Incidental Mutation 'R2680:Prex1'
ID 250862
Institutional Source Beutler Lab
Gene Symbol Prex1
Ensembl Gene ENSMUSG00000039621
Gene Name phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1
Synonyms P-REX1
MMRRC Submission 040433-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.188) question?
Stock # R2680 (G1)
Quality Score 216
Status Not validated
Chromosome 2
Chromosomal Location 166408265-166555752 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 166443692 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 492 (D492E)
Ref Sequence ENSEMBL: ENSMUSP00000037180 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000036719] [ENSMUST00000099080]
AlphaFold Q69ZK0
Predicted Effect possibly damaging
Transcript: ENSMUST00000036719
AA Change: D492E

PolyPhen 2 Score 0.923 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000037180
Gene: ENSMUSG00000039621
AA Change: D492E

DomainStartEndE-ValueType
low complexity region 3 27 N/A INTRINSIC
RhoGEF 48 234 3.16e-52 SMART
PH 267 389 1.02e-10 SMART
DEP 418 491 6.86e-27 SMART
DEP 519 592 3.06e-24 SMART
PDZ 628 701 4.55e-1 SMART
PDZ 712 783 5.66e-1 SMART
low complexity region 800 811 N/A INTRINSIC
low complexity region 814 825 N/A INTRINSIC
low complexity region 1109 1127 N/A INTRINSIC
low complexity region 1545 1555 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000099080
AA Change: D322E

PolyPhen 2 Score 0.870 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000096679
Gene: ENSMUSG00000039621
AA Change: D322E

DomainStartEndE-ValueType
Pfam:RhoGEF 5 64 3.8e-18 PFAM
PH 97 219 1.02e-10 SMART
DEP 248 321 6.86e-27 SMART
DEP 349 422 3.06e-24 SMART
PDZ 458 531 4.55e-1 SMART
PDZ 542 613 5.66e-1 SMART
low complexity region 630 641 N/A INTRINSIC
low complexity region 644 655 N/A INTRINSIC
low complexity region 939 957 N/A INTRINSIC
low complexity region 1375 1385 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136564
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.1%
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 acts as a guanine nucleotide exchange factor for the RHO family of small GTP-binding proteins (RACs). It has been shown to bind to and activate RAC1 by exchanging bound GDP for free GTP. The encoded protein, which is found mainly in the cytoplasm, is activated by phosphatidylinositol-3,4,5-trisphosphate and the beta-gamma subunits of heterotrimeric G proteins. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null allele have impaired neutrophil migration and autism-like social behavior with defective AMPA-mediated LTD. Mice with other alleles exhibit reduced weight, smaller livers and increased peripheral neutrophil numbers. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
BC024139 A G 15: 76,005,939 (GRCm39) W421R probably damaging Het
Car11 T C 7: 45,351,909 (GRCm39) S113P probably benign Het
Ccdc146 C T 5: 21,510,267 (GRCm39) A582T possibly damaging Het
Cct8l1 A G 5: 25,722,133 (GRCm39) T283A probably benign Het
Ckap5 A G 2: 91,419,043 (GRCm39) I1118V probably benign Het
Copa C T 1: 171,948,971 (GRCm39) Q1199* probably null Het
Cpd A T 11: 76,681,825 (GRCm39) N1140K probably benign Het
Cspp1 A G 1: 10,174,530 (GRCm39) D661G probably damaging Het
Dab2 A G 15: 6,466,474 (GRCm39) Q729R possibly damaging Het
Dnah9 T C 11: 65,924,751 (GRCm39) I2168V probably benign Het
