Incidental Mutation 'R1678:Prex2'
ID 188234
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 039714-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R1678 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 11355313 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Serine at position 1538 (I1538S)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect possibly damaging
Transcript: ENSMUST00000027056
AA Change: I1538S

PolyPhen 2 Score 0.511 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: I1538S

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
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.2%
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: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca17 A C 17: 24,554,594 (GRCm39) I120S probably benign Het
Abcb5 A C 12: 118,929,064 (GRCm39) probably benign Het
Abcc4 T A 14: 118,832,306 (GRCm39) T775S probably benign Het
Acnat2 T A 4: 49,380,568 (GRCm39) Y270F probably damaging Het
Aif1 G A 17: 35,391,127 (GRCm39) P44L probably benign Het
Ankib1 A G 5: 3,756,301 (GRCm39) I548T probably damaging Het
Apbb1ip A T 2: 22,764,892 (GRCm39) probably null Het
Asb17 C T 3: 153,550,004 (GRCm39) S12F probably damaging Het
Atad2b G A 12: 5,015,899 (GRCm39) V542I possibly damaging Het
Atxn7 T C 14: 14,096,239 (GRCm38) F515L probably damaging Het
Bicc1 A G 10: 70,779,348 (GRCm39) L680P probably damaging Het
Bpifb6 G A 2: 153,750,562 (GRCm39) R351H probably damaging Het
C4b A G 17: 34,962,624 (GRCm39) F26S probably benign Het
Cadps A G 14: 12,517,802 (GRCm38) probably null Het
Capza1 G T 3: 104,771,669 (GRCm39) S9* probably null Het
Ccl11 C T 11: 81,948,866 (GRCm39) P25L probably damaging Het
Cdyl A T 13: 36,040,872 (GRCm39) K306N probably damaging Het
Cnga3 T C 1: 37,300,579 (GRCm39) V471A possibly damaging Het
Col4a4 T C 1: 82,464,380 (GRCm39) K983E unknown Het
Cp A C 3: 20,026,881 (GRCm39) K436N probably damaging Het
Csmd1 T A 8: 15,968,252 (GRCm39) D3125V possibly damaging Het
Daw1 A T 1: 83,161,087 (GRCm39) N143I probably damaging Het
Dmd T A X: 84,018,368 (GRCm39) I3067N probably benign Het
Dnaaf9 A G 2: 130,656,193 (GRCm39) V105A probably damaging Het
Dnah11 T G 12: 117,897,580 (GRCm39) N3550T possibly damaging Het
Dnm2 T C 9: 21,378,828 (GRCm39) V129A possibly damaging Het
Dync1h1 A T 12: 110,632,096 (GRCm39) probably null Het
Dync2i1 A G 12: 116,189,590 (GRCm39) S640P probably damaging Het
Efemp1 G A 11: 28,866,942 (GRCm39) E325K probably benign Het
Enox1 A G 14: 77,815,096 (GRCm39) T85A probably benign Het
Faim2 C A 15: 99,418,217 (GRCm39) V123F possibly damaging Het
Fgfr2 T C 7: 129,830,350 (GRCm39) probably null Het
Fign T C 2: 63,810,718 (GRCm39) E184G probably damaging Het
Fnd3c2 T C X: 105,281,305 (GRCm39) T799A probably benign Het
Frem2 T C 3: 53,427,359 (GRCm39) D2931G probably damaging Het
Fsip2 A G 2: 82,816,689 (GRCm39) T4141A probably benign Het
Gigyf2 T A 1: 87,344,705 (GRCm39) M546K probably benign Het
Gm21775 G A Y: 10,553,867 (GRCm39) V139M probably damaging Het
Gpr83 G T 9: 14,778,145 (GRCm39) V172F probably damaging Het
