Incidental Mutation 'R1066:Pik3r1'
ID 86020
Institutional Source Beutler Lab
Gene Symbol Pik3r1
Ensembl Gene ENSMUSG00000041417
Gene Name phosphoinositide-3-kinase regulatory subunit 1
Synonyms p85alpha, p55alpha, PI3K, p50alpha
MMRRC Submission 039152-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R1066 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 101817269-101904725 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 101825171 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Serine at position 465 (R465S)
Ref Sequence ENSEMBL: ENSMUSP00000056774 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035532] [ENSMUST00000055518] [ENSMUST00000185795] [ENSMUST00000187009]
AlphaFold P26450
Predicted Effect probably benign
Transcript: ENSMUST00000035532
AA Change: R195S

PolyPhen 2 Score 0.041 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000047004
Gene: ENSMUSG00000041417
AA Change: R195S

DomainStartEndE-ValueType
low complexity region 34 44 N/A INTRINSIC
SH2 61 144 9.96e-28 SMART
low complexity region 263 278 N/A INTRINSIC
SH2 352 434 7.33e-26 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000055518
AA Change: R465S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000056774
Gene: ENSMUSG00000041417
AA Change: R465S

DomainStartEndE-ValueType
SH3 6 78 2.81e-11 SMART
low complexity region 79 99 N/A INTRINSIC
RhoGAP 126 298 1.94e-37 SMART
low complexity region 303 314 N/A INTRINSIC
SH2 331 414 9.96e-28 SMART
Pfam:PI3K_P85_iSH2 431 599 7.8e-67 PFAM
SH2 622 704 7.33e-26 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000185795
SMART Domains Protein: ENSMUSP00000140312
Gene: ENSMUSG00000041417

DomainStartEndE-ValueType
low complexity region 8 16 N/A INTRINSIC
SH2 31 112 1.52e-23 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000187009
AA Change: R144S

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000140256
Gene: ENSMUSG00000041417
AA Change: R144S

