Incidental Mutation 'R8345:Prex2'
ID 645129
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 067801-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.229) question?
Stock # R8345 (G1)
Quality Score 225.009
Status Not validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 11270118 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Serine at position 1268 (C1268S)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect possibly damaging
Transcript: ENSMUST00000027056
AA Change: C1268S

PolyPhen 2 Score 0.650 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: C1268S

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.5%
Validation Efficiency
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
Acsf3 T C 8: 123,508,284 (GRCm39) V260A probably benign Het
Adgrv1 T C 13: 81,251,505 (GRCm39) D6204G probably damaging Het
Ago3 T A 4: 126,270,721 (GRCm39) K258* probably null Het
Aspm T G 1: 139,392,011 (GRCm39) Y787* probably null Het
Atp8b5 A C 4: 43,291,714 (GRCm39) D29A probably benign Het
Bdh2 A T 3: 135,001,013 (GRCm39) I128F probably damaging Het
Bmper T A 9: 23,136,126 (GRCm39) M69K probably benign Het
Ccdc7a C T 8: 129,525,245 (GRCm39) M1415I probably benign Het
Ccpg1 G A 9: 72,913,001 (GRCm39) R179H probably damaging Het
Cdc23 G A 18: 34,767,150 (GRCm39) T564I probably benign Het
Cemip T A 7: 83,591,373 (GRCm39) probably null Het
Cfap65 C T 1: 74,967,203 (GRCm39) G249R probably benign Het
Clec2m T A 6: 129,302,593 (GRCm39) N145Y probably damaging Het
Cpsf1 T A 15: 76,485,690 (GRCm39) T435S probably benign Het
Dennd5a T C 7: 109,504,477 (GRCm39) T879A possibly damaging Het
Diaph3 G A 14: 87,066,529 (GRCm39) Q955* probably null Het
Disp2 G A 2: 118,641,284 (GRCm39) V298M unknown Het
Dnah1 C A 14: 30,986,551 (GRCm39) D3671Y probably damaging Het
Dnmt3a T C 12: 3,885,234 (GRCm39) S13P unknown Het
Eci3 G A 13: 35,132,164 (GRCm39) T228I probably damaging Het
Ecm2 T C 13: 49,674,276 (GRCm39) L232P probably benign Het
Ednra G A 8: 78,415,813 (GRCm39) R145C probably damaging Het
Faap100 G T 11: 120,267,856 (GRCm39) H306N possibly damaging Het
Fam8a1 T A 13: 46,827,054 (GRCm39) I275K probably damaging Het
Fat3 C A 9: 15,910,570 (GRCm39) V1811L probably benign Het
Fbn2 C T 18: 58,191,503 (GRCm39) C1540Y probably damaging Het
Fcgbpl1 G A 7: 27,854,785 (GRCm39) V1804M probably damaging Het
Ffar3 A G 7: 30,554,789 (GRCm39) L177P probably damaging Het
Fmnl1 A G 11: 103,077,440 (GRCm39) T267A possibly damaging Het
Fsip1 T C 2: 118,070,952 (GRCm39) E246G probably damaging Het
Gemin4 A G 11: 76,101,605 (GRCm39) L1052P probably damaging Het
Gp2 C T 7: 119,042,010 (GRCm39) C505Y probably benign Het
Grm5 A T 7: 87,723,746 (GRCm39) I679F probably damaging Het
Hapln1 A T 13: 89,732,902 (GRCm39) D21V probably benign Het
Jak2 T C 19: 29,262,270 (GRCm39) S364P probably damaging Het
Kansl3 A G 1: 36,387,897 (GRCm39) probably null Het
