Incidental Mutation 'R1292:Pik3ca'
ID 150807
Institutional Source Beutler Lab
Gene Symbol Pik3ca
Ensembl Gene ENSMUSG00000027665
Gene Name phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha
Synonyms 6330412C24Rik, caPI3K, p110alpha
MMRRC Submission 039358-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1292 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 32451203-32520256 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 32508569 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 779 (L779Q)
Ref Sequence ENSEMBL: ENSMUSP00000103878 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000029201] [ENSMUST00000108242] [ENSMUST00000108243]
AlphaFold P42337
Predicted Effect probably damaging
Transcript: ENSMUST00000029201
AA Change: L779Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000029201
Gene: ENSMUSG00000027665
AA Change: L779Q

DomainStartEndE-ValueType
PI3K_p85B 31 108 3.03e-46 SMART
PI3K_rbd 173 292 5e-47 SMART
PI3K_C2 322 425 2.39e-35 SMART
C2 333 441 3.95e-1 SMART
PI3Ka 518 704 8.35e-99 SMART
Blast:PI3Kc 733 766 1e-11 BLAST
PI3Kc 798 1065 8.82e-130 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000108242
AA Change: L657Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000103877
Gene: ENSMUSG00000027665
AA Change: L657Q

DomainStartEndE-ValueType
PI3K_rbd 51 170 5e-47 SMART
PI3K_C2 200 303 2.39e-35 SMART
C2 211 319 3.95e-1 SMART
PI3Ka 396 582 8.35e-99 SMART
Blast:PI3Kc 611 644 1e-11 BLAST
PI3Kc 676 943 8.82e-130 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000108243
AA Change: L779Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000103878
Gene: ENSMUSG00000027665
AA Change: L779Q

DomainStartEndE-ValueType
PI3K_p85B 31 108 3.03e-46 SMART
PI3K_rbd 173 292 5e-47 SMART
PI3K_C2 322 425 2.39e-35 SMART
C2 333 441 3.95e-1 SMART
PI3Ka 518 704 8.35e-99 SMART
Blast:PI3Kc 733 766 1e-11 BLAST
PI3Kc 798 1065 8.82e-130 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000192994
Meta Mutation Damage Score 0.7519 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 97.0%
  • 20x: 94.7%
Validation Efficiency 97% (31/32)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Phosphatidylinositol 3-kinase is composed of an 85 kDa regulatory subunit and a 110 kDa catalytic subunit. The protein encoded by this gene represents the catalytic subunit, which uses ATP to phosphorylate PtdIns, PtdIns4P and PtdIns(4,5)P2. This gene has been found to be oncogenic and has been implicated in cervical cancers. A pseudogene of this gene has been defined on chromosome 22. [provided by RefSeq, Apr 2016]
PHENOTYPE: Homozygous null or knock-in mutations of this gene lead to embryonic death associated with growth retardation, vascular defects and hemorrhage. Surviving mice homozygous for a knock-in allele show impaired lymphangiogenesis, ascites, reduced weight, and resistance to Ras-driven skin tumorigenesis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 29 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930550C14Rik T A 9: 53,336,919 (GRCm39) D74E probably benign Het
