Incidental Mutation 'R4012:Prex2'
ID 311718
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 040949-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R4012 (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 11254740 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 1125 (F1125L)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect probably benign
Transcript: ENSMUST00000027056
AA Change: F1125L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: F1125L

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 0.0582 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 93.0%
Validation Efficiency 100% (79/79)
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: 79 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adnp2 G T 18: 80,174,036 (GRCm39) F124L probably benign Het
Aicda A G 6: 122,536,449 (GRCm39) K10E probably benign Het
Als2 A G 1: 59,226,575 (GRCm39) C910R probably benign Het
Ankrd11 T A 8: 123,619,156 (GRCm39) K1565N probably damaging Het
Apol7b T C 15: 77,308,909 (GRCm39) D63G probably damaging Het
Arhgef4 T C 1: 34,764,187 (GRCm39) C1148R possibly damaging Het
Atg16l1 A G 1: 87,694,629 (GRCm39) D102G probably damaging Het
Babam2 T C 5: 32,158,782 (GRCm39) V244A probably damaging Het
Brd10 T G 19: 29,720,990 (GRCm39) K622N probably damaging Het
Cars1 G A 7: 143,113,411 (GRCm39) A668V possibly damaging Het
Ccdc168 T C 1: 44,100,129 (GRCm39) D323G possibly damaging Het
Ccdc185 T A 1: 182,576,453 (GRCm39) S79C possibly damaging Het
Ccdc88b G C 19: 6,826,359 (GRCm39) R1119G probably damaging Het
Cebpz A T 17: 79,231,896 (GRCm39) V810E probably damaging Het
Cep120 T C 18: 53,871,654 (GRCm39) T73A probably damaging Het
Chat C A 14: 32,145,269 (GRCm39) C380F possibly damaging Het
Cltc T C 11: 86,648,087 (GRCm39) Q10R probably benign Het
Cripto C T 9: 110,769,781 (GRCm39) M169I probably benign Het
Cst8 T C 2: 148,646,622 (GRCm39) probably benign Het
Cts3 C T 13: 61,715,868 (GRCm39) probably null Het
Cyp4a29 T A 4: 115,105,707 (GRCm39) D136E probably benign Het
Dmxl2 A C 9: 54,286,297 (GRCm39) probably null Het
Dsg4 T A 18: 20,584,919 (GRCm39) V211E possibly damaging Het
Efcab5 C T 11: 77,008,656 (GRCm39) V957I probably damaging Het
Eif4g2 A T 7: 110,673,358 (GRCm39) L807Q possibly damaging Het
Epha4 A G 1: 77,366,731 (GRCm39) probably benign Het
Epm2aip1 A T 9: 111,101,458 (GRCm39) I144F probably benign Het
Erbb4 C T 1: 68,599,735 (GRCm39) R114H probably damaging Het
Fabp3 C T 4: 130,206,180 (GRCm39) T57I probably benign Het
Fam170a C T 18: 50,415,038 (GRCm39) A228V probably damaging Het
Foxred1 A T 9: 35,117,571 (GRCm39) M254K possibly damaging Het
Gm1527 T A 3: 28,952,969 (GRCm39) C90S probably benign Het
Gpr137b T C 13: 13,533,947 (GRCm39) T370A probably benign Het
Gtf2e2 A G 8: 34,245,993 (GRCm39) probably benign Het
Hgsnat A T 8: 26,445,817 (GRCm39) L359* probably null Het
Hhip A T 8: 80,719,223 (GRCm39) C435S probably damaging Het