Kntc1 T C 5: 123,924,993 (GRCm39) L1102S probably benign Het
Mbd3l2 A G 9: 18,355,779 (GRCm39) I35V probably benign Het
Mdfic G T 6: 15,799,653 (GRCm39) C260F probably damaging Het
Mroh2b T C 15: 4,973,808 (GRCm39) S1109P probably benign Het
Myocd A T 11: 65,077,958 (GRCm39) C612* probably null Het
Or4b13 A T 2: 90,082,561 (GRCm39) M257K possibly damaging Het
Or4c102 A G 2: 88,422,435 (GRCm39) M96V probably benign Het
Or4f17-ps1 T A 2: 111,357,864 (GRCm39) C86* probably null Het
Or52h7 T A 7: 104,213,431 (GRCm39) M1K probably null Het
Or5w22 A T 2: 87,362,691 (GRCm39) T105S probably benign Het
Or8k21 A T 2: 86,145,451 (GRCm39) Y60N probably damaging Het
Pard3 C T 8: 128,050,549 (GRCm39) R204W probably damaging Het
Per1 T A 11: 68,998,382 (GRCm39) N1031K possibly damaging Het
Plekhh3 A G 11: 101,055,105 (GRCm39) S583P unknown Het
Pramel12 C T 4: 143,143,438 (GRCm39) T68I probably benign Het
Prpf6 T C 2: 181,291,951 (GRCm39) I756T probably benign Het
Pum2 T C 12: 8,759,454 (GRCm39) V98A probably damaging Het
Rad50 A T 11: 53,574,968 (GRCm39) S652T probably benign Het
Rfng G T 11: 120,674,901 (GRCm39) P30T unknown Het
Rfx7 T C 9: 72,524,973 (GRCm39) I721T probably benign Het
Rpf1 G T 3: 146,213,431 (GRCm39) T240K probably benign Het
Ryr3 T C 2: 112,483,270 (GRCm39) N4189S probably benign Het
Samd15 G C 12: 87,248,212 (GRCm39) R299T probably benign Het
Scn3a A G 2: 65,329,335 (GRCm39) M765T possibly damaging Het
Scn9a G A 2: 66,324,966 (GRCm39) S1396L probably damaging Het
Sec24a C T 11: 51,634,605 (GRCm39) R107Q probably benign Het
Sema4b T A 7: 79,870,567 (GRCm39) V505E probably damaging Het
Siglec1 T A 2: 130,920,498 (GRCm39) T769S possibly damaging Het
Sit1 T C 4: 43,483,168 (GRCm39) E69G possibly damaging Het
Slc12a8 C A 16: 33,371,321 (GRCm39) D121E probably benign Het
Slc30a10 A T 1: 185,187,664 (GRCm39) Q135L probably benign Het
Suox A G 10: 128,507,200 (GRCm39) V276A probably benign Het
Tbc1d9b A G 11: 50,040,659 (GRCm39) D392G probably damaging Het
Tmed5 A G 5: 108,273,823 (GRCm39) W139R probably damaging Het
Tnks1bp1 C T 2: 84,893,226 (GRCm39) T389I possibly damaging Het
Vmn1r65 A T 7: 6,011,256 (GRCm39) I326K probably benign Het
Vmn2r43 A G 7: 8,256,601 (GRCm39) S421P possibly damaging Het
Vmn2r57 A T 7: 41,076,968 (GRCm39) N399K possibly damaging Het
Vmn2r90 T A 17: 17,933,127 (GRCm39) L229* probably null Het
Vwf A T 6: 125,656,265 (GRCm39) D2610V Het
Zfp646 C T 7: 127,483,082 (GRCm39) S1753L probably benign Het
Zfy2 C A Y: 2,107,096 (GRCm39) V513F possibly damaging Het
Zranb2 A T 3: 157,251,731 (GRCm39) I317F unknown 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
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
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'- GTCCCTGGCATTCTAGGAAC -3'
(R):5'- TAACAACGTGACTGTGCAGG -3'

Sequencing Primer
(F):5'- GGAACTCACTATATAGACCAGGTTGC -3'
(R):5'- GCAATGGCAGTCATAAGGTCACTTAC -3'
Posted On 2020-09-02