DomainStartEndE-ValueType
SH2 10 93 6.5e-30 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000190171
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.1%
  • 20x: 94.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Phosphatidylinositol 3-kinase phosphorylates the inositol ring of phosphatidylinositol at the 3-prime position. The enzyme comprises a 110 kD catalytic subunit and a regulatory subunit of either 85, 55, or 50 kD. This gene encodes the 85 kD regulatory subunit. Phosphatidylinositol 3-kinase plays an important role in the metabolic actions of insulin, and a mutation in this gene has been associated with insulin resistance. Alternative splicing of this gene results in four transcript variants encoding different isoforms. [provided by RefSeq, Jun 2011]
PHENOTYPE: Homozygotes for a targeted null mutation exhibit perinatal lethality associated with hepatic necrosis, chylous ascites, enlarged muscle fibers, calcification of cardiac tissue, and hypoglycemia. Mutants lacking only the major isoform are immunodeficient. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 37 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts8 T A 9: 30,867,837 (GRCm39) C554S probably damaging Het
Adarb2 T G 13: 8,807,359 (GRCm39) F720C probably benign Het
Arid5b T C 10: 67,934,186 (GRCm39) D572G probably benign Het
BB014433 C T 8: 15,092,185 (GRCm39) V223M probably damaging Het
Boc T C 16: 44,311,047 (GRCm39) probably null Het
Brf2 T C 8: 27,613,974 (GRCm39) E404G probably benign Het
Ces3a T A 8: 105,782,288 (GRCm39) H380Q probably benign Het
Chd9 T A 8: 91,712,764 (GRCm39) Y389* probably null Het
Csmd3 A G 15: 47,777,361 (GRCm39) F1182L probably damaging Het
Dnah2 C A 11: 69,338,645 (GRCm39) W3169L probably damaging Het
Dnah3 T A 7: 119,660,232 (GRCm39) E802D probably damaging Het
Dtx4 G T 19: 12,478,373 (GRCm39) T70K probably damaging Het
Fat4 T C 3: 39,011,376 (GRCm39) Y2159H probably damaging Het
Flrt2 T A 12: 95,745,833 (GRCm39) V57E probably damaging Het
Gsdmc2 T A 15: 63,696,899 (GRCm39) Y424F possibly damaging Het
Igfn1 T C 1: 135,898,463 (GRCm39) E701G probably benign Het
Klhl42 T C 6: 147,009,397 (GRCm39) V412A probably benign Het
Mkln1 A C 6: 31,395,922 (GRCm39) N52T possibly damaging Het
Msantd5f6 C A 4: 73,320,066 (GRCm39) V238L possibly damaging Het
Myo15b A T 11: 115,770,577 (GRCm39) M1519L probably benign Het
Nup155 A T 15: 8,187,244 (GRCm39) H1391L probably damaging Het
Or5b113 T C 19: 13,342,451 (GRCm39) M153T probably benign Het
P4ha3 G T 7: 99,967,270 (GRCm39) V360L possibly damaging Het
Pals2 A T 6: 50,122,847 (GRCm39) N31I possibly damaging Het
Phf14 T A 6: 11,987,254 (GRCm39) D611E possibly damaging Het
Reep3 G T 10: 66,870,445 (GRCm39) T117K probably damaging Het
Reln G T 5: 22,239,662 (GRCm39) N868K probably damaging Het
Sdcbp T G 4: 6,385,120 (GRCm39) I113S probably damaging Het
Sema4c A T 1: 36,589,281 (GRCm39) V615E possibly damaging Het
Slc25a18 A G 6: 120,765,249 (GRCm39) probably null Het
Tedc2 T A 17: 24,435,291 (GRCm39) E366V probably damaging Het
Tedc2 C A 17: 24,435,292 (GRCm39) E366* probably null Het
Uba2 A T 7: 33,858,247 (GRCm39) F70I probably damaging Het
Usp42 A T 5: 143,703,796 (GRCm39) H422Q probably damaging Het
Vmn2r86 C T 10: 130,282,145 (GRCm39) V824I probably benign Het
Vps50 A C 6: 3,533,565 (GRCm39) T266P probably damaging Het
Znhit6 T A 3: 145,284,252 (GRCm39) D141E probably damaging Het
Other mutations in Pik3r1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00323:Pik3r1 APN 13 101,827,044 (GRCm39) start codon destroyed probably benign
IGL00484:Pik3r1 APN 13 101,838,255 (GRCm39) missense probably benign 0.08
IGL00911:Pik3r1 APN 13 101,894,169 (GRCm39) utr 5 prime probably benign
IGL01620:Pik3r1 APN 13 101,822,728 (GRCm39) missense probably damaging 1.00
IGL01872:Pik3r1 APN 13 101,825,625 (GRCm39) missense probably benign 0.01
IGL02544:Pik3r1 APN 13 101,823,784 (GRCm39) missense probably damaging 1.00
IGL02959:Pik3r1 APN 13 101,894,037 (GRCm39) missense probably benign 0.02
anubis UTSW 13 101,839,284 (GRCm39) nonsense probably null
Astro_boy UTSW 13 101,838,240 (GRCm39) missense probably damaging 1.00
Pennywhistle UTSW 13 101,825,914 (GRCm39) missense probably damaging 0.96
Rocket UTSW 13 101,825,952 (GRCm39) missense probably damaging 1.00
Starburst UTSW 13 101,894,166 (GRCm39) start codon destroyed probably null 0.99
R0635:Pik3r1 UTSW 13 101,893,926 (GRCm39) missense probably benign
R0751:Pik3r1 UTSW 13 101,822,866 (GRCm39) splice site probably null
R0787:Pik3r1 UTSW 13 101,827,031 (GRCm39) missense probably benign 0.30
R0845:Pik3r1 UTSW 13 101,822,772 (GRCm39) missense probably benign 0.45
R0891:Pik3r1 UTSW 13 101,837,974 (GRCm39) missense probably benign
R1184:Pik3r1 UTSW 13 101,822,866 (GRCm39) splice site probably null
R1735:Pik3r1 UTSW 13 101,822,882 (GRCm39) missense probably damaging 1.00
R2474:Pik3r1 UTSW 13 101,839,284 (GRCm39) nonsense probably null
R3015:Pik3r1 UTSW 13 101,823,771 (GRCm39) missense probably damaging 1.00
R3419:Pik3r1 UTSW 13 101,828,723 (GRCm39) missense probably benign 0.17
R3876:Pik3r1 UTSW 13 101,821,465 (GRCm39) missense probably benign 0.01
R3964:Pik3r1 UTSW 13 101,825,193 (GRCm39) missense possibly damaging 0.75
R4175:Pik3r1 UTSW 13 101,838,241 (GRCm39) missense probably benign 0.25
R4175:Pik3r1 UTSW 13 101,838,240 (GRCm39) missense probably damaging 1.00
R4422:Pik3r1 UTSW 13 101,830,892 (GRCm39) missense probably benign
R4890:Pik3r1 UTSW 13 101,894,118 (GRCm39) missense probably damaging 1.00
R5038:Pik3r1 UTSW 13 101,825,952 (GRCm39) missense probably damaging 1.00
R5117:Pik3r1 UTSW 13 101,828,744 (GRCm39) missense probably benign
R6066:Pik3r1 UTSW 13 101,822,828 (GRCm39) missense possibly damaging 0.72
R6254:Pik3r1 UTSW 13 101,825,914 (GRCm39) missense possibly damaging 0.89
R7421:Pik3r1 UTSW 13 101,825,644 (GRCm39) missense probably damaging 1.00
R7507:Pik3r1 UTSW 13 101,845,490 (GRCm39) missense probably benign 0.00
R7538:Pik3r1 UTSW 13 101,825,914 (GRCm39) missense probably damaging 0.96
R7605:Pik3r1 UTSW 13 101,839,346 (GRCm39) missense probably benign
R7739:Pik3r1 UTSW 13 101,846,205 (GRCm39) missense probably benign 0.01
R8695:Pik3r1 UTSW 13 101,894,062 (GRCm39) missense probably benign 0.40
R9146:Pik3r1 UTSW 13 101,825,136 (GRCm39) splice site probably benign
R9315:Pik3r1 UTSW 13 101,894,166 (GRCm39) start codon destroyed probably null 0.99
R9678:Pik3r1 UTSW 13 101,839,289 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CACTGCGAGTTAGAAGCAAGCTTAATG -3'
(R):5'- GTTGCTCTACCCAGTGTCCAAATACC -3'

Sequencing Primer
(F):5'- GTAGGACTTTATAAGCATGGGTTAAG -3'
(R):5'- GGCCAGAGACTCTTCAGCATAG -3'
Posted On 2013-11-18