Incidental Mutation 'R4709:Itgam'
ID 355485
Institutional Source Beutler Lab
Gene Symbol Itgam
Ensembl Gene ENSMUSG00000030786
Gene Name integrin alpha M
Synonyms Mac-1, complement receptor type 3, Ly-40, Mac-1 alpha, CD11B (p170), Cd11b, Mac-1a, CD11b/CD18, complement component receptor 3 alpha, F730045J24Rik, CR3
MMRRC Submission 042018-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R4709 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 127661812-127717663 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 127700709 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 493 (V493A)
Ref Sequence ENSEMBL: ENSMUSP00000113957 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000064821] [ENSMUST00000098015] [ENSMUST00000106240] [ENSMUST00000106242] [ENSMUST00000120355]
AlphaFold no structure available at present
Predicted Effect
SMART Domains Protein: ENSMUSP00000068468
Gene: ENSMUSG00000030786
AA Change: V493A

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Int_alpha 30 80 8.11e0 SMART
VWA 148 333 2.63e-49 SMART
Int_alpha 400 449 1.07e1 SMART
Int_alpha 453 510 1.48e-7 SMART
Int_alpha 516 572 4.9e-13 SMART
Int_alpha 579 633 3.67e-3 SMART
low complexity region 849 855 N/A INTRINSIC
Pfam:Integrin_alpha 1130 1144 2.1e-7 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000098015
AA Change: V493A

PolyPhen 2 Score 0.968 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000095625
Gene: ENSMUSG00000108596
AA Change: V493A

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Int_alpha 30 80 8.11e0 SMART
VWA 148 333 2.63e-49 SMART
Int_alpha 400 449 1.07e1 SMART
Int_alpha 453 510 1.48e-7 SMART
Int_alpha 516 572 4.9e-13 SMART
Int_alpha 579 633 3.67e-3 SMART
low complexity region 849 855 N/A INTRINSIC
coiled coil region 1143 1170 N/A INTRINSIC
low complexity region 1178 1200 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000106240
SMART Domains Protein: ENSMUSP00000101847
Gene: ENSMUSG00000030786

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Int_alpha 30 80 8.11e0 SMART
VWA 148 333 2.63e-49 SMART
Int_alpha 400 449 1.07e1 SMART
Int_alpha 462 516 3.67e-3 SMART
low complexity region 732 738 N/A INTRINSIC
Pfam:Integrin_alpha 1013 1027 3.9e-9 PFAM
Predicted Effect
SMART Domains Protein: ENSMUSP00000101849
Gene: ENSMUSG00000030786
AA Change: V493A

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Int_alpha 30 80 8.11e0 SMART
VWA 148 333 2.63e-49 SMART
Int_alpha 400 449 1.07e1 SMART
Int_alpha 453 511 5.91e-7 SMART
Int_alpha 517 573 4.9e-13 SMART
Int_alpha 580 634 3.67e-3 SMART
low complexity region 850 856 N/A INTRINSIC
Pfam:Integrin_alpha 1131 1145 8.4e-8 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000120355
AA Change: V493A

PolyPhen 2 Score 0.991 (Sensitivity: 0.71; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000113957
Gene: ENSMUSG00000030786
AA Change: V493A

