Incidental Mutation 'R9230:Arhgap21'
ID 700148
Institutional Source Beutler Lab
Gene Symbol Arhgap21
Ensembl Gene ENSMUSG00000036591
Gene Name Rho GTPase activating protein 21
Synonyms ARHGAP10, 5530401C11Rik
MMRRC Submission
Accession Numbers
Essential gene? Possibly essential (E-score: 0.570) question?
Stock # R9230 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 20852730-20973692 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 20860469 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 1313 (T1313A)
Ref Sequence ENSEMBL: ENSMUSP00000122497 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000114594] [ENSMUST00000141298] [ENSMUST00000154230] [ENSMUST00000173194] [ENSMUST00000173784] [ENSMUST00000174584]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000114594
AA Change: T1307A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000110241
Gene: ENSMUSG00000036591
AA Change: T1307A

DomainStartEndE-ValueType
PDZ 58 159 1.03e-16 SMART
low complexity region 351 362 N/A INTRINSIC
low complexity region 445 459 N/A INTRINSIC
low complexity region 625 635 N/A INTRINSIC
low complexity region 911 925 N/A INTRINSIC
PH 930 1040 2.09e-16 SMART
RhoGAP 1157 1334 3.26e-62 SMART
low complexity region 1381 1399 N/A INTRINSIC
low complexity region 1448 1466 N/A INTRINSIC
low complexity region 1533 1565 N/A INTRINSIC
low complexity region 1573 1593 N/A INTRINSIC
low complexity region 1891 1900 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000141298
AA Change: T1313A

PolyPhen 2 Score 0.919 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000120357
Gene: ENSMUSG00000036591
AA Change: T1313A

DomainStartEndE-ValueType
PDZ 64 165 1.03e-16 SMART
low complexity region 357 368 N/A INTRINSIC
low complexity region 451 465 N/A INTRINSIC
low complexity region 631 641 N/A INTRINSIC
low complexity region 917 931 N/A INTRINSIC
PH 936 1046 2.09e-16 SMART
RhoGAP 1163 1340 3.26e-62 SMART
low complexity region 1387 1405 N/A INTRINSIC
low complexity region 1454 1472 N/A INTRINSIC
low complexity region 1539 1571 N/A INTRINSIC
low complexity region 1579 1599 N/A INTRINSIC
low complexity region 1897 1906 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000154230
AA Change: T1313A

PolyPhen 2 Score 0.919 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000122497
Gene: ENSMUSG00000036591
AA Change: T1313A

DomainStartEndE-ValueType
PDZ 64 165 1.03e-16 SMART
low complexity region 357 368 N/A INTRINSIC
low complexity region 451 465 N/A INTRINSIC
low complexity region 631 641 N/A INTRINSIC
low complexity region 917 931 N/A INTRINSIC
PH 936 1046 2.09e-16 SMART
RhoGAP 1163 1340 3.26e-62 SMART
low complexity region 1387 1405 N/A INTRINSIC
low complexity region 1454 1472 N/A INTRINSIC
low complexity region 1539 1571 N/A INTRINSIC
low complexity region 1579 1599 N/A INTRINSIC
low complexity region 1897 1906 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000173194
AA Change: T1303A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000133851
Gene: ENSMUSG00000036591
AA Change: T1303A

DomainStartEndE-ValueType
PDZ 64 165 1.03e-16 SMART
low complexity region 347 358 N/A INTRINSIC
low complexity region 441 455 N/A INTRINSIC
low complexity region 621 631 N/A INTRINSIC
low complexity region 907 921 N/A INTRINSIC
PH 926 1036 2.09e-16 SMART
RhoGAP 1153 1330 3.26e-62 SMART
low complexity region 1377 1395 N/A INTRINSIC
low complexity region 1444 1462 N/A INTRINSIC
low complexity region 1529 1561 N/A INTRINSIC
low complexity region 1569 1589 N/A INTRINSIC
low complexity region 1887 1896 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000173784
SMART Domains Protein: ENSMUSP00000133539
Gene: ENSMUSG00000036591

DomainStartEndE-ValueType
low complexity region 21 35 N/A INTRINSIC
PH 40 150 2.09e-16 SMART
RhoGAP 268 395 1.55e-22 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000174584
AA Change: T1142A

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000133347
Gene: ENSMUSG00000036591
AA Change: T1142A

