Incidental Mutation 'R4412:Alpl'
ID 327960
Institutional Source Beutler Lab
Gene Symbol Alpl
Ensembl Gene ENSMUSG00000028766
Gene Name alkaline phosphatase, liver/bone/kidney
Synonyms TNAP, Akp-2, ALP, TNSALP, Akp2
MMRRC Submission 041135-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4412 (G1)
Quality Score 180
Status Not validated
Chromosome 4
Chromosomal Location 137469044-137523695 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 137485939 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 2 (I2T)
Ref Sequence ENSEMBL: ENSMUSP00000121548 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030551] [ENSMUST00000133473] [ENSMUST00000139951] [ENSMUST00000153588]
AlphaFold P09242
Predicted Effect probably benign
Transcript: ENSMUST00000030551
AA Change: I2T

PolyPhen 2 Score 0.185 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000030551
Gene: ENSMUSG00000028766
AA Change: I2T

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
alkPPc 52 491 4.69e-285 SMART
low complexity region 500 520 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000133473
AA Change: I2T

PolyPhen 2 Score 0.841 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000121548
Gene: ENSMUSG00000028766
AA Change: I2T

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:Alk_phosphatase 51 98 5.3e-19 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000133566
Predicted Effect noncoding transcript
Transcript: ENSMUST00000138463
Predicted Effect probably benign
Transcript: ENSMUST00000139951
AA Change: I2T

PolyPhen 2 Score 0.115 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000125041
Gene: ENSMUSG00000028766
AA Change: I2T

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:Alk_phosphatase 51 216 5.2e-72 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143757
Predicted Effect probably benign
Transcript: ENSMUST00000153588
AA Change: I2T

PolyPhen 2 Score 0.185 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000116308
Gene: ENSMUSG00000028766
AA Change: I2T

