Incidental Mutation 'R9678:Pik3r1'
ID 735785
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
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9678 (G1)
Quality Score 225.009
Status Not validated
Chromosome 13
Chromosomal Location 101817269-101904725 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 101839289 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Serine at position 188 (R188S)
Ref Sequence ENSEMBL: ENSMUSP00000056774 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000055518]
AlphaFold P26450
Predicted Effect probably damaging
Transcript: ENSMUST00000055518
AA Change: R188S

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000056774
Gene: ENSMUSG00000041417
AA Change: R188S

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
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.7%
  • 10x: 99.3%
  • 20x: 98.6%
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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgre1 A G 17: 57,750,997 (GRCm39) N557S probably damaging Het
Atr C T 9: 95,792,610 (GRCm39) A1644V possibly damaging Het
C4b A G 17: 34,960,763 (GRCm39) probably null Het
Cdca2 A T 14: 67,937,778 (GRCm39) C292S unknown Het
Cdkn1c T C 7: 143,014,383 (GRCm39) D21G probably benign Het
Clec12a C A 6: 129,330,628 (GRCm39) T70K probably benign Het
Crnkl1 A T 2: 145,761,875 (GRCm39) S561T probably benign Het
Dock4 TGTGCCGGTGCCGGTGCCGGTGCCGGTGCC TGTGCCGGTGCCGGTGCCGGTGCCGGTGCCGGTGCC 12: 40,894,379 (GRCm39) probably benign Het
Dock4 CGGTGC CGGTGCGGGTGC 12: 40,894,396 (GRCm39) probably benign Het
Dock4 TGCCGG TGCCGGCGCCGG 12: 40,894,387 (GRCm39) probably benign Het
Ehbp1 T C 11: 22,101,108 (GRCm39) D274G possibly damaging Het
Fsd2 T C 7: 81,209,449 (GRCm39) Y131C probably damaging Het
Gm10153 C A 7: 141,743,723 (GRCm39) C115F unknown Het
Gm10376 A T 14: 42,873,024 (GRCm39) M1K probably null Het
Gm10837 A T 14: 122,728,438 (GRCm39) K105* probably null Het
H3f3a A G 1: 180,637,680 (GRCm39) probably null Het
Igkv10-96 T A 6: 68,609,224 (GRCm39) M24L probably benign Het
Inpp4a T C 1: 37,405,952 (GRCm39) S157P probably damaging Het
Meaf6 A G 4: 124,996,689 (GRCm39) N133S possibly damaging Het
Nphp3 T C 9: 103,900,686 (GRCm39) V648A possibly damaging Het
Or1i2 C T 10: 78,447,717 (GRCm39) G253R probably damaging Het
Or5k17 A G 16: 58,746,640 (GRCm39) M98T probably benign Het
Parm1 A G 5: 91,742,144 (GRCm39) T171A possibly damaging Het
Rbsn T C 6: 92,188,619 (GRCm39) H32R probably damaging Het
Sdk2 G T 11: 113,685,789 (GRCm39) Y1910* probably null Het
Slfn8 T C 11: 82,907,723 (GRCm39) I273M probably damaging Het
Sult1a1 C T 7: 126,273,536 (GRCm39) V132I probably benign Het
Tagln3 T A 16: 45,544,605 (GRCm39) Y22F probably damaging Het
Tenm4 A G 7: 96,386,619 (GRCm39) E575G possibly damaging Het
Trim24 T C 6: 37,942,449 (GRCm39) V987A probably damaging Het
Trpm7 C A 2: 126,686,290 (GRCm39) V313F probably damaging Het
Trub1 A T 19: 57,446,549 (GRCm39) N93I probably benign Het
Ugdh A G 5: 65,581,470 (GRCm39) V60A possibly damaging Het
Ugt2b5 A C 5: 87,273,186 (GRCm39) D493E probably damaging Het
Utrn G T 10: 12,615,159 (GRCm39) D337E probably benign Het
Vmn2r14 A G 5: 109,364,041 (GRCm39) L625P probably damaging Het
Vmn2r89 A G 14: 51,693,511 (GRCm39) D287G probably benign Het
Xirp2 A T 2: 67,339,788 (GRCm39) E676D possibly damaging Het
Zbbx A G 3: 75,046,841 (GRCm39) L26P 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
R1066:Pik3r1 UTSW 13 101,825,171 (GRCm39) missense probably damaging 1.00
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
Predicted Primers PCR Primer
(F):5'- ACCTCCTACTTATACAGGGCC -3'
(R):5'- GAGGAAAAGCTGTTCTGTCCC -3'

Sequencing Primer
(F):5'- CCTACTTATACAGGGCCGTTGG -3'
(R):5'- GAAAAGCTGTTCTGTCCCAACTTCAG -3'
Posted On 2022-11-14