Incidental Mutation 'R1681:Arhgef18'
ID 188508
Institutional Source Beutler Lab
Gene Symbol Arhgef18
Ensembl Gene ENSMUSG00000004568
Gene Name Rho/Rac guanine nucleotide exchange factor 18
Synonyms A430078G23Rik, D030053O22Rik
MMRRC Submission 039717-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1681 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 3403415-3506601 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 3489645 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Arginine at position 326 (G326R)
Ref Sequence ENSEMBL: ENSMUSP00000004684 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000004684]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000004684
AA Change: G326R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000004684
Gene: ENSMUSG00000004568
AA Change: G326R

DomainStartEndE-ValueType
RhoGEF 105 297 2.62e-58 SMART
PH 340 443 5.57e-12 SMART
low complexity region 446 456 N/A INTRINSIC
low complexity region 646 663 N/A INTRINSIC
coiled coil region 697 800 N/A INTRINSIC
low complexity region 887 897 N/A INTRINSIC
low complexity region 905 919 N/A INTRINSIC
low complexity region 963 985 N/A INTRINSIC
low complexity region 991 1010 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000131773
Predicted Effect noncoding transcript
Transcript: ENSMUST00000156085
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 96.6%
  • 20x: 93.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Rho GTPases are GTP binding proteins that regulate a wide spectrum of cellular functions. These cellular processes include cytoskeletal rearrangements, gene transcription, cell growth and motility. Activation of Rho GTPases is under the direct control of guanine nucleotide exchange factors (GEFs). The protein encoded by this gene is a guanine nucleotide exchange factor and belongs to the Rho GTPase GFE family. Family members share a common feature, a Dbl (DH) homology domain followed by a pleckstrin (PH) homology domain. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Oct 2008]
PHENOTYPE: Mice homozygous for a gene trap insertion exhibit greatly reduced viability. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 87 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acaca T A 11: 84,117,011 (GRCm39) I247N probably damaging Het
Ankle1 G T 8: 71,860,262 (GRCm39) S260I probably benign Het
Aoc2 T C 11: 101,216,018 (GRCm39) S34P probably benign Het
Ap1m1 A C 8: 73,009,966 (GRCm39) I397L possibly damaging Het
Apba1 C A 19: 23,913,925 (GRCm39) D649E probably damaging Het
Aptx C T 4: 40,697,274 (GRCm39) V25M probably benign Het
Atm A C 9: 53,433,455 (GRCm39) I265S possibly damaging Het
B3galt4 A T 17: 34,170,187 (GRCm39) V17E probably benign Het
Bcl7a T A 5: 123,494,086 (GRCm39) M86K possibly damaging Het
Calhm6 A G 10: 34,003,896 (GRCm39) F4L probably benign Het
Cela3a T A 4: 137,129,995 (GRCm39) probably null Het
Cep85 T A 4: 133,876,039 (GRCm39) K456* probably null Het
Ces1f C A 8: 94,002,042 (GRCm39) A29S probably benign Het
Chd9 A T 8: 91,699,763 (GRCm39) I598F probably damaging Het
Cntln T C 4: 84,865,872 (GRCm39) L176S probably damaging Het
Cntn3 A T 6: 102,147,629 (GRCm39) N909K probably damaging Het
Cntnap5b T C 1: 100,003,832 (GRCm39) S271P probably damaging Het