DomainStartEndE-ValueType
low complexity region 186 197 N/A INTRINSIC
low complexity region 280 294 N/A INTRINSIC
low complexity region 460 470 N/A INTRINSIC
low complexity region 746 760 N/A INTRINSIC
PH 765 875 2.09e-16 SMART
RhoGAP 992 1169 3.26e-62 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 100% (68/68)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] ARHGAP21 functions preferentially as a GTPase-activating protein (GAP) for CDC42 (MIM 116952) and regulates the ARP2/3 complex (MIM 604221) and F-actin dynamics at the Golgi through control of CDC42 activity (Dubois et al., 2005 [PubMed 15793564]).[supplied by OMIM, Mar 2008]
Allele List at MGI
Other mutations in this stock
Total: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adarb1 A T 10: 77,157,626 (GRCm39) F274I probably damaging Het
Aen T A 7: 78,552,107 (GRCm39) D22E probably damaging Het
Appl1 T C 14: 26,645,692 (GRCm39) E706G unknown Het
Armc2 T C 10: 41,823,935 (GRCm39) Y511C probably damaging Het
Bsn T C 9: 107,989,459 (GRCm39) T2098A probably damaging Het
Cacna1h T C 17: 25,599,856 (GRCm39) Y1659C probably damaging Het
Catsperb T C 12: 101,516,053 (GRCm39) I563T probably benign Het
Cblif G A 19: 11,737,748 (GRCm39) W386* probably null Het
Cd180 TA TAA 13: 102,841,514 (GRCm39) probably null Het
Cd55b A T 1: 130,350,619 (GRCm39) L26* probably null Het
Cdc42bpa A G 1: 179,933,638 (GRCm39) N759S probably benign Het
Chrm3 C A 13: 9,928,479 (GRCm39) V186L probably benign Het
Clrn2 A G 5: 45,621,283 (GRCm39) T226A probably damaging Het
Col3a1 C T 1: 45,383,138 (GRCm39) P1071S unknown Het
Csgalnact2 A G 6: 118,103,212 (GRCm39) L250P probably damaging Het
Cyp4a31 G T 4: 115,428,281 (GRCm39) E326* probably null Het
Def8 A G 8: 124,186,317 (GRCm39) E352G probably benign Het
Dmbt1 A G 7: 130,639,642 (GRCm39) D60G probably benign Het
Dock3 A G 9: 106,807,223 (GRCm39) L1368P probably damaging Het
Dytn A T 1: 63,686,611 (GRCm39) V353D probably benign Het
Egfem1 G A 3: 29,411,317 (GRCm39) E155K probably benign Het
Eif3m A T 2: 104,831,705 (GRCm39) M285K probably damaging Het
Fam135b T C 15: 71,335,856 (GRCm39) K446R probably benign Het
Fbxo22 T C 9: 55,116,442 (GRCm39) L36P probably damaging Het
Frmd4a T C 2: 4,612,844 (GRCm39) S1025P possibly damaging Het
Gja8 C T 3: 96,826,664 (GRCm39) V333M possibly damaging Het
Glis1 T C 4: 107,425,327 (GRCm39) S313P probably benign Het
Grid2ip G A 5: 143,359,194 (GRCm39) R270Q probably damaging Het
Hps4 G A 5: 112,525,905 (GRCm39) S642N possibly damaging Het
Hspa4 T C 11: 53,171,466 (GRCm39) E246G probably benign Het
Ibtk A G 9: 85,585,702 (GRCm39) probably null Het
Ifit1 A G 19: 34,625,236 (GRCm39) E124G possibly damaging Het
Ifna14 T C 4: 88,489,752 (GRCm39) D95G probably benign Het
Igsf10 G A 3: 59,243,843 (GRCm39) R164W probably damaging Het
Ilkap A C 1: 91,314,937 (GRCm39) I142S probably benign Het
Insyn2a A T 7: 134,520,439 (GRCm39) Y30* probably null Het
Kctd14 C G 7: 97,104,104 (GRCm39) P53R unknown Het
Kndc1 A T 7: 139,500,600 (GRCm39) D655V probably damaging Het
Krt1c A C 15: 101,725,948 (GRCm39) S197A probably benign Het
Lpin1 A T 12: 16,588,483 (GRCm39) S902R unknown Het
