Incidental Mutation 'R1512:Prex2'
ID 168379
Institutional Source Beutler Lab
Gene Symbol Prex2
Ensembl Gene ENSMUSG00000048960
Gene Name phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 2
Synonyms C030045D06Rik, 6230420N16Rik, Depdc2
MMRRC Submission 039559-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R1512 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 11131554 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Serine at position 41 (F41S)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect possibly damaging
Transcript: ENSMUST00000027056
AA Change: F41S

PolyPhen 2 Score 0.638 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: F41S

DomainStartEndE-ValueType
RhoGEF 19 205 8.61e-45 SMART
PH 238 355 2.43e-12 SMART
DEP 383 456 4.46e-26 SMART
DEP 484 557 6.57e-15 SMART
PDZ 593 666 9.62e-2 SMART
PDZ 677 744 6.37e-8 SMART
low complexity region 1112 1127 N/A INTRINSIC
low complexity region 1498 1507 N/A INTRINSIC
Meta Mutation Damage Score 0.9512 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.3%
  • 10x: 96.4%
  • 20x: 93.0%
Validation Efficiency 95% (79/83)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene belongs to the phosphatidylinositol 3,4,5-trisphosphate (PIP3)-dependent Rac exchanger (PREX) family, which are Dbl-type guanine-nucleotide exchange factors for Rac family small G proteins. Structural domains of this protein include the catalytic diffuse B-cell lymphoma homology and pleckstrin homology (DHPH) domain, two disheveled, EGL-10, and pleckstrin homology (DEP) domains, two PDZ domains, and a C-terminal inositol polyphosphate-4 phosphatase (IP4P) domain that is found in one of the isoforms. This protein facilitates the exchange of GDP for GTP on Rac1, allowing the GTP-bound Rac1 to activate downstream effectors. Studies also show that the pleckstrin homology domain of this protein interacts with the phosphatase and tensin homolog (PTEN) gene product to inhibit PTEN phosphatase activity, thus activating the phosphoinositide-3 kinase (PI3K) signaling pathway. Conversely, the PTEN gene product has also been shown to inhibit the GEF activity of this protein. This gene plays a role in insulin-signaling pathways, and either mutations or overexpression of this gene have been observed in some cancers. [provided by RefSeq, Apr 2016]
PHENOTYPE: Mice homozygous for gene trapped alleles may exhibit abnormal Purkinje cell dendrite morphology, a mild motor coordination defect that progressively worsens with age, hypoactivity, impaired glucose tolerance and/or insulin resistance. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 83 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acaca T A 11: 84,086,295 (GRCm39) D40E probably benign Het
Acsf2 C T 11: 94,452,224 (GRCm39) probably benign Het
Adamts19 C T 18: 59,181,917 (GRCm39) H1119Y possibly damaging Het