DomainStartEndE-ValueType
signal peptide 1 16 N/A INTRINSIC
Int_alpha 30 80 8.11e0 SMART
VWA 148 333 2.63e-49 SMART
Int_alpha 400 449 1.07e1 SMART
Int_alpha 453 511 5.91e-7 SMART
Int_alpha 517 573 4.9e-13 SMART
Int_alpha 580 634 3.67e-3 SMART
low complexity region 850 856 N/A INTRINSIC
low complexity region 1141 1150 N/A INTRINSIC
Predicted Effect not run
Transcript: ENSMUST00000126475
AA Change: V403A
Meta Mutation Damage Score 0.4585 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 93.9%
Validation Efficiency 97% (77/79)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the integrin alpha M chain. Integrins are heterodimeric integral membrane proteins composed of an alpha chain and a beta chain. This I-domain containing alpha integrin combines with the beta 2 chain (ITGB2) to form a leukocyte-specific integrin referred to as macrophage receptor 1 ('Mac-1'), or inactivated-C3b (iC3b) receptor 3 ('CR3'). The alpha M beta 2 integrin is important in the adherence of neutrophils and monocytes to stimulated endothelium, and also in the phagocytosis of complement coated particles. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2009]
PHENOTYPE: Homozygous null mice exhibit reduced staphylococcal enterotoxin- induced T cell proliferation, reduced neutrophil adhesion to fibrinogen, and defective homotypic aggregation and reduced degranulation of neutrophils. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcf1 G A 17: 36,271,069 (GRCm39) T463M probably damaging Het
Arhgap35 C T 7: 16,297,511 (GRCm39) G518D probably damaging Het
Arhgdia A G 11: 120,470,517 (GRCm39) Y110H probably damaging Het
Atp8b3 T C 10: 80,372,604 (GRCm39) probably null Het
Bpifb6 T A 2: 153,750,436 (GRCm39) I309N possibly damaging Het
Cbr4 T C 8: 61,943,061 (GRCm39) V77A possibly damaging Het
Cers2 A G 3: 95,227,534 (GRCm39) Y54C possibly damaging Het
Cnbp A T 6: 87,821,120 (GRCm39) H145Q probably damaging Het
Csmd1 A T 8: 16,073,905 (GRCm39) I2030N possibly damaging Het
Csmd1 A G 8: 16,760,522 (GRCm39) probably null Het
Dhodh T C 8: 110,328,170 (GRCm39) probably null Het
Dnah11 T A 12: 117,982,495 (GRCm39) Y2558F probably benign Het
Dysf C A 6: 84,074,697 (GRCm39) D499E probably damaging Het
En1 A T 1: 120,534,872 (GRCm39) Y387F unknown Het
Ephb2 C A 4: 136,423,363 (GRCm39) C305F probably damaging Het
Fryl A G 5: 73,238,315 (GRCm39) V1477A probably benign Het
Gimap3 A T 6: 48,742,327 (GRCm39) L201Q probably benign Het
Gm10801 T G 2: 98,494,246 (GRCm39) probably null Het
Grhl1 A G 12: 24,636,132 (GRCm39) I283V possibly damaging Het
Grid2ip T A 5: 143,374,658 (GRCm39) L926H probably damaging Het
Gtf2h2 G T 13: 100,605,523 (GRCm39) C82* probably null Het
Gtf2ird1 T C 5: 134,433,588 (GRCm39) T280A probably benign Het
Gzmd T C 14: 56,367,698 (GRCm39) I192V probably null Het
Hectd1 A G 12: 51,834,695 (GRCm39) V855A possibly damaging Het
Hey1 A G 3: 8,730,963 (GRCm39) probably benign Het
Hpx A G 7: 105,249,243 (GRCm39) S19P probably benign Het
Incenp G A 19: 9,853,964 (GRCm39) R696W unknown Het
Ldlrad3 A G 2: 101,900,343 (GRCm39) I53T probably damaging Het
Map3k7 G T 4: 31,985,700 (GRCm39) E208* probably null Het
Myh9 A T 15: 77,671,717 (GRCm39) I458N probably damaging Het
Myo1c C T 11: 75,560,856 (GRCm39) R770* probably null Het
Nectin3 T A 16: 46,284,306 (GRCm39) Y126F possibly damaging Het
Nek5 A T 8: 22,573,443 (GRCm39) N504K probably damaging Het