Abcb1a A T 5: 8,763,343 (GRCm39) T624S probably benign Het
Atp8b1 T C 18: 64,704,092 (GRCm39) Y342C probably damaging Het
Clcnka A G 4: 141,122,903 (GRCm39) probably benign Het
Cma2 C T 14: 56,211,199 (GRCm39) R164C probably damaging Het
Cnga1 T C 5: 72,762,026 (GRCm39) D496G probably damaging Het
Ctbp2 T A 7: 132,616,918 (GRCm39) R6W probably damaging Het
Cyp3a11 T C 5: 145,802,804 (GRCm39) T230A probably benign Het
Defb40 A C 8: 19,028,080 (GRCm39) I18S probably benign Het
Fcgbpl1 A C 7: 27,842,219 (GRCm39) probably benign Het
Gm10036 T G 18: 15,966,368 (GRCm39) I173S possibly damaging Het
Herc2 A T 7: 55,846,951 (GRCm39) I3634L probably benign Het
Igfbp1 A G 11: 7,150,863 (GRCm39) N218S probably damaging Het
Jag1 C G 2: 136,925,393 (GRCm39) V1070L possibly damaging Het
Kmt2a A T 9: 44,725,991 (GRCm39) probably benign Het
Ly9 T C 1: 171,416,671 (GRCm39) probably null Het
Mmut C A 17: 41,252,298 (GRCm39) A280E probably damaging Het
Or5k16 C T 16: 58,736,134 (GRCm39) R290K probably damaging Het
Or6k6 A G 1: 173,945,420 (GRCm39) F54S probably benign Het
Pcdhb13 T C 18: 37,576,885 (GRCm39) V421A probably benign Het
Plxnd1 T C 6: 115,939,644 (GRCm39) probably benign Het
Prss16 T A 13: 22,193,691 (GRCm39) K35* probably null Het
Rhbdl2 G A 4: 123,723,435 (GRCm39) A280T possibly damaging Het
Slc2a2 C T 3: 28,771,637 (GRCm39) T189I probably damaging Het
Srsf6 C T 2: 162,776,403 (GRCm39) probably benign Het
Tacr1 A G 6: 82,531,856 (GRCm39) I251V probably damaging Het
Tln1 A G 4: 43,534,578 (GRCm39) probably null Het
Vdac3-ps1 T C 13: 18,205,880 (GRCm39) noncoding transcript Het
Zfp458 A T 13: 67,404,754 (GRCm39) C562S probably damaging Het
Other mutations in Pik3ca
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01284:Pik3ca APN 3 32,516,733 (GRCm39) missense probably damaging 1.00
IGL01894:Pik3ca APN 3 32,504,175 (GRCm39) missense possibly damaging 0.91
IGL03118:Pik3ca APN 3 32,514,084 (GRCm39) missense probably damaging 1.00
IGL03184:Pik3ca APN 3 32,494,035 (GRCm39) missense probably benign 0.27
IGL03401:Pik3ca APN 3 32,491,963 (GRCm39) splice site probably null
Interrupted UTSW 3 32,492,211 (GRCm39) missense probably damaging 1.00
Lilfella UTSW 3 32,508,569 (GRCm39) missense probably damaging 1.00
Peninsular UTSW 3 32,516,970 (GRCm39) missense probably benign 0.38
Severed UTSW 3 32,492,076 (GRCm39) missense possibly damaging 0.65
R0084:Pik3ca UTSW 3 32,516,937 (GRCm39) missense possibly damaging 0.78
R0116:Pik3ca UTSW 3 32,514,094 (GRCm39) missense probably damaging 1.00
R0278:Pik3ca UTSW 3 32,493,902 (GRCm39) missense possibly damaging 0.60
R0513:Pik3ca UTSW 3 32,515,660 (GRCm39) missense probably damaging 1.00
R0543:Pik3ca UTSW 3 32,504,410 (GRCm39) critical splice acceptor site probably null
R0622:Pik3ca UTSW 3 32,490,701 (GRCm39) missense probably damaging 1.00
R0630:Pik3ca UTSW 3 32,504,176 (GRCm39) missense possibly damaging 0.91