Akap6 A G 12: 52,983,937 (GRCm39) D827G probably damaging Het
Ankrd33b T C 15: 31,367,375 (GRCm39) D55G probably damaging Het
Ano5 T A 7: 51,229,316 (GRCm39) H569Q probably benign Het
Aox1 A G 1: 58,346,510 (GRCm39) D548G probably benign Het
Baz2a A G 10: 127,960,021 (GRCm39) D1433G possibly damaging Het
BC031181 T G 18: 75,141,767 (GRCm39) V8G probably damaging Het
Bicdl2 A T 17: 23,887,083 (GRCm39) M457L probably damaging Het
C130074G19Rik T C 1: 184,615,103 (GRCm39) D29G probably damaging Het
Cd200r1 A T 16: 44,586,390 (GRCm39) T7S probably benign Het
Cdc37 A G 9: 21,053,712 (GRCm39) probably benign Het
Cmtr2 T C 8: 110,949,267 (GRCm39) S526P probably damaging Het
Cntn2 G T 1: 132,451,430 (GRCm39) A433D probably damaging Het
Cntnap5a T C 1: 115,828,680 (GRCm39) S35P probably benign Het
Csf3r A G 4: 125,923,777 (GRCm39) T96A possibly damaging Het
Ctbs A G 3: 146,160,720 (GRCm39) N96D probably benign Het
Cyp26b1 C A 6: 84,553,979 (GRCm39) V213L probably benign Het
Dach1 A G 14: 98,138,835 (GRCm39) L536P probably damaging Het
Dcaf6 T C 1: 165,179,589 (GRCm39) Q517R probably benign Het
Dnah1 G T 14: 31,014,994 (GRCm39) Q1733K probably damaging Het
Dnah17 A T 11: 117,985,841 (GRCm39) I1416N probably benign Het
Dock11 G A X: 35,283,688 (GRCm39) R1102H probably damaging Het
Dpp8 T C 9: 64,971,096 (GRCm39) probably benign Het
Emc1 G A 4: 139,087,495 (GRCm39) probably null Het
Emc8 A G 8: 121,384,983 (GRCm39) L76P possibly damaging Het
Emx2 T C 19: 59,448,035 (GRCm39) Y130H possibly damaging Het
Fbf1 C T 11: 116,038,753 (GRCm39) R815Q probably damaging Het
Foxb2 G A 19: 16,849,878 (GRCm39) P376L probably damaging Het
Gabrb1 C A 5: 72,266,047 (GRCm39) L202I probably damaging Het
Gabrb1 T A 5: 72,266,048 (GRCm39) L202Q probably damaging Het
Grin2c T A 11: 115,144,676 (GRCm39) I617F probably damaging Het
Gtf2h3 T A 5: 124,728,933 (GRCm39) V164E probably damaging Het
Gusb T C 5: 130,029,731 (GRCm39) Q88R probably damaging Het
Hormad2 T A 11: 4,374,788 (GRCm39) K75N probably damaging Het
Il33 A G 19: 29,929,390 (GRCm39) T38A possibly damaging Het
Ivns1abp A T 1: 151,236,687 (GRCm39) Q416L possibly damaging Het
Ivns1abp G C 1: 151,236,688 (GRCm39) Q416H probably benign Het
Kcnh5 T A 12: 75,166,711 (GRCm39) H178L probably benign Het
Kif21b A G 1: 136,080,543 (GRCm39) N579S probably benign Het
Kif26a G C 12: 112,113,389 (GRCm39) R95P possibly damaging Het
Kl A G 5: 150,912,062 (GRCm39) I604V probably benign Het
Klhl24 A G 16: 19,941,686 (GRCm39) K545E probably damaging Het
Mcm3ap A G 10: 76,306,347 (GRCm39) I153M probably damaging Het
Meis1 T G 11: 18,831,682 (GRCm39) D452A probably damaging Het
Msantd4 C T 9: 4,384,138 (GRCm39) P153L probably benign Het
Myot A G 18: 44,475,422 (GRCm39) E181G probably damaging Het
Nf1 T C 11: 79,281,195 (GRCm39) F150S probably damaging Het
Nyap2 T A 1: 81,219,566 (GRCm39) S529R probably damaging Het
Or10d3 T C 9: 39,461,390 (GRCm39) Y259C probably damaging Het
