Incidental Mutation 'R0206:Prex2'
ID 35430
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 038459-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R0206 (G1)
Quality Score 110
Status Validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 11355368 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 1556 (D1556E)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect probably damaging
Transcript: ENSMUST00000027056
AA Change: D1556E

PolyPhen 2 Score 0.997 (Sensitivity: 0.41; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: D1556E

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 probably benign
Transcript: ENSMUST00000187745
Predicted Effect probably benign
Transcript: ENSMUST00000188154
Predicted Effect probably benign
Transcript: ENSMUST00000188189
Predicted Effect probably benign
Transcript: ENSMUST00000189385
Meta Mutation Damage Score 0.1820 question?
Coding Region Coverage
  • 1x: 98.2%
  • 3x: 97.1%
  • 10x: 94.6%
  • 20x: 89.0%
Validation Efficiency 99% (83/84)
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: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A530064D06Rik G A 17: 48,470,486 (GRCm39) T165I probably benign Het
Aadacl2fm1 C T 3: 59,840,110 (GRCm39) R61C probably damaging Het
Acsl5 A G 19: 55,269,001 (GRCm39) K221E probably benign Het
Adam26a A C 8: 44,023,455 (GRCm39) F12V possibly damaging Het
Adgrb2 T C 4: 129,886,352 (GRCm39) L164P probably damaging Het
Aldh1l1 T C 6: 90,546,848 (GRCm39) F384L possibly damaging Het
Arhgef5 A G 6: 43,250,275 (GRCm39) E342G probably damaging Het
Btbd8 A G 5: 107,652,906 (GRCm39) T304A probably benign Het
Cacna1b A G 2: 24,497,492 (GRCm39) S2140P probably damaging Het
Camsap2 G C 1: 136,208,738 (GRCm39) P918R probably damaging Het
Cdca3 C T 6: 124,809,514 (GRCm39) probably benign Het
Cenpj G T 14: 56,801,427 (GRCm39) A182E probably benign Het
Cit A T 5: 116,132,089 (GRCm39) N1782Y possibly damaging Het
Cmya5 A G 13: 93,232,065 (GRCm39) S1008P probably damaging Het
Csgalnact2 T G 6: 118,091,347 (GRCm39) Q197P probably benign Het
D630045J12Rik A G 6: 38,116,385 (GRCm39) M1745T probably damaging Het
Ddt A G 10: 75,608,719 (GRCm39) M1T probably null Het
Dnah11 A C 12: 118,007,509 (GRCm39) N2156K probably damaging Het
Dock3 G T 9: 106,874,195 (GRCm39) Y425* probably null Het
Eng A T 2: 32,569,005 (GRCm39) T511S probably benign Het
Gabra6 C T 11: 42,207,906 (GRCm39) W188* probably null Het
Gnptab A T 10: 88,275,372 (GRCm39) H1111L probably damaging Het
H2-M10.4 A G 17: 36,771,375 (GRCm39) W268R probably damaging Het
Hrct1 C A 4: 43,727,384 (GRCm39) T8K possibly damaging Het
Il2ra T C 2: 11,686,828 (GRCm39) probably benign Het
Inhca A G 9: 103,159,861 (GRCm39) C5R probably damaging Het
Inpp5k T C 11: 75,521,969 (GRCm39) I15T probably benign Het
Ipcef1 A G 10: 6,870,062 (GRCm39) S113P probably damaging Het
Kctd8 A T 5: 69,498,508 (GRCm39) V46E probably damaging Het
Klk1b9 T A 7: 43,628,854 (GRCm39) N119K possibly damaging Het
Krtap9-3 C A 11: 99,488,663 (GRCm39) C73F probably damaging Het