R1193:Pik3ca UTSW 3 32,510,242 (GRCm39) missense probably damaging 0.99
R1464:Pik3ca UTSW 3 32,515,990 (GRCm39) missense probably damaging 1.00
R1464:Pik3ca UTSW 3 32,515,990 (GRCm39) missense probably damaging 1.00
R1869:Pik3ca UTSW 3 32,504,499 (GRCm39) missense probably damaging 0.99
R1962:Pik3ca UTSW 3 32,498,016 (GRCm39) missense probably benign 0.27
R1969:Pik3ca UTSW 3 32,505,903 (GRCm39) critical splice acceptor site probably null
R2006:Pik3ca UTSW 3 32,504,206 (GRCm39) missense probably damaging 1.00
R2264:Pik3ca UTSW 3 32,492,076 (GRCm39) missense possibly damaging 0.65
R2366:Pik3ca UTSW 3 32,516,943 (GRCm39) nonsense probably null
R2680:Pik3ca UTSW 3 32,498,034 (GRCm39) missense probably benign 0.00
R2680:Pik3ca UTSW 3 32,490,697 (GRCm39) nonsense probably null
R3001:Pik3ca UTSW 3 32,516,946 (GRCm39) missense probably damaging 1.00
R3002:Pik3ca UTSW 3 32,516,946 (GRCm39) missense probably damaging 1.00
R4303:Pik3ca UTSW 3 32,494,084 (GRCm39) nonsense probably null
R4416:Pik3ca UTSW 3 32,515,679 (GRCm39) missense probably damaging 0.99
R4758:Pik3ca UTSW 3 32,492,127 (GRCm39) missense probably benign 0.20
R4822:Pik3ca UTSW 3 32,492,131 (GRCm39) missense probably benign 0.04
R4856:Pik3ca UTSW 3 32,491,312 (GRCm39) missense probably damaging 1.00
R4886:Pik3ca UTSW 3 32,491,312 (GRCm39) missense probably damaging 1.00
R5297:Pik3ca UTSW 3 32,504,202 (GRCm39) missense probably damaging 1.00
R5636:Pik3ca UTSW 3 32,515,709 (GRCm39) missense probably damaging 1.00
R5663:Pik3ca UTSW 3 32,516,928 (GRCm39) missense probably damaging 1.00
R6249:Pik3ca UTSW 3 32,515,712 (GRCm39) missense probably damaging 1.00
R6264:Pik3ca UTSW 3 32,494,863 (GRCm39) critical splice donor site probably null
R6347:Pik3ca UTSW 3 32,516,970 (GRCm39) missense probably benign 0.38
R6538:Pik3ca UTSW 3 32,493,853 (GRCm39) missense probably damaging 1.00
R7020:Pik3ca UTSW 3 32,490,428 (GRCm39) missense probably damaging 0.97
R7720:Pik3ca UTSW 3 32,490,367 (GRCm39) missense probably damaging 1.00
R7864:Pik3ca UTSW 3 32,497,762 (GRCm39) nonsense probably null
R8218:Pik3ca UTSW 3 32,491,996 (GRCm39) missense possibly damaging 0.74
R8478:Pik3ca UTSW 3 32,505,997 (GRCm39) missense probably benign
R9100:Pik3ca UTSW 3 32,514,168 (GRCm39) missense probably damaging 1.00
R9169:Pik3ca UTSW 3 32,503,755 (GRCm39) critical splice donor site probably null
R9255:Pik3ca UTSW 3 32,496,981 (GRCm39) critical splice donor site probably null
R9267:Pik3ca UTSW 3 32,492,211 (GRCm39) missense probably damaging 1.00
R9278:Pik3ca UTSW 3 32,508,587 (GRCm39) missense probably damaging 1.00
R9501:Pik3ca UTSW 3 32,504,062 (GRCm39) missense probably damaging 1.00
R9555:Pik3ca UTSW 3 32,505,916 (GRCm39) missense probably damaging 1.00
Z1177:Pik3ca UTSW 3 32,492,116 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AACCTCAGGTAAGGTTAAGGCCCC -3'
(R):5'- TGCACTCCCTAACGGTTAAACGG -3'

Sequencing Primer
(F):5'- AAGGTTAAGGCCCCTTGTTG -3'
(R):5'- CTAACGGTTAAACGGTTGCC -3'
Posted On 2014-01-29