Incidental Mutation 'R0891:Pik3r1'
ID 83513
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 039054-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0891 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 101817269-101904725 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 101837974 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 299 (N299K)
Ref Sequence ENSEMBL: ENSMUSP00000056774 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000055518]
AlphaFold P26450
Predicted Effect probably benign
Transcript: ENSMUST00000055518
AA Change: N299K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000056774
Gene: ENSMUSG00000041417
AA Change: N299K

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 noncoding transcript
Transcript: ENSMUST00000185701
Meta Mutation Damage Score 0.0605 question?
Coding Region Coverage
  • 1x: 99.7%
  • 3x: 98.9%
  • 10x: 96.7%
  • 20x: 92.2%
Validation Efficiency 100% (41/41)
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: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930522L14Rik A T 5: 109,884,156 (GRCm39) N567K possibly damaging Het
Afap1 G A 5: 36,119,196 (GRCm39) probably null Het
Angel2 G T 1: 190,677,270 (GRCm39) K517N possibly damaging Het
Ankrd36 A G 11: 5,637,316 (GRCm39) E1295G possibly damaging Het
Ankrd45 A G 1: 160,982,906 (GRCm39) N139S possibly damaging Het
Ano3 T C 2: 110,528,321 (GRCm39) T498A probably benign Het
Arhgap12 T C 18: 6,026,699 (GRCm39) T720A probably damaging Het
Brd10 G A 19: 29,695,053 (GRCm39) T1547I probably damaging Het
Brsk1 A G 7: 4,707,226 (GRCm39) S260G possibly damaging Het
Calml3 A G 13: 3,853,926 (GRCm39) F93S probably damaging Het
Ccnf G T 17: 24,445,751 (GRCm39) H498Q possibly damaging Het
Col27a1 A C 4: 63,223,420 (GRCm39) probably null Het
Cpne5 A G 17: 29,421,893 (GRCm39) probably benign Het
Dcst1 G A 3: 89,260,584 (GRCm39) T560I probably benign Het
Fndc7 A G 3: 108,777,904 (GRCm39) Y351H possibly damaging Het
Gen1 A G 12: 11,298,355 (GRCm39) probably benign Het
Kcnh8 A T 17: 53,212,242 (GRCm39) D680V probably damaging Het
Kmt2d A G 15: 98,750,572 (GRCm39) probably benign Het
Lrrfip1 T A 1: 90,996,337 (GRCm39) I50N probably damaging Het
Mbip A T 12: 56,387,242 (GRCm39) D132E possibly damaging Het
Nipal3 A T 4: 135,195,898 (GRCm39) I235N possibly damaging Het
Nup93 T A 8: 95,007,891 (GRCm39) probably benign Het
Or6b13 A G 7: 139,782,372 (GRCm39) Y104H probably damaging Het
Or6z6 T A 7: 6,491,471 (GRCm39) Y134F probably damaging Het
Pgbd1 T C 13: 21,606,970 (GRCm39) Y408C probably damaging Het
Pigo G A 4: 43,020,519 (GRCm39) Q808* probably null Het
Pip5k1a A G 3: 94,972,831 (GRCm39) probably benign Het
Semp2l1 T A 1: 32,585,442 (GRCm39) H156L possibly damaging Het
Septin5 G C 16: 18,443,595 (GRCm39) T118R probably damaging Het
Smarcal1 T C 1: 72,638,015 (GRCm39) V483A probably damaging Het
Togaram1 A G 12: 65,029,421 (GRCm39) D948G probably benign Het
Vmn2r75 A T 7: 85,813,476 (GRCm39) V442E possibly damaging Het
Zfp57 A G 17: 37,317,068 (GRCm39) K46E 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
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
R9678:Pik3r1 UTSW 13 101,839,289 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATTCAGCAGCCCGAAGCCTAAG -3'
(R):5'- TGGCCCTAAATTGATGCCTCACAG -3'

Sequencing Primer
(F):5'- gtcaaggctaacctctgctac -3'
(R):5'- TTGATGCCTCACAGATGCAC -3'
Posted On 2013-11-08