Dync1h1 G A 12: 110,609,681 (GRCm39) R2821H probably damaging Het
Ercc5 T C 1: 44,196,133 (GRCm39) V42A probably benign Het
Evc A G 5: 37,467,581 (GRCm39) V566A probably benign Het
Fcrl2 T C 3: 87,164,656 (GRCm39) Y290C probably damaging Het
Frmd4a A G 2: 4,539,364 (GRCm39) R171G probably damaging Het
Galnt17 G A 5: 131,140,661 (GRCm39) P152L probably damaging Het
Gfi1 A G 5: 107,869,297 (GRCm39) L245P probably damaging Het
Heatr4 T C 12: 84,027,237 (GRCm39) K7E possibly damaging Het
Ifit3b A G 19: 34,589,705 (GRCm39) N294D probably benign Het
Ift74 A G 4: 94,541,265 (GRCm39) Y230C probably damaging Het
Igsf10 C T 3: 59,232,875 (GRCm39) V1953I probably benign Het
Ikzf5 T C 7: 130,998,490 (GRCm39) D14G probably damaging Het
Il12rb2 T A 6: 67,331,789 (GRCm39) T259S possibly damaging Het
Itgae T A 11: 73,005,752 (GRCm39) D305E probably damaging Het
Kif23 A C 9: 61,844,758 (GRCm39) D90E probably benign Het
Kprp A G 3: 92,731,770 (GRCm39) F427L unknown Het
Lmnb1 T A 18: 56,864,177 (GRCm39) Y261N probably damaging Het
Megf8 T C 7: 25,016,981 (GRCm39) V17A probably benign Het
Mfap4 T C 11: 61,378,057 (GRCm39) Y190H probably benign Het
Mlh1 T C 9: 111,065,085 (GRCm39) probably null Het
Mocos C A 18: 24,809,686 (GRCm39) Q430K probably damaging Het
Ndst2 A G 14: 20,774,822 (GRCm39) F794L probably damaging Het
Nedd4l A T 18: 65,296,201 (GRCm39) I197F possibly damaging Het
Nefm A G 14: 68,361,235 (GRCm39) L343P probably damaging Het
Nfatc4 A G 14: 56,070,291 (GRCm39) probably benign Het
Nlrp4a T A 7: 26,148,655 (GRCm39) probably null Het
Nlrp4f A T 13: 65,342,157 (GRCm39) L496* probably null Het
Nom1 T C 5: 29,648,415 (GRCm39) F654S probably damaging Het
Or4k2 A T 14: 50,424,304 (GRCm39) Y123* probably null Het
Pcdhac2 A G 18: 37,278,639 (GRCm39) K540E possibly damaging Het
Pde4dip T C 3: 97,608,933 (GRCm39) N1974S possibly damaging Het
Pik3c3 T C 18: 30,477,131 (GRCm39) probably null Het
Pik3ca C T 3: 32,490,697 (GRCm39) R115* probably null Het
Pik3ca T C 3: 32,498,034 (GRCm39) I492T probably benign Het
Ppp1ca G A 19: 4,244,594 (GRCm39) E218K possibly damaging Het
Scaf8 T C 17: 3,247,866 (GRCm39) V1063A possibly damaging Het
Scn3a G T 2: 65,366,880 (GRCm39) N47K probably benign Het
Sec61a2 G T 2: 5,878,556 (GRCm39) N348K probably benign Het
Sh3rf2 A G 18: 42,234,715 (GRCm39) E166G probably damaging Het
Slc19a2 C A 1: 164,076,982 (GRCm39) T54K probably damaging Het
Slc8a3 T A 12: 81,249,113 (GRCm39) I765F probably damaging Het
Snap91 A T 9: 86,761,603 (GRCm39) M1K probably null Het
Spef1l T C 7: 139,558,474 (GRCm39) D41G probably damaging Het
Strc T C 2: 121,195,592 (GRCm39) H1619R probably damaging Het
Tbl1xr1 C T 3: 22,245,615 (GRCm39) T207M possibly damaging Het
Tchp T C 5: 114,847,580 (GRCm39) probably null Het
Tln1 A T 4: 43,539,668 (GRCm39) F1581Y probably damaging Het
Tnxb T C 17: 34,922,594 (GRCm39) V2469A possibly damaging Het
Ugcg C T 4: 59,207,798 (GRCm39) P46S probably benign Het
Vmn1r225 T A 17: 20,723,055 (GRCm39) F165L probably benign Het
Vmn2r13 T C 5: 109,322,178 (GRCm39) D173G possibly damaging Het
Vmn2r6 A C 3: 64,445,707 (GRCm39) S673A possibly damaging Het
Vta1 G A 10: 14,581,171 (GRCm39) probably benign Het
Wwc1 T C 11: 35,766,756 (GRCm39) T500A probably benign Het
Zfp784 T A 7: 5,039,116 (GRCm39) Q147H possibly damaging Het