Or12e10 A T 2: 87,640,988 (GRCm39) T275S probably benign Het
Or2y1c A G 11: 49,361,286 (GRCm39) I103V probably benign Het
Or8b56 T A 9: 38,739,660 (GRCm39) Y224* probably null Het
Pcnt C T 10: 76,240,496 (GRCm39) probably null Het
Pik3c3 T C 18: 30,455,289 (GRCm39) probably null Het
Pkdcc A T 17: 83,527,473 (GRCm39) Y217F possibly damaging Het
Pnpla6 C A 8: 3,585,459 (GRCm39) probably benign Het
Polr3gl T C 3: 96,488,190 (GRCm39) M26V probably benign Het
Ppp1r13b T C 12: 111,838,842 (GRCm39) N12S possibly damaging Het
Ppp1r26 G A 2: 28,341,528 (GRCm39) R386K probably benign Het
Prdm10 A G 9: 31,248,697 (GRCm39) E355G probably damaging Het
Prkar1b G T 5: 139,036,428 (GRCm39) Y231* probably null Het
Prkdc A T 16: 15,505,268 (GRCm39) I857L probably benign Het
Psg21 A T 7: 18,390,425 (GRCm39) N10K probably benign Het
Rapgef3 A T 15: 97,655,382 (GRCm39) V444E probably benign Het
Rnf17 A T 14: 56,705,243 (GRCm39) T716S probably benign Het
Rps6ka1 C T 4: 133,578,315 (GRCm39) R577H probably damaging Het
Scn1a A C 2: 66,161,629 (GRCm39) N306K possibly damaging Het
Skint6 A G 4: 113,095,329 (GRCm39) I110T probably damaging Het
Ssu2 A G 6: 112,364,959 (GRCm39) M1T probably null Het
Stag3 A T 5: 138,296,247 (GRCm39) T437S probably benign Het
Tal2 A G 4: 53,786,107 (GRCm39) Y96C probably benign Het
Thoc3 A T 13: 54,613,991 (GRCm39) probably null Het
Tle1 T C 4: 72,059,495 (GRCm39) D19G probably damaging Het
Trpm4 A G 7: 44,964,468 (GRCm39) I690T probably benign Het
Trpm6 A T 19: 18,853,295 (GRCm39) M1772L probably benign Het
Unc5b G A 10: 60,667,254 (GRCm39) probably benign Het
Usf3 G T 16: 44,041,561 (GRCm39) V2014F probably damaging Het
Utp18 C T 11: 93,776,390 (GRCm39) A32T probably benign Het
Wdfy4 A G 14: 32,682,765 (GRCm39) V2981A probably damaging Het
Zfp608 A G 18: 55,079,738 (GRCm39) V349A probably damaging Het
Znfx1 A C 2: 166,898,237 (GRCm39) I229S probably benign Het
Other mutations in Prex2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00497:Prex2 APN 1 11,256,876 (GRCm39) missense possibly damaging 0.51
IGL00948:Prex2 APN 1 11,240,838 (GRCm39) missense probably damaging 0.98
IGL01087:Prex2 APN 1 11,138,328 (GRCm39) missense probably benign 0.00
IGL01490:Prex2 APN 1 11,254,769 (GRCm39) splice site probably null
IGL01533:Prex2 APN 1 11,256,965 (GRCm39) nonsense probably null
IGL01661:Prex2 APN 1 11,278,838 (GRCm39) missense probably benign 0.01
IGL01668:Prex2 APN 1 11,223,869 (GRCm39) missense probably benign 0.00
IGL01674:Prex2 APN 1 11,240,965 (GRCm39) missense probably damaging 1.00
IGL01716:Prex2 APN 1 11,336,278 (GRCm39) missense probably benign 0.04
IGL01867:Prex2 APN 1 11,168,727 (GRCm39) missense probably benign 0.11
IGL01954:Prex2 APN 1 11,210,235 (GRCm39) missense possibly damaging 0.75
IGL01990:Prex2 APN 1 11,193,457 (GRCm39) splice site probably benign