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:Alk_phosphatase 51 158 2e-44 PFAM
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.2%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a preproprotein that is proteolytically cleaved to yield a signal peptide and a proproptein that is subsequently processed to generate the active mature peptide. The encoded protein is a membrane-bound glycosylated enzyme that catalyzes the hydrolysis of phosphate esters at alkaline pH. The mature peptide maintains the ratio of inorganic phosphate to inorganic pyrophosphate required for bone mineralization. Mice that lack this enzyme show symptoms of osteomalacia, softening of the bones. In humans, mutations in this gene are associated with hypophosphatasia, an inherited metabolic bone disease in which deficiency of this enzyme inhibits bone mineralization leading to skeletal defects. Mutations in the mouse gene mirror the symptoms of human hypophosphatasia. A pseudogene of this gene is present on chromosome X. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2015]
PHENOTYPE: Males hemizygous for a null mutation exhibit reduced body size, shortened hindlimbs and tail, osteomalacia, and markedly reduced plasma phosphate levels due to impaired kidney reabsorption. Female heterozygotes exhibit milder symptoms. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrb1 T C 15: 74,449,302 (GRCm39) probably benign Het
Adprhl1 T C 8: 13,296,114 (GRCm39) K144E probably benign Het
Chdh G T 14: 29,753,672 (GRCm39) G194C probably damaging Het
Cp A T 3: 20,020,517 (GRCm39) D170V probably damaging Het
Cpne9 A G 6: 113,266,962 (GRCm39) K132E possibly damaging Het
Cyp2b9 T G 7: 25,897,868 (GRCm39) L224R probably damaging Het
Dmxl1 A G 18: 49,981,828 (GRCm39) N153S probably benign Het
Dnah17 T C 11: 117,964,509 (GRCm39) Y2423C probably damaging Het
Dnajc14 G T 10: 128,642,074 (GRCm39) probably benign Het
Eipr1 A T 12: 28,909,372 (GRCm39) D213V probably damaging Het
Fat1 T C 8: 45,476,636 (GRCm39) V1894A probably damaging Het
Flrt2 G A 12: 95,747,047 (GRCm39) V462I probably benign Het
Gigyf2 A G 1: 87,364,582 (GRCm39) E954G probably damaging Het
Glis1 A G 4: 107,491,915 (GRCm39) H593R probably damaging Het
Gpr21 C G 2: 37,407,444 (GRCm39) probably benign Het
Gsdmc3 A G 15: 63,738,645 (GRCm39) M139T probably benign Het
Hydin C T 8: 111,142,368 (GRCm39) T749I probably damaging Het
Ilf3 C T 9: 21,310,856 (GRCm39) P620S possibly damaging Het
Khdc3 A G 9: 73,010,156 (GRCm39) T71A possibly damaging Het
Ms4a12 T C 19: 11,207,807 (GRCm39) N33S probably benign Het
Nisch A G 14: 30,908,615 (GRCm39) probably benign Het
Npr2 G A 4: 43,644,150 (GRCm39) C593Y probably damaging Het
Npr3 G C 15: 11,905,235 (GRCm39) T164R probably benign Het
Or4c1 A G 2: 89,133,684 (GRCm39) I84T probably benign Het
Palld A G 8: 62,140,406 (GRCm39) Y534H probably damaging Het
Pcdhb10 TC T 18: 37,547,194 (GRCm39) probably null Het
Plekhg3 A C 12: 76,624,538 (GRCm39) T1127P probably damaging Het
Podnl1 A T 8: 84,857,294 (GRCm39) H301L probably benign Het
Ripk2 A G 4: 16,124,511 (GRCm39) V399A probably benign Het
Rpp30 T A 19: 36,077,655 (GRCm39) N172K possibly damaging Het
Sin3b C T 8: 73,466,407 (GRCm39) A291V probably benign Het
Slc12a6 A T 2: 112,166,233 (GRCm39) Q204L possibly damaging Het
Snx9 C T 17: 5,958,669 (GRCm39) T249M probably damaging Het
Sohlh2 C A 3: 55,104,423 (GRCm39) T264K probably damaging Het
Srrm2 A G 17: 24,029,442 (GRCm39) probably benign Het
Syne2 T A 12: 76,152,834 (GRCm39) H6674Q probably benign Het
Tyw1 T A 5: 130,364,073 (GRCm39) probably null Het
Vmn1r115 C T 7: 20,578,207 (GRCm39) R235K probably benign Het
Vmn2r50 A C 7: 9,784,235 (GRCm39) F80V probably damaging Het
Yme1l1 G A 2: 23,065,199 (GRCm39) R236H probably damaging Het
Other mutations in Alpl
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01099:Alpl APN 4 137,470,624 (GRCm39) splice site probably benign
IGL02164:Alpl APN 4 137,481,290 (GRCm39) missense probably damaging 1.00
IGL02379:Alpl APN 4 137,469,869 (GRCm39) missense probably damaging 1.00
IGL02632:Alpl APN 4 137,481,217 (GRCm39) missense probably damaging 0.98
IGL02926:Alpl APN 4 137,469,945 (GRCm39) missense probably damaging 1.00
R0492:Alpl UTSW 4 137,476,887 (GRCm39) splice site probably null
R1157:Alpl UTSW 4 137,481,331 (GRCm39) missense probably damaging 1.00
R2013:Alpl UTSW 4 137,482,458 (GRCm39) missense probably benign 0.00
R2067:Alpl UTSW 4 137,476,856 (GRCm39) unclassified probably benign
R4440:Alpl UTSW 4 137,475,124 (GRCm39) missense probably damaging 1.00
R5275:Alpl UTSW 4 137,476,919 (GRCm39) missense probably benign 0.00
R5295:Alpl UTSW 4 137,476,919 (GRCm39) missense probably benign 0.00
R5529:Alpl UTSW 4 137,473,733 (GRCm39) missense probably damaging 0.99
R6706:Alpl UTSW 4 137,473,740 (GRCm39) missense probably benign 0.00
R7291:Alpl UTSW 4 137,480,009 (GRCm39) missense probably damaging 1.00
R7693:Alpl UTSW 4 137,471,120 (GRCm39) missense probably damaging 1.00
R7694:Alpl UTSW 4 137,471,120 (GRCm39) missense probably damaging 1.00
R8247:Alpl UTSW 4 137,473,764 (GRCm39) missense probably damaging 1.00
R8686:Alpl UTSW 4 137,471,112 (GRCm39) missense probably damaging 1.00
R8725:Alpl UTSW 4 137,475,127 (GRCm39) missense probably benign
R8727:Alpl UTSW 4 137,475,127 (GRCm39) missense probably benign
X0017:Alpl UTSW 4 137,473,778 (GRCm39) missense probably damaging 1.00
Z1176:Alpl UTSW 4 137,481,321 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGCTAAGAGATCTTGCTTTGAGC -3'
(R):5'- TTGGTACTCAACAAGTTCTTGCTC -3'

Sequencing Primer
(F):5'- AGACCACACTCTCATCTG -3'
(R):5'- TCTAGGATCGGAACGTCA -3'
Posted On 2015-07-07