Col6a3 T A 1: 90,701,224 (GRCm39) H2564L unknown Het
Cyp2b19 C A 7: 26,462,765 (GRCm39) probably null Het
Dapk1 G T 13: 60,866,278 (GRCm39) probably null Het
Dnah7b T A 1: 46,363,872 (GRCm39) Y3497* probably null Het
Duoxa2 T C 2: 122,129,643 (GRCm39) probably null Het
Eny2 T C 15: 44,295,874 (GRCm39) W42R probably damaging Het
Epha3 A G 16: 63,416,091 (GRCm39) V635A probably damaging Het
Fam167b G C 4: 129,472,069 (GRCm39) Q34E probably benign Het
Fancm T C 12: 65,152,430 (GRCm39) M962T probably benign Het
Gimap8 T A 6: 48,633,345 (GRCm39) I388N probably benign Het
Gpaa1 A G 15: 76,215,653 (GRCm39) T22A probably benign Het
Hoxc11 T C 15: 102,863,591 (GRCm39) S211P possibly damaging Het
Hsd17b12 T C 2: 93,863,906 (GRCm39) N312S unknown Het
Idh2 T G 7: 79,748,906 (GRCm39) E125A probably damaging Het
Igdcc4 A G 9: 65,036,077 (GRCm39) Y712C probably damaging Het
Kank1 T C 19: 25,387,668 (GRCm39) V447A possibly damaging Het
Kif1b T A 4: 149,279,958 (GRCm39) probably null Het
Klc4 A T 17: 46,947,696 (GRCm39) D335E probably damaging Het
Klhl33 T A 14: 51,130,534 (GRCm39) D320V probably benign Het
Krt73 A T 15: 101,710,482 (GRCm39) M84K possibly damaging Het
Kti12 T A 4: 108,706,055 (GRCm39) I323N probably damaging Het
Kynu T C 2: 43,569,837 (GRCm39) L373P probably damaging Het
Lats1 T C 10: 7,581,678 (GRCm39) M821T probably damaging Het
Lnx1 A T 5: 74,846,071 (GRCm39) H126Q probably benign Het
Lonrf2 G A 1: 38,852,357 (GRCm39) P165S probably benign Het
Lrrc4b T A 7: 44,110,601 (GRCm39) Y158N probably damaging Het
Lrrc74b C A 16: 17,377,617 (GRCm39) R87L probably damaging Het
Meig1 T C 2: 3,410,311 (GRCm39) D63G probably damaging Het
Mrpl38 G A 11: 116,029,255 (GRCm39) probably benign Het
Mtcl2 T C 2: 156,872,450 (GRCm39) T966A possibly damaging Het
Naip2 C T 13: 100,298,368 (GRCm39) G556D probably benign Het
Naip2 T C 13: 100,298,362 (GRCm39) E558G probably benign Het
Nlrp1a T A 11: 71,033,184 (GRCm39) E3D unknown Het
Nphs2 T A 1: 156,148,468 (GRCm39) D110E probably damaging Het
Nxn T A 11: 76,163,290 (GRCm39) K244N probably benign Het
Oas3 A T 5: 120,907,973 (GRCm39) F322L probably benign Het
Obscn T A 11: 58,994,151 (GRCm39) Y1577F probably damaging Het
Or10ag57 G A 2: 87,218,964 (GRCm39) R305K possibly damaging Het
Or8b47 T A 9: 38,435,413 (GRCm39) N128K probably benign Het
Or8b50 G A 9: 38,518,244 (GRCm39) G161D probably damaging Het
Or8b52 A G 9: 38,576,616 (GRCm39) Y175H probably benign Het
Or8d2 T C 9: 38,759,809 (GRCm39) M133T probably damaging Het
Panx1 T C 9: 14,919,079 (GRCm39) D260G probably benign Het
Pcdhb15 T C 18: 37,606,866 (GRCm39) Y33H probably damaging Het
Pik3ap1 C A 19: 41,296,968 (GRCm39) V461F probably damaging Het
Plpp3 G A 4: 105,066,002 (GRCm39) probably null Het
Prtn3 A T 10: 79,716,375 (GRCm39) T61S probably benign Het
Psen1 T A 12: 83,771,394 (GRCm39) Y225N probably damaging Het
Rab44 T A 17: 29,359,098 (GRCm39) S429T possibly damaging Het
Ralgapa1 T C 12: 55,809,388 (GRCm39) I462M probably benign Het
Rbfox3 T C 11: 118,396,495 (GRCm39) N105S probably damaging Het
Rbm7 A C 9: 48,401,021 (GRCm39) Y236D possibly damaging Het
Samhd1 T C 2: 156,943,652 (GRCm39) T621A probably benign Het
Samt3 C A X: 85,090,256 (GRCm39) D49E probably benign Het
Sass6 T C 3: 116,397,122 (GRCm39) V26A possibly damaging Het