IGL02022:Prex2 APN 1 11,367,963 (GRCm39) missense probably benign 0.04
IGL02130:Prex2 APN 1 11,230,386 (GRCm39) missense probably damaging 1.00
IGL02130:Prex2 APN 1 11,183,023 (GRCm39) missense probably damaging 1.00
IGL02221:Prex2 APN 1 11,131,569 (GRCm39) missense probably benign 0.00
IGL02369:Prex2 APN 1 11,171,393 (GRCm39) critical splice donor site probably null
IGL02440:Prex2 APN 1 11,223,881 (GRCm39) missense possibly damaging 0.94
IGL02477:Prex2 APN 1 11,274,378 (GRCm39) missense probably benign
IGL02492:Prex2 APN 1 11,194,069 (GRCm39) missense possibly damaging 0.93
IGL03051:Prex2 APN 1 11,212,889 (GRCm39) missense probably damaging 1.00
IGL03154:Prex2 APN 1 11,223,857 (GRCm39) missense possibly damaging 0.63
IGL03158:Prex2 APN 1 11,336,291 (GRCm39) missense possibly damaging 0.89
IGL03308:Prex2 APN 1 11,255,399 (GRCm39) missense possibly damaging 0.89
IGL03338:Prex2 APN 1 11,210,489 (GRCm39) missense probably benign 0.01
R0042:Prex2 UTSW 1 11,150,305 (GRCm39) missense probably damaging 1.00
R0052:Prex2 UTSW 1 11,230,380 (GRCm39) missense probably damaging 1.00
R0052:Prex2 UTSW 1 11,230,380 (GRCm39) missense probably damaging 1.00
R0138:Prex2 UTSW 1 11,355,267 (GRCm39) splice site probably benign
R0206:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0206:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0208:Prex2 UTSW 1 11,355,368 (GRCm39) missense probably damaging 1.00
R0325:Prex2 UTSW 1 11,270,281 (GRCm39) splice site probably null
R0326:Prex2 UTSW 1 11,355,289 (GRCm39) missense probably damaging 1.00
R0390:Prex2 UTSW 1 11,159,930 (GRCm39) splice site probably null
R0492:Prex2 UTSW 1 11,256,857 (GRCm39) splice site probably benign
R0512:Prex2 UTSW 1 11,270,157 (GRCm39) missense probably benign
R0515:Prex2 UTSW 1 11,270,098 (GRCm39) missense probably damaging 0.99
R0894:Prex2 UTSW 1 11,252,122 (GRCm39) missense probably benign
R1259:Prex2 UTSW 1 11,359,494 (GRCm39) missense probably damaging 1.00
R1332:Prex2 UTSW 1 11,274,315 (GRCm39) missense probably damaging 1.00
R1356:Prex2 UTSW 1 11,150,316 (GRCm39) nonsense probably null
R1451:Prex2 UTSW 1 11,226,483 (GRCm39) missense probably benign 0.01
R1488:Prex2 UTSW 1 11,263,752 (GRCm39) missense probably benign 0.05
R1641:Prex2 UTSW 1 11,301,996 (GRCm39) missense probably damaging 0.99
R1667:Prex2 UTSW 1 11,256,981 (GRCm39) missense probably benign
R1678:Prex2 UTSW 1 11,355,313 (GRCm39) missense possibly damaging 0.51
R1736:Prex2 UTSW 1 11,160,108 (GRCm39) splice site probably benign
R1781:Prex2 UTSW 1 11,270,179 (GRCm39) missense probably benign 0.17
R1804:Prex2 UTSW 1 11,202,566 (GRCm39) missense probably damaging 1.00
R1836:Prex2 UTSW 1 11,207,004 (GRCm39) missense probably damaging 1.00
R1899:Prex2 UTSW 1 11,232,590 (GRCm39) nonsense probably null
R1900:Prex2 UTSW 1 11,232,590 (GRCm39) nonsense probably null
R2020:Prex2 UTSW 1 11,232,536 (GRCm39) missense probably damaging 0.98
