Incidental Mutation 'R4900:Prex2'
ID 376055
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 042504-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R4900 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) T to C at 11220129 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect probably benign
Transcript: ENSMUST00000027056
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000187694
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189822
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.1%
Validation Efficiency 100% (84/84)
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: 77 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930590J08Rik T C 6: 91,895,091 (GRCm39) V262A probably benign Het
Abtb2 A G 2: 103,397,349 (GRCm39) E93G possibly damaging Het
Adam5 A C 8: 25,232,172 (GRCm39) probably null Het
Adam5 G A 8: 25,271,619 (GRCm39) T596I probably damaging Het
Adgrb2 T A 4: 129,907,668 (GRCm39) Y1001N probably damaging Het
Aox1 T G 1: 58,344,544 (GRCm39) S546A probably benign Het
Asic2 T C 11: 81,464,280 (GRCm39) probably benign Het
Bcl11b T A 12: 107,955,957 (GRCm39) N64I probably damaging Het
Cacna1g A G 11: 94,350,177 (GRCm39) F556S possibly damaging Het
Cbl A G 9: 44,064,166 (GRCm39) V790A probably benign Het
Cd300c2 A T 11: 114,891,807 (GRCm39) C22* probably null Het
Cdh11 C T 8: 103,374,090 (GRCm39) probably null Het
Ces2g C T 8: 105,693,989 (GRCm39) Q442* probably null Het
Cps1 A T 1: 67,200,063 (GRCm39) T404S probably damaging Het
Csf2rb2 A T 15: 78,170,174 (GRCm39) probably null Het
Csmd2 A G 4: 128,346,318 (GRCm39) Y1526C probably benign Het
Cyp2a12 C T 7: 26,730,640 (GRCm39) Q202* probably null Het
Cyp2c39 G A 19: 39,502,020 (GRCm39) M136I probably benign Het
Cyp2j13 G A 4: 95,947,280 (GRCm39) T257I probably damaging Het
Dnah8 T A 17: 30,965,949 (GRCm39) L2427Q probably damaging Het
Dop1b G T 16: 93,560,318 (GRCm39) probably null Het
Entrep1 A G 19: 23,952,790 (GRCm39) S507P possibly damaging Het
Epcam T C 17: 87,951,049 (GRCm39) V212A possibly damaging Het
Flt1 C A 5: 147,620,749 (GRCm39) A132S probably benign Het
Flvcr2 T A 12: 85,829,756 (GRCm39) V255D probably damaging Het
Galc G T 12: 98,197,731 (GRCm39) T326K probably damaging Het
Gas2l3 CACTCGTCATACT CACT 10: 89,266,820 (GRCm39) probably benign Het
Gen1 A T 12: 11,291,561 (GRCm39) Y808N probably benign Het
Glis1 C T 4: 107,476,761 (GRCm39) A306V probably damaging Het
Gm10638 A G 8: 87,473,028 (GRCm39) probably benign Het
Gm12789 G A 4: 101,846,182 (GRCm39) probably benign Het
Gm27048 C T 8: 81,661,228 (GRCm39) noncoding transcript Het
Gm4204 T C 1: 135,160,556 (GRCm39) noncoding transcript Het
Gm904 A T 13: 50,799,325 (GRCm39) I95F possibly damaging Het
Gvin3 T G 7: 106,197,793 (GRCm39) noncoding transcript Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Ints11 G A 4: 155,972,887 (GRCm39) D526N probably benign Het
Itfg2 A G 6: 128,393,279 (GRCm39) probably benign Het
Jund T C 8: 71,152,254 (GRCm39) V183A probably damaging Het
Kcnj8 A G 6: 142,512,221 (GRCm39) S129P probably damaging Het
Kcnq3 A G 15: 65,867,259 (GRCm39) S795P probably damaging Het
Lhx8 G T 3: 154,035,925 (GRCm39) A22E probably benign Het
Lrp8 A G 4: 107,664,006 (GRCm39) probably benign Het
Lvrn G T 18: 47,026,768 (GRCm39) A789S probably damaging Het
Lvrn T C 18: 47,014,479 (GRCm39) S526P probably damaging Het
Mga T A 2: 119,794,535 (GRCm39) C2622S possibly damaging Het
Mroh8 T C 2: 157,070,647 (GRCm39) E568G probably benign Het
Ms4a4b C A 19: 11,440,503 (GRCm39) probably benign Het
Muc2 T C 7: 141,303,280 (GRCm39) F99S probably benign Het
Myo5c T A 9: 75,180,825 (GRCm39) I738N probably damaging Het
Naip6 A C 13: 100,433,477 (GRCm39) V1120G probably damaging Het
Ncl T C 1: 86,283,901 (GRCm39) T307A probably benign Het
Npr1 A T 3: 90,363,272 (GRCm39) D869E possibly damaging Het
Nup93 A G 8: 95,013,231 (GRCm39) T36A probably benign Het
Olfml2b C A 1: 170,489,947 (GRCm39) T189N probably damaging Het
Or4c12b A G 2: 89,647,312 (GRCm39) N208S possibly damaging Het
Or8b9 T C 9: 37,766,608 (GRCm39) F165L probably benign Het
P4htm A C 9: 108,456,427 (GRCm39) W458G probably damaging Het
Pdzrn4 G T 15: 92,668,638 (GRCm39) R930L probably damaging Het
Pgam5 G A 5: 110,408,301 (GRCm39) A240V probably damaging Het
Ptpru T G 4: 131,515,693 (GRCm39) E897A probably damaging Het
Rapgef2 A T 3: 78,981,670 (GRCm39) N1256K probably benign Het
Rhbdl3 A G 11: 80,210,439 (GRCm39) E64G probably benign Het
Sel1l3 A T 5: 53,289,184 (GRCm39) L879Q probably damaging Het
Siah1a G T 8: 87,451,703 (GRCm39) D260E probably benign Het
Skint6 T C 4: 112,924,667 (GRCm39) I522V probably benign Het
Slco4c1 G A 1: 96,768,953 (GRCm39) P303L probably damaging Het
Smok3c T C 5: 138,062,813 (GRCm39) I100T probably damaging Het
Snx24 C A 18: 53,518,295 (GRCm39) Y141* probably null Het
Tigit A G 16: 43,469,594 (GRCm39) S166P probably damaging Het
Tmem183a C T 1: 134,275,904 (GRCm39) R324Q probably benign Het
Tmie T C 9: 110,696,001 (GRCm39) D130G possibly damaging Het
Uggt1 G A 1: 36,241,936 (GRCm39) R333* probably null Het
Vmn2r111 T C 17: 22,767,637 (GRCm39) N620S possibly damaging Het
Vmn2r12 T A 5: 109,240,852 (GRCm39) N87I probably damaging Het
Vmn2r92 A G 17: 18,404,605 (GRCm39) D583G probably benign Het
Zdhhc17 T C 10: 110,821,819 (GRCm39) D60G possibly damaging 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
R1512:Prex2 UTSW 1 11,131,554 (GRCm39) missense possibly damaging 0.64
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 11,171,383 (GRCm39) missense probably damaging 1.00
R4214:Prex2 UTSW 1 11,355,285 (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
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'- GTGTAGATGAGTGCCTGCAG -3'
(R):5'- GGCCAAAGATTTTCCTGGAGTAC -3'

Sequencing Primer
(F):5'- TGCCTGCAGAACCAACTGTG -3'
(R):5'- AGAAAGGTCTCACTCTTGCCTGAG -3'
Posted On 2016-03-17