Incidental Mutation 'R3421:Prex1'
ID 267031
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 040639-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.188) question?
Stock # R3421 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 166408265-166555752 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 166459774 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 124 (V124A)
Ref Sequence ENSEMBL: ENSMUSP00000096679 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000036719] [ENSMUST00000099080]
AlphaFold Q69ZK0
Predicted Effect probably damaging
Transcript: ENSMUST00000036719
AA Change: V294A

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000037180
Gene: ENSMUSG00000039621
AA Change: V294A

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 damaging
Transcript: ENSMUST00000099080
AA Change: V124A

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000096679
Gene: ENSMUSG00000039621
AA Change: V124A

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
Meta Mutation Damage Score 0.6703 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.0%
Validation Efficiency 100% (46/46)
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: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acacb T A 5: 114,350,697 (GRCm39) probably null Het
Agbl3 A G 6: 34,770,900 (GRCm39) T132A probably benign Het
Amn1 A T 6: 149,070,950 (GRCm39) L196* probably null Het
Ap3b2 C T 7: 81,123,598 (GRCm39) probably benign Het
Atp7b C T 8: 22,518,686 (GRCm39) D51N probably damaging Het
Brip1 A T 11: 86,043,495 (GRCm39) Y356* probably null Het
Ccdc40 C T 11: 119,125,605 (GRCm39) P348L probably benign Het
Chrdl2 G A 7: 99,673,075 (GRCm39) C9Y probably damaging Het
Chst4 T C 8: 110,757,038 (GRCm39) D192G probably damaging Het
Col9a2 C G 4: 120,911,455 (GRCm39) R599G probably damaging Het
D930048N14Rik T C 11: 51,545,785 (GRCm39) *226R probably null Het
Dmgdh T C 13: 93,847,869 (GRCm39) V522A probably benign Het
Dtx2 T A 5: 136,041,332 (GRCm39) Y246N probably damaging Het
Gtf2ird1 T A 5: 134,417,354 (GRCm39) M518L probably benign Het
Hoxc6 T A 15: 102,919,327 (GRCm39) W188R probably damaging Het
Igfn1 C T 1: 135,904,655 (GRCm39) probably null Het
Kcnip1 A G 11: 33,595,594 (GRCm39) V43A probably damaging Het
Kif4-ps A T 12: 101,113,230 (GRCm39) E453V probably damaging Het
Kifap3 T A 1: 163,621,595 (GRCm39) I81N probably damaging Het
Mgat4d T C 8: 84,084,772 (GRCm39) S172P probably damaging Het
Mr1 T C 1: 155,013,337 (GRCm39) Y80C probably damaging Het
Nuak2 A G 1: 132,259,818 (GRCm39) D532G probably benign Het
Odad2 T C 18: 7,223,523 (GRCm39) probably benign Het
Or1e1 A G 11: 73,245,460 (GRCm39) N294D probably damaging Het
Or4c123 C G 2: 89,126,897 (GRCm39) S239T probably benign Het
Or4g7 A G 2: 111,309,297 (GRCm39) H56R probably benign Het
Or4k15b T C 14: 50,271,997 (GRCm39) T288A possibly damaging Het
Or8d1 A G 9: 38,766,621 (GRCm39) K88E possibly damaging Het
Pik3cg A T 12: 32,254,738 (GRCm39) F416L probably damaging Het
Psmb2 T C 4: 126,571,630 (GRCm39) M28T probably damaging Het
Ric1 T C 19: 29,544,990 (GRCm39) I230T probably damaging Het
Saysd1 T A 14: 20,132,994 (GRCm39) K54N probably benign Het
Slc25a17 C T 15: 81,244,901 (GRCm39) V11I probably benign Het
Slc5a4a T C 10: 76,012,407 (GRCm39) V359A probably benign Het
Slc7a3 T A X: 100,124,481 (GRCm39) probably benign Het
Slco1a5 A T 6: 142,213,964 (GRCm39) D52E possibly damaging Het
Soat2 T C 15: 102,065,244 (GRCm39) probably benign Het
Tafa1 C A 6: 96,626,099 (GRCm39) D112E probably damaging Het
Telo2 C T 17: 25,329,726 (GRCm39) R262Q probably damaging Het
Zdhhc14 T A 17: 5,803,366 (GRCm39) *490R probably null Het
Zfp217 A G 2: 169,961,937 (GRCm39) F130S possibly damaging Het
Zfp712 C T 13: 67,200,456 (GRCm39) V10M probably 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
R2680:Prex1 UTSW 2 166,443,692 (GRCm39) missense possibly damaging 0.92
R3024:Prex1 UTSW 2 166,430,956 (GRCm39) missense probably benign 0.04
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'- ACTTGACTTAGAGTATCTCCATGAA -3'
(R):5'- AGAGCTTTGAGTGTGGAGGC -3'

Sequencing Primer
(F):5'- AGAGTATCTCCATGAATACTCAGAAG -3'
(R):5'- CAGCCGTGAAGGACTGTACATC -3'
Posted On 2015-02-18