Itprid1 G T 6: 55,945,499 (GRCm39) C740F probably benign Het
Jmjd4 A G 11: 59,344,438 (GRCm39) Y179C probably damaging Het
Kcnq3 A G 15: 65,903,281 (GRCm39) L143P probably damaging Het
Klhl41 T C 2: 69,501,283 (GRCm39) V248A probably benign Het
Lama1 T C 17: 68,117,150 (GRCm39) Y2482H possibly damaging Het
Lamb2 A T 9: 108,360,885 (GRCm39) probably null Het
Lclat1 G A 17: 73,503,715 (GRCm39) G162R probably damaging Het
Map6 T C 7: 98,917,305 (GRCm39) V26A probably damaging Het
Mdn1 A T 4: 32,663,050 (GRCm39) D107V probably damaging Het
Metap1d T A 2: 71,355,121 (GRCm39) V304D possibly damaging Het
Naca A G 10: 127,879,395 (GRCm39) probably benign Het
Napg T C 18: 63,117,143 (GRCm39) probably null Het
Nbeal1 T A 1: 60,299,493 (GRCm39) F7L probably benign Het
Ndst2 T C 14: 20,774,582 (GRCm39) T825A probably benign Het
Nsun2 T C 13: 69,775,222 (GRCm39) I353T probably damaging Het
Nt5c3b T A 11: 100,327,036 (GRCm39) I87F probably damaging Het
Nxf3 T C X: 134,976,270 (GRCm39) D407G probably damaging Het
Or51f2 T A 7: 102,526,870 (GRCm39) V181E probably damaging Het
Or8c13 A T 9: 38,091,933 (GRCm39) F62Y possibly damaging Het
Osbpl3 A C 6: 50,313,193 (GRCm39) probably null Het
P2rx3 T C 2: 84,852,811 (GRCm39) T172A possibly damaging Het
Pcdh10 G T 3: 45,336,316 (GRCm39) E877* probably null Het
Pcdhb9 A T 18: 37,534,682 (GRCm39) K225N probably damaging Het
Plch1 A G 3: 63,648,115 (GRCm39) S419P probably damaging Het
Prss59 C A 6: 40,906,453 (GRCm39) probably benign Het
Rasl10a A G 11: 5,009,815 (GRCm39) E121G possibly damaging Het
Rbbp8 A G 18: 11,865,372 (GRCm39) T754A probably benign Het
Rictor T C 15: 6,785,952 (GRCm39) V156A probably benign Het
Ryr1 A T 7: 28,815,579 (GRCm39) Y104N probably damaging Het
Sctr G T 1: 119,964,169 (GRCm39) probably null Het
Sptbn2 T C 19: 4,800,525 (GRCm39) Y2247H probably damaging Het
Sqle C T 15: 59,196,358 (GRCm39) R384W probably damaging Het
Srcin1 C A 11: 97,409,470 (GRCm39) R1163L probably damaging Het
Srp72 A G 5: 77,128,154 (GRCm39) Y125C probably damaging Het
Srrm2 T C 17: 24,037,960 (GRCm39) S1535P probably benign Het
Sumf2 A G 5: 129,883,557 (GRCm39) E125G possibly damaging Het
Tas2r144 A T 6: 42,192,490 (GRCm39) I77F probably benign Het
Tcerg1 T C 18: 42,657,414 (GRCm39) S299P unknown Het
Tcp1 T A 17: 13,139,310 (GRCm39) N212K probably benign Het
Ttc7 G T 17: 87,669,329 (GRCm39) G659C probably damaging Het
Ttn A T 2: 76,691,903 (GRCm39) probably null Het
Ubtf A T 11: 102,199,804 (GRCm39) D440E probably benign Het
Usp30 A G 5: 114,259,207 (GRCm39) D428G probably damaging Het
Vmn2r115 ATCTTCT ATCT 17: 23,578,962 (GRCm39) probably benign Het
Vmn2r58 G A 7: 41,513,480 (GRCm39) H388Y probably benign Het
Zbtb49 T C 5: 38,371,038 (GRCm39) D281G probably damaging Het
Zfp248 A G 6: 118,406,765 (GRCm39) S174P probably benign Het
Zswim9 T C 7: 13,011,337 (GRCm39) T4A 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
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
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
Posted On 2014-05-09