Scn11a C T 9: 119,633,478 (GRCm39) M418I possibly damaging Het
Scrib T C 15: 75,936,416 (GRCm39) E480G probably damaging Het
Sec24a T G 11: 51,586,016 (GRCm39) T1071P probably damaging Het
Siglecg A C 7: 43,058,365 (GRCm39) E84A probably benign Het
Slc6a17 C T 3: 107,381,702 (GRCm39) V419I probably damaging Het
Ssr2 T C 3: 88,488,349 (GRCm39) M75T possibly damaging Het
Tbc1d22b A G 17: 29,794,151 (GRCm39) T275A possibly damaging Het
Tbx15 T A 3: 99,259,140 (GRCm39) probably null Het
Tll1 A C 8: 64,538,585 (GRCm39) L353R possibly damaging Het
Tlr4 C T 4: 66,759,342 (GRCm39) P712S probably damaging Het
Tmem145 T A 7: 25,014,159 (GRCm39) F424L possibly damaging Het
Tnrc18 T C 5: 142,759,572 (GRCm39) K755E unknown Het
Trmt44 A G 5: 35,727,321 (GRCm39) I298T probably benign Het
Vmn1r69 A G 7: 10,314,179 (GRCm39) V184A probably benign Het
Zfp84 T C 7: 29,476,825 (GRCm39) C506R probably damaging Het
Other mutations in Arhgef18
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00790:Arhgef18 APN 8 3,479,553 (GRCm39) missense probably damaging 1.00
IGL01629:Arhgef18 APN 8 3,431,942 (GRCm39) missense possibly damaging 0.62
IGL01649:Arhgef18 APN 8 3,491,211 (GRCm39) splice site probably benign
IGL01736:Arhgef18 APN 8 3,501,624 (GRCm39) splice site probably benign
IGL01743:Arhgef18 APN 8 3,414,697 (GRCm39) missense probably benign 0.01
IGL02206:Arhgef18 APN 8 3,495,034 (GRCm39) missense probably benign 0.00
IGL02401:Arhgef18 APN 8 3,487,078 (GRCm39) missense probably damaging 1.00
IGL02938:Arhgef18 APN 8 3,500,802 (GRCm39) missense probably benign 0.02
IGL02943:Arhgef18 APN 8 3,498,553 (GRCm39) missense probably damaging 0.99
IGL02990:Arhgef18 APN 8 3,494,904 (GRCm39) missense probably benign 0.02
IGL03162:Arhgef18 APN 8 3,491,301 (GRCm39) splice site probably null
IGL03334:Arhgef18 APN 8 3,438,023 (GRCm39) missense probably benign 0.04
R0417:Arhgef18 UTSW 8 3,438,957 (GRCm39) utr 3 prime probably benign
R0646:Arhgef18 UTSW 8 3,436,959 (GRCm39) missense probably damaging 0.99
R0759:Arhgef18 UTSW 8 3,438,822 (GRCm39) utr 3 prime probably benign
R0880:Arhgef18 UTSW 8 3,439,032 (GRCm39) utr 3 prime probably benign
R0980:Arhgef18 UTSW 8 3,439,095 (GRCm39) utr 3 prime probably benign
R1175:Arhgef18 UTSW 8 3,439,023 (GRCm39) utr 3 prime probably benign
R1622:Arhgef18 UTSW 8 3,491,272 (GRCm39) missense possibly damaging 0.46
R1649:Arhgef18 UTSW 8 3,439,094 (GRCm39) utr 3 prime probably benign
R1726:Arhgef18 UTSW 8 3,504,228 (GRCm39) missense possibly damaging 0.46
R1781:Arhgef18 UTSW 8 3,430,495 (GRCm39) missense probably damaging 0.98
R2126:Arhgef18 UTSW 8 3,501,939 (GRCm39) missense probably damaging 0.99
R2161:Arhgef18 UTSW 8 3,489,575 (GRCm39) nonsense probably null
R2211:Arhgef18 UTSW 8 3,437,680 (GRCm39) missense possibly damaging 0.95
R2843:Arhgef18 UTSW 8 3,414,634 (GRCm39) missense possibly damaging 0.82
R2878:Arhgef18 UTSW 8 3,482,759 (GRCm39) missense probably benign
R3916:Arhgef18 UTSW 8 3,504,197 (GRCm39) missense probably benign
R4231:Arhgef18 UTSW 8 3,500,317 (GRCm39) missense possibly damaging 0.80
R4233:Arhgef18 UTSW 8 3,500,317 (GRCm39) missense possibly damaging 0.80
R4234:Arhgef18 UTSW 8 3,500,317 (GRCm39) missense possibly damaging 0.80
R4235:Arhgef18 UTSW 8 3,500,317 (GRCm39) missense possibly damaging 0.80
