Incidental Mutation 'R6467:Prex2'
ID 516612
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 044600-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.262) question?
Stock # R6467 (G1)
Quality Score 143.008
Status Validated
Chromosome 1
Chromosomal Location 11063689-11373905 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 11336259 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Cysteine at position 1486 (R1486C)
Ref Sequence ENSEMBL: ENSMUSP00000027056 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027056]
AlphaFold Q3LAC4
Predicted Effect probably damaging
Transcript: ENSMUST00000027056
AA Change: R1486C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000027056
Gene: ENSMUSG00000048960
AA Change: R1486C

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: ENSMUST00000188189
Predicted Effect probably benign
Transcript: ENSMUST00000189385
Meta Mutation Damage Score 0.1801 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 93.5%
Validation Efficiency 99% (72/73)
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acvr1b T C 15: 101,092,722 (GRCm39) W122R possibly damaging Het
Adgrv1 C T 13: 81,592,657 (GRCm39) R4294H probably benign Het
Afdn A G 17: 14,024,315 (GRCm39) T74A probably damaging Het
Aff3 T A 1: 38,247,098 (GRCm39) D829V probably benign Het
Akr1c12 T C 13: 4,325,772 (GRCm39) Q107R probably benign Het
Apc T A 18: 34,402,252 (GRCm39) F131I probably benign Het
Atosb A T 4: 43,033,687 (GRCm39) F489I probably damaging Het
Atp13a1 T A 8: 70,259,424 (GRCm39) L1036H probably damaging Het
BC035044 A C 6: 128,867,855 (GRCm39) probably benign Het
C1rl A G 6: 124,485,535 (GRCm39) D302G probably benign Het
C2cd6 A C 1: 59,117,093 (GRCm39) D133E probably benign Het
Cacna1c T A 6: 118,629,671 (GRCm39) Y1061F probably damaging Het
Cav1 A G 6: 17,308,034 (GRCm39) D62G probably damaging Het
Ccdc77 T C 6: 120,327,242 (GRCm39) M68V probably damaging Het
Cd55 A T 1: 130,375,348 (GRCm39) probably benign Het
Cdc27 C A 11: 104,413,602 (GRCm39) A380S probably damaging Het
Cenpb A T 2: 131,021,477 (GRCm39) I107K probably damaging Het
Cep135 T G 5: 76,769,187 (GRCm39) H612Q possibly damaging Het
Chd1l A T 3: 97,470,849 (GRCm39) N815K probably damaging Het
Cldn20 C T 17: 3,582,992 (GRCm39) T55M possibly damaging Het
Depdc1a A T 3: 159,221,679 (GRCm39) I208L probably benign Het
Dgkb C T 12: 38,134,223 (GRCm39) A43V possibly damaging Het
Dgkb C T 12: 38,654,104 (GRCm39) T741I probably damaging Het
Dhx16 A G 17: 36,197,076 (GRCm39) N653S probably damaging Het
Dnah5 T A 15: 28,438,329 (GRCm39) S3987T probably benign Het
Dnai4 T C 4: 102,906,758 (GRCm39) D685G probably damaging Het
Dst T A 1: 34,334,277 (GRCm39) I4835N probably damaging Het
Esrrb A G 12: 86,561,114 (GRCm39) I288V probably damaging Het
Fnta C T 8: 26,497,341 (GRCm39) W169* probably null Het
Golga4 T C 9: 118,365,860 (GRCm39) L304P probably damaging Het
Hace1 A G 10: 45,466,362 (GRCm39) probably null Het
Ino80b G T 6: 83,101,112 (GRCm39) probably null Het
Kcmf1 G A 6: 72,820,082 (GRCm39) R306C probably damaging Het
Lrrc46 G A 11: 96,927,305 (GRCm39) T92I possibly damaging Het
Man2b1 T C 8: 85,824,076 (GRCm39) V991A possibly damaging Het
Mga A G 2: 119,776,776 (GRCm39) N1770S probably damaging Het
Mgat4e T C 1: 134,468,944 (GRCm39) T367A probably benign Het
Mtr A G 13: 12,202,992 (GRCm39) S1204P probably damaging Het
Myo15a G A 11: 60,417,487 (GRCm39) probably null Het
Nktr T C 9: 121,560,585 (GRCm39) S74P probably damaging Het
Noct T C 3: 51,157,508 (GRCm39) V282A possibly damaging Het
Nol11 A T 11: 107,071,912 (GRCm39) I227K possibly damaging Het
Nsd3 T A 8: 26,130,646 (GRCm39) S4T probably damaging Het
Or5m10b T A 2: 85,699,714 (GRCm39) Y259* probably null Het
Or5p64 A G 7: 107,855,109 (GRCm39) S79P probably damaging Het
Pds5a T A 5: 65,809,782 (GRCm39) L393F probably damaging Het
Rc3h2 T C 2: 37,272,028 (GRCm39) T768A probably damaging Het
Rin3 A T 12: 102,335,584 (GRCm39) E418D probably benign Het
Rnf214 G T 9: 45,778,886 (GRCm39) T586N probably damaging Het
Samd4b A G 7: 28,101,285 (GRCm39) S667P probably damaging Het
Sec14l2 T C 11: 4,061,161 (GRCm39) Y100C probably damaging Het
Slc46a2 T C 4: 59,914,077 (GRCm39) E282G probably benign Het
Themis A C 10: 28,657,762 (GRCm39) N110T possibly damaging Het
Tln1 C A 4: 43,543,165 (GRCm39) S1333I probably benign Het
Tmem53 T C 4: 117,125,625 (GRCm39) V224A possibly damaging Het
Tmtc4 T A 14: 123,163,391 (GRCm39) K664N possibly damaging Het
Tnni3k T C 3: 154,674,922 (GRCm39) D201G probably damaging Het
Tnxb A G 17: 34,912,898 (GRCm39) E1681G probably damaging Het
Trhde A T 10: 114,340,103 (GRCm39) D567E probably damaging Het
Tsc2 T C 17: 24,828,101 (GRCm39) M788V probably benign Het
Ube3a A G 7: 58,926,650 (GRCm39) Y476C probably damaging Het
Ubiad1 T C 4: 148,520,682 (GRCm39) N314S possibly damaging Het
Unc79 T A 12: 103,139,771 (GRCm39) N2375K probably damaging Het
Vmn2r107 A T 17: 20,595,939 (GRCm39) I831F probably damaging Het
Vwa3b T A 1: 37,124,367 (GRCm39) C322S probably benign Het
Wnk1 A T 6: 119,939,916 (GRCm39) H238Q probably benign Het
Wnk2 A G 13: 49,300,081 (GRCm39) Y210H probably damaging Het
Wwc2 T C 8: 48,304,943 (GRCm39) D894G unknown Het
Yes1 T A 5: 32,810,381 (GRCm39) F180Y probably damaging Het
Yju2b T C 8: 84,985,318 (GRCm39) E317G probably benign Het
Zbtb46 T C 2: 181,033,062 (GRCm39) Y533C probably damaging Het
Zfp57 T C 17: 37,316,942 (GRCm39) S7P possibly damaging Het
Zzef1 T C 11: 72,802,090 (GRCm39) probably null 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
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'- ATTTACAATCCCCAAACTGCTG -3'
(R):5'- TTTAATTCAGCCAAAGTCTGCC -3'

Sequencing Primer
(F):5'- AACTGCTGCCTCCATCATAATATG -3'
(R):5'- GCCAAAGTCTGCCATATTAAATACGG -3'
Posted On 2018-05-21