Mapk13 T C 17: 28,994,532 (GRCm39) I141T probably damaging Het
Micall2 A G 5: 139,701,827 (GRCm39) V472A unknown Het
Mmp15 T C 8: 96,092,959 (GRCm39) F113L probably benign Het
Msantd5f6 C T 4: 73,319,685 (GRCm39) A264T probably benign Het
Msh2 T G 17: 88,026,717 (GRCm39) S738A probably benign Het
Muc20 T G 16: 32,613,584 (GRCm39) T598P probably damaging Het
Myo1f T C 17: 33,795,424 (GRCm39) V53A probably damaging Het
Ncf1 A T 5: 134,250,718 (GRCm39) N367K probably benign Het
Nme8 T G 13: 19,874,384 (GRCm39) I139L probably benign Het
Odam T C 5: 88,034,457 (GRCm39) F46L probably benign Het
Or51a25 C A 7: 102,372,795 (GRCm39) V301F possibly damaging Het
Or7a42 G A 10: 78,791,929 (GRCm39) D297N possibly damaging Het
Pcare A G 17: 72,057,217 (GRCm39) L820P probably damaging Het
Pi4ka A G 16: 17,099,788 (GRCm39) I1945T Het
Rbmyf9 T G Y: 3,774,819 (GRCm39) D5E probably damaging Het
Rell1 T C 5: 64,097,105 (GRCm39) probably benign Het
Ripk3 A G 14: 56,023,303 (GRCm39) F134S probably benign Het
Sclt1 A T 3: 41,665,631 (GRCm39) W146R probably benign Het
Slc18a2 T C 19: 59,261,647 (GRCm39) M178T probably benign Het
Slc24a5 G T 2: 124,922,568 (GRCm39) G110V probably damaging Het
Slc38a10 T A 11: 119,996,781 (GRCm39) D772V probably benign Het
Slc9c1 T C 16: 45,398,275 (GRCm39) L680P possibly damaging Het
Tll2 T A 19: 41,093,436 (GRCm39) Y477F probably benign Het
Tmco1 C T 1: 167,136,132 (GRCm39) probably benign Het
Tnrc18 G T 5: 142,773,392 (GRCm39) A479D Het
Topaz1 T A 9: 122,596,097 (GRCm39) M956K probably benign Het
Vmn2r56 T A 7: 12,444,237 (GRCm39) D465V possibly damaging Het
Xndc1 T A 7: 101,722,476 (GRCm39) V47E probably damaging Het
Other mutations in Arhgap21
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01382:Arhgap21 APN 2 20,860,511 (GRCm39) missense probably damaging 1.00
IGL01472:Arhgap21 APN 2 20,854,392 (GRCm39) missense probably damaging 1.00
IGL01634:Arhgap21 APN 2 20,919,455 (GRCm39) missense probably benign 0.00
IGL01766:Arhgap21 APN 2 20,854,448 (GRCm39) missense possibly damaging 0.68
IGL02097:Arhgap21 APN 2 20,884,813 (GRCm39) missense probably benign 0.39
IGL02197:Arhgap21 APN 2 20,885,117 (GRCm39) missense probably benign
IGL02264:Arhgap21 APN 2 20,864,850 (GRCm39) splice site probably null
IGL02346:Arhgap21 APN 2 20,884,762 (GRCm39) splice site probably benign
IGL02418:Arhgap21 APN 2 20,885,711 (GRCm39) missense probably damaging 1.00
IGL02605:Arhgap21 APN 2 20,860,399 (GRCm39) missense probably damaging 1.00
IGL02701:Arhgap21 APN 2 20,896,902 (GRCm39) missense probably damaging 1.00
IGL03019:Arhgap21 APN 2 20,865,874 (GRCm39) missense probably damaging 1.00
IGL03085:Arhgap21 APN 2 20,919,532 (GRCm39) missense probably benign
IGL03265:Arhgap21 APN 2 20,854,439 (GRCm39) missense probably benign 0.03
IGL03379:Arhgap21 APN 2 20,885,500 (GRCm39) missense probably benign 0.41
R0304:Arhgap21 UTSW 2 20,864,612 (GRCm39) splice site probably benign
R0363:Arhgap21 UTSW 2 20,885,944 (GRCm39) missense probably damaging 1.00
R0498:Arhgap21 UTSW 2 20,867,928 (GRCm39) missense probably damaging 1.00
R0539:Arhgap21 UTSW 2 20,919,610 (GRCm39) nonsense probably null
