd44 T A 2: 102,683,363 (GRCm39) T224S probably damaging Het
Cep112 A T 11: 108,643,260 (GRCm39) I7F possibly damaging Het
Chrna2 G A 14: 66,379,681 (GRCm39) A7T probably benign Het
Cldn16 G A 16: 26,301,270 (GRCm39) V193I probably benign Het
Clec4a3 G A 6: 122,943,479 (GRCm39) E100K possibly damaging Het
Cntln C T 4: 84,986,110 (GRCm39) T1026I possibly damaging Het
Cyp4v3 T A 8: 45,761,564 (GRCm39) I420F probably benign Het
Dcbld2 G A 16: 58,271,125 (GRCm39) A301T Het
Dnah1 A T 14: 31,007,950 (GRCm39) D2152E probably benign Het
Dpy19l4 A G 4: 11,290,195 (GRCm39) V179A probably benign Het
Dusp4 T A 8: 35,284,462 (GRCm39) I259N probably damaging Het
Entpd6 T C 2: 150,595,005 (GRCm39) V15A possibly damaging Het
Epb41l1 C G 2: 156,363,923 (GRCm39) Q811E probably benign Het
Epb41l5 T C 1: 119,570,292 (GRCm39) H32R probably damaging Het
Fam135b C T 15: 71,334,063 (GRCm39) V1044I possibly damaging Het
Fat4 A T 3: 39,037,778 (GRCm39) H3810L probably benign Het
Fbxw28 T A 9: 109,167,857 (GRCm39) probably null Het
Flnb T G 14: 7,892,874 (GRCm38) V648G probably damaging Het
Flnb T A 14: 7,904,688 (GRCm38) Y1030* probably null Het
Fndc3a T C 14: 72,794,410 (GRCm39) T787A probably benign Het
Gli2 T A 1: 118,783,187 (GRCm39) H106L probably damaging Het
Gm10283 T A 8: 60,954,390 (GRCm39) probably null Het
Gm3336 C T 8: 71,174,545 (GRCm39) R67* probably null Het
Gsr T G 8: 34,183,936 (GRCm39) I399M possibly damaging Het
Gtf2ird2 T A 5: 134,245,596 (GRCm39) M618K probably damaging Het
Gtf3c3 T A 1: 54,462,722 (GRCm39) D347V probably benign Het
Hspa12a T C 19: 58,788,058 (GRCm39) Y588C probably damaging Het
Il20ra A G 10: 19,635,160 (GRCm39) E467G possibly damaging Het
Inf2 A G 12: 112,576,998 (GRCm39) I991V unknown Het
Irag2 A T 6: 145,117,390 (GRCm39) M376L probably benign Het
Irx6 T C 8: 93,405,040 (GRCm39) C303R probably damaging Het
Kcnmb4 T A 10: 116,309,381 (GRCm39) K16* probably null Het
Kirrel3 T C 9: 34,855,738 (GRCm39) L86P probably damaging Het
Lipo5 A C 19: 33,450,530 (GRCm39) F21V Het
Lrrc31 T A 3: 30,733,267 (GRCm39) R482S probably benign Het
Lrrc3b C T 14: 15,358,159 (GRCm38) C149Y probably damaging Het
Lrrk1 A G 7: 65,919,573 (GRCm39) M446T probably benign Het
Macroh2a2 A T 10: 61,593,610 (GRCm39) I22N probably damaging Het
Mettl14 C T 3: 123,167,693 (GRCm39) D222N probably benign Het
Mfsd4b3-ps G A 10: 39,824,072 (GRCm39) H63Y probably benign Het
Myo16 T C 8: 10,426,175 (GRCm39) W311R probably damaging Het
Nccrp1 A T 7: 28,245,628 (GRCm39) N151K probably benign Het
Obsl1 T C 1: 75,480,493 (GRCm39) D377G probably damaging Het
Or5b97 T A 19: 12,878,578 (GRCm39) T189S probably benign Het
Or5p80 T A 7: 108,229,506 (GRCm39) C102* probably null Het
Or7c19 T A 8: 85,957,913 (GRCm39) I263N probably benign Het
Or7c70 G T 10: 78,683,576 (GRCm39) P58T probably damaging Het
Pigb T C 9: 72,945,983 (GRCm39) N63S probably damaging Het
Plch2 T C 4: 155,077,023 (GRCm39) E577G probably benign Het
Prkab2 T C 3: 97,573,943 (GRCm39) V194A probably benign Het
Psd3 T C 8: 68,416,461 (GRCm39) I479V probably benign Het
Ralgapb C A 2: 158,279,264 (GRCm39) P117T probably benign Het
Ralgapb C G 2: 158,337,389 (GRCm39) T1116R probably damaging Het
Rpap2 T A 5: 107,768,361 (GRCm39) S400T possibly damaging Het
Rpgrip1l C A 8: 92,007,456 (GRCm39) W378L possibly damaging Het
Rps20 T A 4: 3,834,617 (GRCm39) M82L probably benign Het
Rps5 T C 7: 12,659,440 (GRCm39) M77T possibly damaging Het
Scaf11 A G 15: 96,318,371 (GRCm39) S398P probably damaging Het
Sdf2 T A 11: 78,145,763 (GRCm39) D153E probably benign Het
Selplg GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT 5: 113,957,756 (GRCm39) probably benign Het
Slc12a9 T C 5: 137,329,270 (GRCm39) N128S probably damaging Het
Slc25a32 C A 15: 38,960,946 (GRCm39) G246C probably damaging Het
Slc38a4 C T 15: 96,914,662 (GRCm39) A64T probably benign Het
Slit3 T C 11: 35,589,207 (GRCm39) V1254A probably damaging Het
Slx4 T C 16: 3,808,111 (GRCm39) K481R probably benign Het
Tcea1 A G 1: 4,959,732 (GRCm39) T136A probably benign Het
Thra A G 11: 98,644,449 (GRCm39) D13G possibly damaging Het
Tmed9 G A 13: 55,744,775 (GRCm39) S227N probably benign Het
Trim80 C A 11: 115,331,538 (GRCm39) T20K probably benign Het
Trmt61a G T 12: 111,649,256 (GRCm39) V276L probably benign Het
Trpc4ap T C 2: 155,508,171 (GRCm39) D160G possibly damaging Het
Ubr5 C T 15: 38,029,825 (GRCm39) E467K Het
Vars2 C A 17: 35,972,541 (GRCm39) G26W probably damaging Het
Vmn1r226 G T 17: 20,908,287 (GRCm39) R173L possibly damaging Het
Vmn1r29 G T 6: 58,284,284 (GRCm39) M1I probably null Het
Vmn2r3 G T 3: 64,168,803 (GRCm39) P578Q possibly damaging Het
Vmn2r57 A T 7: 41,049,571 (GRCm39) I726N possibly damaging Het
Zfp39 A T 11: 58,780,946 (GRCm39) Y605* 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
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
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'- TTCAGCACCATCTAAGACTCTG -3'
(R):5'- TACCTCATATACAGGGTTATTGTAGCC -3'

Sequencing Primer
(F):5'- TCAGCACCATCTAAGACTCTGTAAAG -3'
(R):5'- TCCTGTCACTGAAGATGAATGCG -3'
Posted On 2021-08-31