Loxhd1 T A 18: 77,492,562 (GRCm39) F1334L possibly damaging Het
Me3 A T 7: 89,498,868 (GRCm39) T483S probably benign Het
Med1 A G 11: 98,046,515 (GRCm39) probably benign Het
Med13 A G 11: 86,191,682 (GRCm39) probably benign Het
Mvk C T 5: 114,597,035 (GRCm39) T334M probably damaging Het
Mxra8 T A 4: 155,927,053 (GRCm39) I329N probably damaging Het
Mybphl T C 3: 108,282,731 (GRCm39) V207A probably damaging Het
Myom1 T C 17: 71,344,292 (GRCm39) S266P probably damaging Het
Nr2f2 G C 7: 70,009,923 (GRCm39) P52R probably damaging Het
Or1d2 A T 11: 74,255,968 (GRCm39) I158F probably benign Het
Or2ag12 A G 7: 106,276,781 (GRCm39) V304A probably benign Het
Or52b1 A T 7: 104,979,090 (GRCm39) M103K possibly damaging Het
Or5b105 G A 19: 13,080,642 (GRCm39) R3C possibly damaging Het
Or5m3 T C 2: 85,838,636 (GRCm39) I172T probably damaging Het
Or6f1 T C 7: 85,970,854 (GRCm39) Y102C probably benign Het
Pcdhb18 T C 18: 37,623,240 (GRCm39) I190T possibly damaging Het
Pgbd1 A C 13: 21,618,651 (GRCm39) L2R probably damaging Het
Pkp4 A G 2: 59,096,780 (GRCm39) I61V probably damaging Het
Pold4 T G 19: 4,282,593 (GRCm39) Y58* probably null Het
Pomgnt1 T C 4: 116,015,757 (GRCm39) probably null Het
Psmd1 T C 1: 86,061,463 (GRCm39) V891A possibly damaging Het
Psme3ip1 A G 8: 95,314,639 (GRCm39) F73S probably damaging Het
Rlig1 T A 10: 100,422,056 (GRCm39) K69* probably null Het
Rmdn2 T A 17: 79,957,716 (GRCm39) probably benign Het
Ryr2 A G 13: 11,691,137 (GRCm39) probably benign Het
Scgb2b27 C A 7: 33,711,562 (GRCm39) E96* probably null Het
Sec16b G T 1: 157,380,505 (GRCm39) G359* probably null Het
Slc1a3 A G 15: 8,738,040 (GRCm39) probably benign Het
Slc28a1 A T 7: 80,767,454 (GRCm39) probably benign Het
Slc35d1 T C 4: 103,065,351 (GRCm39) T177A probably damaging Het
Snx33 G A 9: 56,833,508 (GRCm39) S187L probably damaging Het
Spg11 C T 2: 121,886,177 (GRCm39) probably null Het
Spint1 T C 2: 119,078,826 (GRCm39) probably benign Het
Spta1 A G 1: 174,020,526 (GRCm39) H545R probably damaging Het
Tinag A G 9: 76,907,134 (GRCm39) I367T probably damaging Het
Tln1 C T 4: 43,549,151 (GRCm39) V644M probably damaging Het
Tnfrsf21 C T 17: 43,349,104 (GRCm39) H239Y probably benign Het
Ube4b T C 4: 149,483,094 (GRCm39) H58R probably benign Het
Ush2a A C 1: 188,263,958 (GRCm39) I1612L probably damaging Het
Usp28 A G 9: 48,939,569 (GRCm39) Y275C probably damaging Het
Vmn2r6 T C 3: 64,447,333 (GRCm39) T578A probably benign Het
Vps13c A G 9: 67,846,444 (GRCm39) probably benign Het
Vwf T C 6: 125,614,419 (GRCm39) F1100S probably damaging Het
Zfp318 G T 17: 46,709,945 (GRCm39) R556L probably benign Het
Zkscan1 T A 5: 138,099,448 (GRCm39) C391S probably 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
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 11,355,285 (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'- CATTGGGTGGTTTCTGATAACACTGGTA -3'
(R):5'- CACCTTTTATTCTAGGTCACAGCGCA -3'

Sequencing Primer
(F):5'- CTGATAACACTGGTAGTTCAGATTTC -3'
(R):5'- TATTCTAGGTCACAGCGCAGATAC -3'
Posted On 2013-05-09