R0633:Arhgap21 UTSW 2 20,860,198 (GRCm39) nonsense probably null
R0905:Arhgap21 UTSW 2 20,854,745 (GRCm39) missense possibly damaging 0.88
R1550:Arhgap21 UTSW 2 20,886,576 (GRCm39) nonsense probably null
R1570:Arhgap21 UTSW 2 20,885,651 (GRCm39) missense probably benign
R1686:Arhgap21 UTSW 2 20,886,659 (GRCm39) missense probably damaging 1.00
R1746:Arhgap21 UTSW 2 20,865,910 (GRCm39) missense probably damaging 0.99
R1864:Arhgap21 UTSW 2 20,866,015 (GRCm39) missense probably damaging 1.00
R1865:Arhgap21 UTSW 2 20,866,015 (GRCm39) missense probably damaging 1.00
R2209:Arhgap21 UTSW 2 20,854,331 (GRCm39) missense probably damaging 1.00
R2211:Arhgap21 UTSW 2 20,886,451 (GRCm39) missense possibly damaging 0.56
R2276:Arhgap21 UTSW 2 20,868,037 (GRCm39) missense possibly damaging 0.94
R2277:Arhgap21 UTSW 2 20,868,037 (GRCm39) missense possibly damaging 0.94
R2279:Arhgap21 UTSW 2 20,868,037 (GRCm39) missense possibly damaging 0.94
R2336:Arhgap21 UTSW 2 20,884,862 (GRCm39) missense probably damaging 1.00
R2516:Arhgap21 UTSW 2 20,859,809 (GRCm39) missense probably damaging 1.00
R3722:Arhgap21 UTSW 2 20,855,102 (GRCm39) missense probably damaging 1.00
R3877:Arhgap21 UTSW 2 20,864,717 (GRCm39) missense probably damaging 0.99
R4017:Arhgap21 UTSW 2 20,896,915 (GRCm39) missense probably benign 0.10
R4232:Arhgap21 UTSW 2 20,891,948 (GRCm39) missense probably damaging 1.00
R4233:Arhgap21 UTSW 2 20,891,948 (GRCm39) missense probably damaging 1.00
R4234:Arhgap21 UTSW 2 20,891,948 (GRCm39) missense probably damaging 1.00
R4235:Arhgap21 UTSW 2 20,891,948 (GRCm39) missense probably damaging 1.00
R4236:Arhgap21 UTSW 2 20,891,948 (GRCm39) missense probably damaging 1.00
R4434:Arhgap21 UTSW 2 20,972,146 (GRCm39) missense probably benign
R4686:Arhgap21 UTSW 2 20,868,033 (GRCm39) missense probably damaging 1.00
R4817:Arhgap21 UTSW 2 20,854,967 (GRCm39) missense probably benign
R4834:Arhgap21 UTSW 2 20,870,130 (GRCm39) missense probably damaging 1.00
R4845:Arhgap21 UTSW 2 20,885,998 (GRCm39) missense probably damaging 0.99
R4889:Arhgap21 UTSW 2 20,885,279 (GRCm39) missense probably benign 0.10
R4904:Arhgap21 UTSW 2 20,854,872 (GRCm39) missense probably benign 0.00
R4911:Arhgap21 UTSW 2 20,863,800 (GRCm39) missense probably damaging 1.00
R4994:Arhgap21 UTSW 2 20,854,701 (GRCm39) missense probably benign 0.00
R5067:Arhgap21 UTSW 2 20,884,848 (GRCm39) missense probably damaging 1.00
R5086:Arhgap21 UTSW 2 20,853,645 (GRCm39) missense probably benign 0.00
R5281:Arhgap21 UTSW 2 20,854,127 (GRCm39) missense probably damaging 1.00
R5364:Arhgap21 UTSW 2 20,854,533 (GRCm39) missense probably damaging 1.00
R5420:Arhgap21 UTSW 2 20,885,897 (GRCm39) missense probably damaging 0.99
R5476:Arhgap21 UTSW 2 20,885,497 (GRCm39) missense probably benign 0.06
R5831:Arhgap21 UTSW 2 20,868,024 (GRCm39) missense probably damaging 1.00
R5949:Arhgap21 UTSW 2 20,853,852 (GRCm39) missense probably damaging 0.97
R5994:Arhgap21 UTSW 2 20,886,187 (GRCm39) missense possibly damaging 0.78
R6014:Arhgap21 UTSW 2 20,886,616 (GRCm39) missense probably damaging 1.00
R6739:Arhgap21 UTSW 2 20,885,543 (GRCm39) missense possibly damaging 0.94