Nlrp4c T A 7: 6,068,424 (GRCm39) H108Q probably benign Het
Or10d5 A T 9: 39,861,165 (GRCm39) L301M probably damaging Het
Or2ak4 T C 11: 58,649,013 (GRCm39) V174A possibly damaging Het
Or2at1 A T 7: 99,416,989 (GRCm39) I207F probably damaging Het
Or5h17 A T 16: 58,820,458 (GRCm39) T137S probably benign Het
Or9a2 G T 6: 41,748,442 (GRCm39) Q264K probably benign Het
Or9i14 T A 19: 13,792,814 (GRCm39) I47F possibly damaging Het
Parp6 T C 9: 59,549,052 (GRCm39) I507T probably damaging Het
Pcdhb12 A G 18: 37,570,548 (GRCm39) T565A probably benign Het
Pclo A G 5: 14,828,572 (GRCm39) N4676D unknown Het
Pdlim1 T A 19: 40,211,180 (GRCm39) H278L probably benign Het
Pfkfb3 G A 2: 11,498,719 (GRCm39) T46M probably damaging Het
Plscr2 A G 9: 92,173,067 (GRCm39) Y203C probably damaging Het
Plxna1 T C 6: 89,311,733 (GRCm39) D924G possibly damaging Het
Postn T A 3: 54,292,031 (GRCm39) probably benign Het
Ptpn23 A G 9: 110,217,924 (GRCm39) S674P possibly damaging Het
Ranbp6 C T 19: 29,788,984 (GRCm39) R456Q probably benign Het
Rbm43 A T 2: 51,819,728 (GRCm39) V46E probably damaging Het
Rlig1 T C 10: 100,414,243 (GRCm39) I139V probably benign Het
Rtn4r A G 16: 17,969,046 (GRCm39) Y158C probably damaging Het
Ryr2 A G 13: 11,731,884 (GRCm39) I2352T probably damaging Het
Sbk2 G T 7: 4,960,577 (GRCm39) R198S possibly damaging Het
Scube3 G A 17: 28,386,166 (GRCm39) probably null Het
Slc45a1 G A 4: 150,722,697 (GRCm39) P396S probably benign Het
Slc4a10 A G 2: 62,087,861 (GRCm39) D418G probably null Het
Smarcad1 A G 6: 65,052,099 (GRCm39) T411A probably benign Het
Smtn G A 11: 3,474,663 (GRCm39) S716F probably damaging Het
Stag1 G T 9: 100,620,092 (GRCm39) R65L probably damaging Het
Stat1 A T 1: 52,165,680 (GRCm39) D92V probably damaging Het
Ttn A G 2: 76,582,428 (GRCm39) Y22822H probably damaging Het
Vmn1r172 A G 7: 23,359,606 (GRCm39) T164A probably benign Het
Vmn2r118 A T 17: 55,917,860 (GRCm39) D217E probably damaging Het
Vmn2r26 A G 6: 124,030,924 (GRCm39) E553G probably damaging Het
Vmn2r96 T C 17: 18,803,088 (GRCm39) F333L probably benign Het
Ypel5 G A 17: 73,155,726 (GRCm39) R98H probably benign Het
Zfp719 C T 7: 43,239,656 (GRCm39) H415Y probably damaging Het
Zyg11a T C 4: 108,062,268 (GRCm39) S176G probably benign Het
Other mutations in Itgam
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00324:Itgam APN 7 127,684,833 (GRCm39) missense probably damaging 1.00
IGL00983:Itgam APN 7 127,667,839 (GRCm39) missense probably damaging 0.97
IGL01102:Itgam APN 7 127,679,445 (GRCm39) missense possibly damaging 0.94
IGL01615:Itgam APN 7 127,715,939 (GRCm39) missense possibly damaging 0.80
IGL01845:Itgam APN 7 127,711,644 (GRCm39) missense probably damaging 1.00
IGL01860:Itgam APN 7 127,670,115 (GRCm39) missense probably benign 0.03
IGL01874:Itgam APN 7 127,714,338 (GRCm39) missense probably damaging 0.97
IGL01910:Itgam APN 7 127,682,948 (GRCm39) missense probably damaging 1.00
IGL01994:Itgam APN 7 127,700,899 (GRCm39) missense probably damaging 0.97
IGL02332:Itgam APN 7 127,684,846 (GRCm39) critical splice donor site probably null
IGL02348:Itgam APN 7 127,715,472 (GRCm39) missense possibly damaging 0.52
IGL02394:Itgam APN 7 127,684,114 (GRCm39) missense probably benign 0.01
IGL02491:Itgam APN 7 127,715,190 (GRCm39) missense possibly damaging 0.71
IGL02695:Itgam APN 7 127,685,113 (GRCm39) missense possibly damaging 0.81