Hoxa13 T C 6: 52,236,107 (GRCm39) D310G possibly damaging Het
Hspa14 T C 2: 3,513,675 (GRCm39) Y18C probably damaging Het
Ighg1 A G 12: 113,293,270 (GRCm39) V140A probably damaging Het
Ighv1-58 A T 12: 115,275,930 (GRCm39) Y69* probably null Het
Inpp5j A G 11: 3,450,185 (GRCm39) F615L probably benign Het
Kcna1 T A 6: 126,619,873 (GRCm39) Y149F probably benign Het
Kcnj6 A T 16: 94,625,877 (GRCm39) probably null Het
Krtap4-1 G T 11: 99,518,637 (GRCm39) C124* probably null Het
Lama1 T A 17: 68,119,368 (GRCm39) L2615* probably null Het
Lcp2 A T 11: 34,018,439 (GRCm39) I72F probably damaging Het
Med1 T A 11: 98,062,532 (GRCm39) I189F possibly damaging Het
Meioc C T 11: 102,566,654 (GRCm39) R757C probably damaging Het
Mtr T A 13: 12,204,283 (GRCm39) H1171L probably damaging Het
Mtr G C 13: 12,204,284 (GRCm39) H1171D probably damaging Het
Naa12 A G 18: 80,255,339 (GRCm39) D211G probably benign Het
Nlrc5 A G 8: 95,202,620 (GRCm39) Y240C possibly damaging Het
Nsun4 T A 4: 115,908,259 (GRCm39) H767L possibly damaging Het
Pcdha1 T A 18: 37,064,189 (GRCm39) N284K probably benign Het
Pcdhgb8 A C 18: 37,896,414 (GRCm39) S495R probably benign Het
Pramel1 T A 4: 143,123,260 (GRCm39) I79N possibly damaging Het
Prdm6 A T 18: 53,673,390 (GRCm39) E183D possibly damaging Het
Prkg2 T C 5: 99,127,674 (GRCm39) I346V possibly damaging Het
Ptprz1 A G 6: 23,002,584 (GRCm39) D1558G probably damaging Het
Pttg1ip2 A C 5: 5,528,955 (GRCm39) L20R probably damaging Het
Qng1 T A 13: 58,529,800 (GRCm39) K271* probably null Het
Rab11fip3 GCTCGTCT GCT 17: 26,287,002 (GRCm39) probably null Het
Rin2 C T 2: 145,702,366 (GRCm39) T354I probably benign Het
S100a6 A G 3: 90,521,508 (GRCm39) D50G probably damaging Het
Shroom3 T A 5: 93,096,342 (GRCm39) probably benign Het
Sipa1l1 G A 12: 82,388,556 (GRCm39) V261M possibly damaging Het
Slc5a4b T A 10: 75,910,826 (GRCm39) I337F probably damaging Het
Smarcc1 A G 9: 109,961,273 (GRCm39) Y30C possibly damaging Het
Swap70 A G 7: 109,880,512 (GRCm39) K576E possibly damaging Het
Syt6 A G 3: 103,532,809 (GRCm39) probably benign Het
Szt2 T C 4: 118,241,097 (GRCm39) I1726V probably benign Het
Thoc1 A G 18: 9,987,651 (GRCm39) K453E possibly damaging Het
Tmem38b A G 4: 53,854,409 (GRCm39) I214V probably benign Het
Tonsl A T 15: 76,521,244 (GRCm39) I354N probably damaging Het
Trappc9 T C 15: 72,903,472 (GRCm39) I303V possibly damaging Het
Trim66 A G 7: 109,057,338 (GRCm39) S1032P probably damaging Het
Tsc22d4 T C 5: 137,756,590 (GRCm39) V6A probably benign Het
Ubtd2 A G 11: 32,449,260 (GRCm39) K36E probably benign Het
Zkscan2 T C 7: 123,097,883 (GRCm39) E171G 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
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'- TGAGTTTCATTATGGCATTCACTCC -3'
(R):5'- GCCCAATGTTTCTGGTTCCAG -3'

Sequencing Primer
(F):5'- ATGGCATTCACTCCTATATCTTTCTG -3'
(R):5'- GGTTCCAGTGTACCTAGAACC -3'
Posted On 2015-04-29