Other mutations in Prex1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00161:Prex1 APN 2 166,480,321 (GRCm39) missense probably damaging 1.00
IGL00309:Prex1 APN 2 166,451,743 (GRCm39) missense probably damaging 0.99
IGL00953:Prex1 APN 2 166,480,329 (GRCm39) missense probably damaging 1.00
IGL00961:Prex1 APN 2 166,427,656 (GRCm39) missense probably damaging 0.98
IGL01300:Prex1 APN 2 166,480,327 (GRCm39) missense possibly damaging 0.46
IGL01318:Prex1 APN 2 166,411,260 (GRCm39) splice site probably benign
IGL01753:Prex1 APN 2 166,444,802 (GRCm39) missense probably benign 0.11
IGL01819:Prex1 APN 2 166,463,165 (GRCm39) missense probably damaging 1.00
IGL02058:Prex1 APN 2 166,427,103 (GRCm39) missense probably benign 0.00
IGL02251:Prex1 APN 2 166,419,806 (GRCm39) missense probably damaging 0.99
IGL02326:Prex1 APN 2 166,463,105 (GRCm39) missense probably benign 0.35
IGL02366:Prex1 APN 2 166,422,347 (GRCm39) missense probably damaging 1.00
IGL02414:Prex1 APN 2 166,451,748 (GRCm39) missense probably damaging 1.00
IGL02660:Prex1 APN 2 166,435,787 (GRCm39) missense probably damaging 0.97
IGL02666:Prex1 APN 2 166,414,909 (GRCm39) missense probably benign 0.00
IGL02874:Prex1 APN 2 166,426,967 (GRCm39) missense probably damaging 1.00
IGL02935:Prex1 APN 2 166,412,265 (GRCm39) missense probably damaging 1.00
IGL03179:Prex1 APN 2 166,427,114 (GRCm39) missense probably benign 0.31
R0207:Prex1 UTSW 2 166,427,818 (GRCm39) missense possibly damaging 0.92
R0415:Prex1 UTSW 2 166,428,619 (GRCm39) unclassified probably benign
R0420:Prex1 UTSW 2 166,431,491 (GRCm39) missense probably benign 0.13
R0449:Prex1 UTSW 2 166,411,297 (GRCm39) missense probably benign 0.16
R0458:Prex1 UTSW 2 166,427,743 (GRCm39) missense probably damaging 0.99
R0927:Prex1 UTSW 2 166,428,457 (GRCm39) missense probably benign 0.01
R1299:Prex1 UTSW 2 166,427,827 (GRCm39) missense possibly damaging 0.62
R1414:Prex1 UTSW 2 166,435,781 (GRCm39) missense probably damaging 1.00
R1440:Prex1 UTSW 2 166,422,383 (GRCm39) missense probably damaging 0.98
R1506:Prex1 UTSW 2 166,429,001 (GRCm39) missense probably damaging 1.00
R1725:Prex1 UTSW 2 166,443,656 (GRCm39) missense probably damaging 1.00
R1831:Prex1 UTSW 2 166,427,021 (GRCm39) missense probably damaging 1.00
R1883:Prex1 UTSW 2 166,425,192 (GRCm39) missense probably benign 0.20
R1896:Prex1 UTSW 2 166,428,574 (GRCm39) missense probably benign 0.01
R2022:Prex1 UTSW 2 166,417,534 (GRCm39) missense possibly damaging 0.80
R2091:Prex1 UTSW 2 166,411,285 (GRCm39) missense possibly damaging 0.95
R2258:Prex1 UTSW 2 166,429,077 (GRCm39) missense probably benign 0.00
R2263:Prex1 UTSW 2 166,430,988 (GRCm39) splice site probably benign
R2276:Prex1 UTSW 2 166,419,875 (GRCm39) missense probably benign 0.34
R2279:Prex1 UTSW 2 166,419,875 (GRCm39) missense probably benign 0.34
R3024:Prex1 UTSW 2 166,430,956 (GRCm39) missense probably benign 0.04
R3421:Prex1 UTSW 2 166,459,774 (GRCm39) missense probably damaging 1.00
R3614:Prex1 UTSW 2 166,451,701 (GRCm39) missense probably damaging 1.00
R4244:Prex1 UTSW 2 166,412,256 (GRCm39) missense probably damaging 1.00
R4605:Prex1 UTSW 2 166,555,464 (GRCm39) missense probably benign 0.45
R4685:Prex1 UTSW 2 166,480,252 (GRCm39) missense probably damaging 0.97
R4787:Prex1 UTSW 2 166,480,260 (GRCm39) missense probably benign 0.01