IGL02821:Itgam APN 7 127,675,281 (GRCm39) missense probably damaging 0.99
IGL02970:Itgam APN 7 127,685,215 (GRCm39) missense probably benign 0.00
IGL03145:Itgam APN 7 127,712,191 (GRCm39) missense probably benign 0.12
adhesion UTSW 7 127,700,709 (GRCm39) missense probably damaging 0.99
apparition UTSW 7 127,711,458 (GRCm39) splice site probably null
attachment UTSW 7 127,712,205 (GRCm39) missense probably damaging 1.00
Follower UTSW 7 127,679,436 (GRCm39) missense probably damaging 1.00
invisible UTSW 7 127,669,875 (GRCm39) splice site probably null
obscured UTSW 7 127,680,806 (GRCm39) missense probably damaging 1.00
R0184:Itgam UTSW 7 127,685,230 (GRCm39) missense probably damaging 0.96
R0389:Itgam UTSW 7 127,680,806 (GRCm39) missense probably damaging 1.00
R0443:Itgam UTSW 7 127,680,806 (GRCm39) missense probably damaging 1.00
R0454:Itgam UTSW 7 127,707,152 (GRCm39) missense probably benign 0.01
R0674:Itgam UTSW 7 127,715,390 (GRCm39) missense possibly damaging 0.67
R0828:Itgam UTSW 7 127,715,677 (GRCm39) critical splice donor site probably null
R0925:Itgam UTSW 7 127,711,410 (GRCm39) missense probably benign 0.00
R1086:Itgam UTSW 7 127,679,436 (GRCm39) missense probably damaging 1.00
R1655:Itgam UTSW 7 127,714,335 (GRCm39) missense probably benign 0.00
R1809:Itgam UTSW 7 127,670,109 (GRCm39) missense possibly damaging 0.62
R1823:Itgam UTSW 7 127,663,904 (GRCm39) missense probably benign 0.04
R2105:Itgam UTSW 7 127,680,884 (GRCm39) missense probably damaging 1.00
R2154:Itgam UTSW 7 127,684,749 (GRCm39) missense probably damaging 0.99
R2656:Itgam UTSW 7 127,715,987 (GRCm39) missense probably null 1.00
R2913:Itgam UTSW 7 127,711,578 (GRCm39) missense probably damaging 1.00
R3116:Itgam UTSW 7 127,715,201 (GRCm39) missense probably damaging 1.00
R3404:Itgam UTSW 7 127,669,875 (GRCm39) splice site probably null
R3821:Itgam UTSW 7 127,711,458 (GRCm39) splice site probably null
R3822:Itgam UTSW 7 127,711,458 (GRCm39) splice site probably null
R3960:Itgam UTSW 7 127,714,347 (GRCm39) missense probably benign 0.02
R3968:Itgam UTSW 7 127,712,205 (GRCm39) missense probably damaging 1.00
R4192:Itgam UTSW 7 127,663,904 (GRCm39) missense probably benign 0.21
R4400:Itgam UTSW 7 127,680,830 (GRCm39) missense probably damaging 1.00
R4708:Itgam UTSW 7 127,700,709 (GRCm39) missense probably damaging 0.99
R4742:Itgam UTSW 7 127,712,245 (GRCm39) missense probably damaging 1.00
R4790:Itgam UTSW 7 127,715,445 (GRCm39) missense probably benign 0.01
R4960:Itgam UTSW 7 127,715,012 (GRCm39) missense possibly damaging 0.93
R5109:Itgam UTSW 7 127,712,390 (GRCm39) missense probably benign 0.06
R5190:Itgam UTSW 7 127,715,489 (GRCm39) splice site probably null
R5379:Itgam UTSW 7 127,711,560 (GRCm39) missense probably damaging 1.00
R5386:Itgam UTSW 7 127,707,152 (GRCm39) missense probably benign 0.00
R6104:Itgam UTSW 7 127,715,474 (GRCm39) missense possibly damaging 0.85
R6122:Itgam UTSW 7 127,684,824 (GRCm39) missense probably damaging 0.99
R6189:Itgam UTSW 7 127,711,676 (GRCm39) missense probably benign 0.04
R6282:Itgam UTSW 7 127,684,114 (GRCm39) missense probably benign 0.01
R6545:Itgam UTSW 7 127,707,044 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCTAGATTCTTCTCAGGTGGAAAG -3'
(R):5'- CAATGGCCACATCTGTCAGTTTG -3'

Sequencing Primer
(F):5'- AGATTCTTCTCAGGTGGAAAGAGGTG -3'
(R):5'- ACGTCTCCCAGCACTGTCAG -3'
Posted On 2015-10-21