Incidental Mutation 'R3024:Prex1'
ID 265770
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 040540-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.188) question?
Stock # R3024 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 166408265-166555752 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 166430956 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 615 (H615Q)
Ref Sequence ENSEMBL: ENSMUSP00000096679 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000036719] [ENSMUST00000099080]
AlphaFold Q69ZK0
Predicted Effect probably benign
Transcript: ENSMUST00000036719
AA Change: H785Q

PolyPhen 2 Score 0.026 (Sensitivity: 0.95; Specificity: 0.81)
SMART Domains Protein: ENSMUSP00000037180
Gene: ENSMUSG00000039621
AA Change: H785Q

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 probably benign
Transcript: ENSMUST00000099080
AA Change: H615Q

PolyPhen 2 Score 0.044 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000096679
Gene: ENSMUSG00000039621
AA Change: H615Q

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 94.5%
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 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: 22 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arhgef37 T C 18: 61,634,959 (GRCm39) E461G probably damaging Het
Bfsp1 A T 2: 143,687,879 (GRCm39) V182D probably benign Het
Birc6 T C 17: 74,915,214 (GRCm39) S1635P possibly damaging Het
Chil6 T C 3: 106,296,086 (GRCm39) D383G probably damaging Het
Itpr2 G A 6: 146,081,808 (GRCm39) A175V probably benign Het
Kcnh7 G T 2: 62,595,007 (GRCm39) R688S probably damaging Het
Krt6a A T 15: 101,599,724 (GRCm39) C463S probably benign Het
Ksr2 T A 5: 117,693,125 (GRCm39) I191N possibly damaging Het
Lyst T C 13: 13,833,272 (GRCm39) V1698A probably benign Het
Or12d13 A T 17: 37,647,918 (GRCm39) D68E probably damaging Het
Or4c127 A T 2: 89,833,584 (GRCm39) N278I probably damaging Het
Pappa2 C T 1: 158,763,795 (GRCm39) R572Q probably benign Het
Pes1 CGGAGGAGGAGGAGGAGGAGGAGG CGGAGGAGGAGGAGGAGGAGG 11: 3,927,719 (GRCm39) probably benign Het
Phf20 A G 2: 156,129,787 (GRCm39) H453R probably damaging Het
Slc25a54 T A 3: 108,987,982 (GRCm39) I41N probably damaging Het
Slc35f5 A G 1: 125,496,335 (GRCm39) S157G probably benign Het
Sstr3 G A 15: 78,424,187 (GRCm39) R187W probably damaging Het
Trim41 T C 11: 48,698,985 (GRCm39) K420E possibly damaging Het
Tsnaxip1 A G 8: 106,568,375 (GRCm39) Y353C probably damaging Het
Vmn1r238 T C 18: 3,123,305 (GRCm39) I36M probably benign Het
Xylt1 T A 7: 117,147,883 (GRCm39) V149D probably damaging Het
Zfpm2 G A 15: 40,966,355 (GRCm39) E815K probably benign 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
R2680:Prex1 UTSW 2 166,443,692 (GRCm39) missense possibly damaging 0.92
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'- CACTACAGTGTGAGCCGCTAAAG -3'
(R):5'- CCGCTTCAGAGTTGGTGTTC -3'

Sequencing Primer
(F):5'- TAAAGATGGGCCCTGCTCTGAG -3'
(R):5'- TGTTCCACCCCCAGCCAG -3'
Posted On 2015-02-05