R2114:Prex2 UTSW 1 11,256,937 (GRCm39) missense probably damaging 1.00
R2117:Prex2 UTSW 1 11,256,937 (GRCm39) missense probably damaging 1.00
R2436:Prex2 UTSW 1 11,336,376 (GRCm39) missense possibly damaging 0.90
R2902:Prex2 UTSW 1 11,278,838 (GRCm39) missense possibly damaging 0.77
R2915:Prex2 UTSW 1 11,240,077 (GRCm39) missense probably damaging 1.00
R2924:Prex2 UTSW 1 11,168,711 (GRCm39) missense probably damaging 1.00
R2981:Prex2 UTSW 1 11,252,186 (GRCm39) missense probably damaging 1.00
R3430:Prex2 UTSW 1 11,220,078 (GRCm39) missense possibly damaging 0.88
R3832:Prex2 UTSW 1 11,226,588 (GRCm39) splice site probably benign
R3870:Prex2 UTSW 1 11,230,416 (GRCm39) missense possibly damaging 0.86
R3963:Prex2 UTSW 1 11,180,581 (GRCm39) missense possibly damaging 0.93
R4012:Prex2 UTSW 1 11,254,740 (GRCm39) missense probably benign
R4030:Prex2 UTSW 1 11,278,792 (GRCm39) missense probably benign 0.06
R4214:Prex2 UTSW 1 11,355,285 (GRCm39) missense probably damaging 1.00
R4214:Prex2 UTSW 1 11,171,383 (GRCm39) missense probably damaging 1.00
R4242:Prex2 UTSW 1 11,226,528 (GRCm39) missense probably benign 0.06
R4490:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4491:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4492:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R4561:Prex2 UTSW 1 11,254,769 (GRCm39) splice site probably null
R4624:Prex2 UTSW 1 11,359,489 (GRCm39) nonsense probably null
R4647:Prex2 UTSW 1 11,232,509 (GRCm39) missense probably damaging 1.00
R4657:Prex2 UTSW 1 11,136,049 (GRCm39) missense probably benign 0.00
R4706:Prex2 UTSW 1 11,270,212 (GRCm39) missense probably damaging 1.00
R4806:Prex2 UTSW 1 11,138,244 (GRCm39) missense probably damaging 1.00
R4900:Prex2 UTSW 1 11,220,129 (GRCm39) splice site probably benign
R4922:Prex2 UTSW 1 11,240,164 (GRCm39) missense probably damaging 1.00
R4961:Prex2 UTSW 1 11,168,705 (GRCm39) missense possibly damaging 0.75
R5284:Prex2 UTSW 1 11,336,314 (GRCm39) nonsense probably null
R5305:Prex2 UTSW 1 11,177,902 (GRCm39) missense probably damaging 1.00
R5307:Prex2 UTSW 1 11,270,256 (GRCm39) missense probably damaging 0.99
R5331:Prex2 UTSW 1 11,210,235 (GRCm39) missense possibly damaging 0.75
R5385:Prex2 UTSW 1 11,210,204 (GRCm39) missense probably damaging 0.99
R5574:Prex2 UTSW 1 11,210,282 (GRCm39) missense probably damaging 1.00
R5979:Prex2 UTSW 1 11,202,596 (GRCm39) missense probably damaging 1.00
R6076:Prex2 UTSW 1 11,256,174 (GRCm39) missense probably benign 0.09
R6160:Prex2 UTSW 1 11,064,075 (GRCm39) missense probably damaging 1.00
R6177:Prex2 UTSW 1 11,207,001 (GRCm39) missense possibly damaging 0.49
R6221:Prex2 UTSW 1 11,336,236 (GRCm39) missense probably benign 0.01
R6293:Prex2 UTSW 1 11,232,522 (GRCm39) missense probably benign
R6335:Prex2 UTSW 1 11,180,544 (GRCm39) missense probably benign 0.13
R6401:Prex2 UTSW 1 11,256,951 (GRCm39) missense probably benign 0.00