R4236:Arhgef18 UTSW 8 3,500,317 (GRCm39) missense possibly damaging 0.80
R4450:Arhgef18 UTSW 8 3,487,097 (GRCm39) missense probably damaging 0.97
R4539:Arhgef18 UTSW 8 3,497,070 (GRCm39) missense probably benign
R4670:Arhgef18 UTSW 8 3,484,897 (GRCm39) missense probably damaging 1.00
R4753:Arhgef18 UTSW 8 3,494,938 (GRCm39) missense probably damaging 1.00
R4897:Arhgef18 UTSW 8 3,494,979 (GRCm39) missense probably benign
R5313:Arhgef18 UTSW 8 3,501,629 (GRCm39) critical splice acceptor site probably null
R5319:Arhgef18 UTSW 8 3,435,010 (GRCm39) critical splice donor site probably null
R5415:Arhgef18 UTSW 8 3,438,075 (GRCm39) missense probably damaging 0.99
R5588:Arhgef18 UTSW 8 3,438,878 (GRCm39) utr 3 prime probably benign
R5698:Arhgef18 UTSW 8 3,489,499 (GRCm39) missense probably damaging 0.99
R5781:Arhgef18 UTSW 8 3,489,439 (GRCm39) splice site probably null
R5851:Arhgef18 UTSW 8 3,484,980 (GRCm39) missense probably damaging 1.00
R5897:Arhgef18 UTSW 8 3,489,682 (GRCm39) missense probably damaging 1.00
R5908:Arhgef18 UTSW 8 3,503,165 (GRCm39) missense probably damaging 1.00
R6123:Arhgef18 UTSW 8 3,487,091 (GRCm39) missense probably damaging 0.99
R6136:Arhgef18 UTSW 8 3,504,507 (GRCm39) missense probably benign
R6240:Arhgef18 UTSW 8 3,489,658 (GRCm39) missense probably damaging 1.00
R6455:Arhgef18 UTSW 8 3,438,753 (GRCm39) missense probably benign 0.16
R6617:Arhgef18 UTSW 8 3,489,592 (GRCm39) missense probably damaging 1.00
R7573:Arhgef18 UTSW 8 3,434,918 (GRCm39) missense probably damaging 0.96
R7575:Arhgef18 UTSW 8 3,501,635 (GRCm39) missense probably damaging 0.99
R7664:Arhgef18 UTSW 8 3,436,390 (GRCm39) missense probably damaging 0.98
R7731:Arhgef18 UTSW 8 3,434,936 (GRCm39) missense probably damaging 0.99
R7845:Arhgef18 UTSW 8 3,436,959 (GRCm39) missense probably damaging 0.99
R7851:Arhgef18 UTSW 8 3,498,409 (GRCm39) missense possibly damaging 0.46
R7947:Arhgef18 UTSW 8 3,482,775 (GRCm39) missense probably damaging 1.00
R8030:Arhgef18 UTSW 8 3,489,600 (GRCm39) missense probably damaging 1.00
R8167:Arhgef18 UTSW 8 3,403,636 (GRCm39) start gained probably benign
R8681:Arhgef18 UTSW 8 3,439,074 (GRCm39) missense unknown
R8798:Arhgef18 UTSW 8 3,414,645 (GRCm39) missense probably benign 0.01
R8815:Arhgef18 UTSW 8 3,430,410 (GRCm39) missense probably benign 0.01
R8825:Arhgef18 UTSW 8 3,436,951 (GRCm39) missense probably damaging 0.99
R8848:Arhgef18 UTSW 8 3,477,481 (GRCm39) missense probably benign 0.00
R9038:Arhgef18 UTSW 8 3,503,257 (GRCm39) missense probably benign 0.30
R9131:Arhgef18 UTSW 8 3,487,007 (GRCm39) missense possibly damaging 0.77
R9162:Arhgef18 UTSW 8 3,414,645 (GRCm39) missense probably benign 0.18
R9229:Arhgef18 UTSW 8 3,479,314 (GRCm39) missense probably benign 0.01
R9599:Arhgef18 UTSW 8 3,482,718 (GRCm39) missense possibly damaging 0.74
R9794:Arhgef18 UTSW 8 3,501,634 (GRCm39) missense probably benign 0.03
X0021:Arhgef18 UTSW 8 3,484,942 (GRCm39) missense probably damaging 1.00
Z1088:Arhgef18 UTSW 8 3,489,628 (GRCm39) missense probably damaging 1.00
Z1176:Arhgef18 UTSW 8 3,503,224 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CACCTCATAGATCCAGATGCAGCAG -3'
(R):5'- TGGTGACAATTCAAGAGGGAATGCC -3'

Sequencing Primer
(F):5'- GCAGCAGATCACCTTCTGTATG -3'
(R):5'- TTCAAGAGGGAATGCCAATCC -3'
Posted On 2014-05-09