R4796:Prex1 UTSW 2 166,434,211 (GRCm39) missense probably damaging 1.00
R4825:Prex1 UTSW 2 166,427,777 (GRCm39) nonsense probably null
R4955:Prex1 UTSW 2 166,415,143 (GRCm39) missense probably damaging 0.99
R5046:Prex1 UTSW 2 166,414,883 (GRCm39) missense probably benign 0.00
R5095:Prex1 UTSW 2 166,423,841 (GRCm39) missense probably damaging 1.00
R5408:Prex1 UTSW 2 166,417,573 (GRCm39) small insertion probably benign
R5462:Prex1 UTSW 2 166,486,728 (GRCm39) missense probably benign 0.02
R5535:Prex1 UTSW 2 166,422,193 (GRCm39) missense possibly damaging 0.80
R5777:Prex1 UTSW 2 166,428,579 (GRCm39) missense probably damaging 1.00
R5813:Prex1 UTSW 2 166,425,127 (GRCm39) missense probably benign
R5860:Prex1 UTSW 2 166,486,604 (GRCm39) intron probably benign
R5984:Prex1 UTSW 2 166,427,664 (GRCm39) missense probably damaging 1.00
R6009:Prex1 UTSW 2 166,423,904 (GRCm39) missense probably damaging 1.00
R6174:Prex1 UTSW 2 166,414,883 (GRCm39) missense probably benign 0.00
R6345:Prex1 UTSW 2 166,414,880 (GRCm39) missense probably null 0.81
R6897:Prex1 UTSW 2 166,423,913 (GRCm39) missense probably damaging 0.99
R6935:Prex1 UTSW 2 166,441,575 (GRCm39) missense probably damaging 1.00
R7025:Prex1 UTSW 2 166,455,107 (GRCm39) small insertion probably benign
R7037:Prex1 UTSW 2 166,429,100 (GRCm39) missense probably benign 0.05
R7076:Prex1 UTSW 2 166,475,302 (GRCm39) missense probably damaging 0.99
R7181:Prex1 UTSW 2 166,412,291 (GRCm39) missense probably damaging 1.00
R7361:Prex1 UTSW 2 166,555,490 (GRCm39) missense probably benign 0.04
R7381:Prex1 UTSW 2 166,429,047 (GRCm39) missense probably damaging 1.00
R7721:Prex1 UTSW 2 166,419,810 (GRCm39) nonsense probably null
R7763:Prex1 UTSW 2 166,555,629 (GRCm39) missense unknown
R7809:Prex1 UTSW 2 166,415,164 (GRCm39) missense possibly damaging 0.91
R7915:Prex1 UTSW 2 166,463,112 (GRCm39) missense probably damaging 1.00
R7971:Prex1 UTSW 2 166,423,859 (GRCm39) missense probably damaging 1.00
R7998:Prex1 UTSW 2 166,428,965 (GRCm39) critical splice donor site probably null
R8029:Prex1 UTSW 2 166,417,523 (GRCm39) missense probably benign 0.01
R8193:Prex1 UTSW 2 166,435,780 (GRCm39) missense possibly damaging 0.60
R8352:Prex1 UTSW 2 166,431,493 (GRCm39) missense probably benign 0.05
R8452:Prex1 UTSW 2 166,431,493 (GRCm39) missense probably benign 0.05
R8927:Prex1 UTSW 2 166,426,995 (GRCm39) missense probably damaging 0.97
R8928:Prex1 UTSW 2 166,426,995 (GRCm39) missense probably damaging 0.97
R9021:Prex1 UTSW 2 166,432,429 (GRCm39) missense possibly damaging 0.47
R9070:Prex1 UTSW 2 166,427,707 (GRCm39) missense probably damaging 1.00
R9213:Prex1 UTSW 2 166,417,669 (GRCm39) missense probably damaging 0.99
R9511:Prex1 UTSW 2 166,413,481 (GRCm39) missense probably damaging 1.00
R9514:Prex1 UTSW 2 166,419,896 (GRCm39) missense possibly damaging 0.53
R9529:Prex1 UTSW 2 166,431,518 (GRCm39) missense probably damaging 1.00
X0065:Prex1 UTSW 2 166,428,545 (GRCm39) missense probably benign
Z1176:Prex1 UTSW 2 166,414,890 (GRCm39) nonsense probably null
Z1177:Prex1 UTSW 2 166,434,148 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- AGAGTCTCACGCCCTACAAG -3'
(R):5'- GCCCACAGATGTCTAGCTAG -3'

Sequencing Primer
(F):5'- CCTACAAGCAAGAGCAGGGTC -3'
(R):5'- ACAGATGTCTAGCTAGGCCGC -3'
Posted On 2014-12-04