R6817:Arhgap21 UTSW 2 20,885,107 (GRCm39) missense probably benign 0.23
R6821:Arhgap21 UTSW 2 20,853,659 (GRCm39) missense probably benign
R6844:Arhgap21 UTSW 2 20,886,116 (GRCm39) missense probably benign 0.00
R6870:Arhgap21 UTSW 2 20,885,321 (GRCm39) missense probably damaging 1.00
R6891:Arhgap21 UTSW 2 20,855,142 (GRCm39) missense probably damaging 0.97
R7011:Arhgap21 UTSW 2 20,853,689 (GRCm39) missense possibly damaging 0.65
R7144:Arhgap21 UTSW 2 20,870,198 (GRCm39) missense probably benign
R7237:Arhgap21 UTSW 2 20,854,783 (GRCm39) nonsense probably null
R7261:Arhgap21 UTSW 2 20,885,177 (GRCm39) missense probably benign
R7558:Arhgap21 UTSW 2 20,860,421 (GRCm39) missense probably damaging 1.00
R7566:Arhgap21 UTSW 2 20,917,102 (GRCm39) missense probably benign 0.17
R7738:Arhgap21 UTSW 2 20,855,169 (GRCm39) missense probably damaging 1.00
R7738:Arhgap21 UTSW 2 20,854,290 (GRCm39) missense probably damaging 1.00
R7820:Arhgap21 UTSW 2 20,867,983 (GRCm39) missense probably damaging 1.00
R7822:Arhgap21 UTSW 2 20,885,524 (GRCm39) missense possibly damaging 0.80
R7965:Arhgap21 UTSW 2 20,854,007 (GRCm39) missense probably damaging 1.00
R7986:Arhgap21 UTSW 2 20,867,967 (GRCm39) missense probably damaging 1.00
R8028:Arhgap21 UTSW 2 20,885,216 (GRCm39) missense probably benign 0.02
R8209:Arhgap21 UTSW 2 20,876,556 (GRCm39) missense probably damaging 1.00
R8226:Arhgap21 UTSW 2 20,876,556 (GRCm39) missense probably damaging 1.00
R8251:Arhgap21 UTSW 2 20,854,221 (GRCm39) missense probably benign
R8486:Arhgap21 UTSW 2 20,865,236 (GRCm39) missense probably damaging 1.00
R8487:Arhgap21 UTSW 2 20,886,116 (GRCm39) missense probably benign 0.08
R8508:Arhgap21 UTSW 2 20,858,991 (GRCm39) missense probably benign 0.17
R8835:Arhgap21 UTSW 2 20,972,144 (GRCm39) nonsense probably null
R9140:Arhgap21 UTSW 2 20,886,025 (GRCm39) missense probably damaging 1.00
R9190:Arhgap21 UTSW 2 20,858,983 (GRCm39) missense probably null 0.04
R9204:Arhgap21 UTSW 2 20,885,816 (GRCm39) missense probably damaging 1.00
R9227:Arhgap21 UTSW 2 20,860,469 (GRCm39) missense possibly damaging 0.92
R9308:Arhgap21 UTSW 2 20,854,061 (GRCm39) missense probably damaging 0.99
R9374:Arhgap21 UTSW 2 20,886,397 (GRCm39) missense probably damaging 1.00
R9449:Arhgap21 UTSW 2 20,885,464 (GRCm39) missense probably benign
R9454:Arhgap21 UTSW 2 20,870,153 (GRCm39) missense probably damaging 0.99
R9499:Arhgap21 UTSW 2 20,886,397 (GRCm39) missense probably damaging 1.00
R9544:Arhgap21 UTSW 2 20,858,938 (GRCm39) missense possibly damaging 0.73
R9552:Arhgap21 UTSW 2 20,886,397 (GRCm39) missense probably damaging 1.00
R9567:Arhgap21 UTSW 2 20,896,953 (GRCm39) missense possibly damaging 0.94
R9588:Arhgap21 UTSW 2 20,858,938 (GRCm39) missense possibly damaging 0.73
R9749:Arhgap21 UTSW 2 20,854,026 (GRCm39) missense probably benign 0.00
Z1191:Arhgap21 UTSW 2 20,886,283 (GRCm39) missense probably benign 0.30
Predicted Primers PCR Primer
(F):5'- CTGAAGTGTAGCTCTCCCTTGG -3'
(R):5'- AGAATGGACTTCTCGTCATCCAG -3'

Sequencing Primer
(F):5'- CCTTGGGGAATAGCACAGAAAC -3'
(R):5'- TGGAGACCTGGCCTAATT -3'
Posted On 2022-02-07