R6427:Prex2 UTSW 1 11,252,255 (GRCm39) missense probably damaging 1.00
R6467:Prex2 UTSW 1 11,336,259 (GRCm39) missense probably damaging 1.00
R6564:Prex2 UTSW 1 11,171,285 (GRCm39) splice site probably null
R6734:Prex2 UTSW 1 11,150,283 (GRCm39) missense probably damaging 1.00
R6753:Prex2 UTSW 1 11,254,680 (GRCm39) missense probably damaging 0.98
R6880:Prex2 UTSW 1 11,202,608 (GRCm39) missense probably damaging 1.00
R6973:Prex2 UTSW 1 11,182,967 (GRCm39) missense probably damaging 1.00
R6980:Prex2 UTSW 1 11,232,487 (GRCm39) missense probably benign 0.05
R6987:Prex2 UTSW 1 11,240,976 (GRCm39) missense probably damaging 0.99
R7085:Prex2 UTSW 1 11,168,812 (GRCm39) missense possibly damaging 0.73
R7101:Prex2 UTSW 1 11,223,833 (GRCm39) missense possibly damaging 0.86
R7106:Prex2 UTSW 1 11,207,017 (GRCm39) missense probably benign 0.33
R7319:Prex2 UTSW 1 11,232,532 (GRCm39) missense probably benign 0.10
R7342:Prex2 UTSW 1 11,232,549 (GRCm39) missense probably benign 0.00
R7469:Prex2 UTSW 1 11,355,293 (GRCm39) missense probably damaging 1.00
R7528:Prex2 UTSW 1 11,274,316 (GRCm39) missense probably damaging 1.00
R7592:Prex2 UTSW 1 11,193,437 (GRCm39) missense probably damaging 1.00
R7650:Prex2 UTSW 1 11,220,078 (GRCm39) missense possibly damaging 0.67
R7695:Prex2 UTSW 1 11,232,497 (GRCm39) missense probably benign 0.00
R7720:Prex2 UTSW 1 11,252,161 (GRCm39) missense possibly damaging 0.47
R7733:Prex2 UTSW 1 11,252,183 (GRCm39) missense probably benign 0.31
R7859:Prex2 UTSW 1 11,150,274 (GRCm39) missense probably damaging 1.00
R8247:Prex2 UTSW 1 11,270,194 (GRCm39) missense probably benign
R8300:Prex2 UTSW 1 11,301,942 (GRCm39) missense possibly damaging 0.49
R8345:Prex2 UTSW 1 11,270,118 (GRCm39) missense possibly damaging 0.65
R8352:Prex2 UTSW 1 11,355,364 (GRCm39) missense probably benign
R8352:Prex2 UTSW 1 11,355,363 (GRCm39) missense probably benign
R8410:Prex2 UTSW 1 11,223,881 (GRCm39) missense possibly damaging 0.94
R8452:Prex2 UTSW 1 11,355,364 (GRCm39) missense probably benign
R8452:Prex2 UTSW 1 11,355,363 (GRCm39) missense probably benign
R8885:Prex2 UTSW 1 11,240,799 (GRCm39) splice site probably benign
R8926:Prex2 UTSW 1 11,159,930 (GRCm39) splice site probably null
R8968:Prex2 UTSW 1 11,180,562 (GRCm39) nonsense probably null
R9049:Prex2 UTSW 1 11,256,130 (GRCm39) missense probably damaging 0.98
R9398:Prex2 UTSW 1 11,207,028 (GRCm39) missense probably benign 0.00
R9452:Prex2 UTSW 1 11,256,151 (GRCm39) missense probably benign 0.01
R9549:Prex2 UTSW 1 11,256,915 (GRCm39) missense probably damaging 1.00
RF005:Prex2 UTSW 1 11,255,390 (GRCm39) missense possibly damaging 0.47
Z1177:Prex2 UTSW 1 11,359,476 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- GGAAGCACCTGATCCTAAAGGTTTATCC -3'
(R):5'- AGCTGACACTGAATTGAAGAGCCC -3'

Sequencing Primer
(F):5'- cttgatctttagacaatcctcttacc -3'
(R):5'- CTAAAGCTGCCTGCTTACCT -3'
Posted On 2014-04-13