Incidental Mutation 'R2105:Itgam'
ID 230875
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 040109-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R2105 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 127661812-127717663 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 127680884 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Aspartic acid at position 271 (V271D)
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 probably damaging
Transcript: ENSMUST00000064821
AA Change: V271D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000068468
Gene: ENSMUSG00000030786
AA Change: V271D

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: V271D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000095625
Gene: ENSMUSG00000108596
AA Change: V271D

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 damaging
Transcript: ENSMUST00000106240
AA Change: V271D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000101847
Gene: ENSMUSG00000030786
AA Change: V271D

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 probably damaging
Transcript: ENSMUST00000106242
AA Change: V271D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000101849
Gene: ENSMUSG00000030786
AA Change: V271D

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: V271D

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000113957
Gene: ENSMUSG00000030786
AA Change: V271D

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
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency
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: 86 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A2m C T 6: 121,650,459 (GRCm39) P1189L probably benign Het
Acbd4 G A 11: 102,995,265 (GRCm39) D57N probably damaging Het
Acot4 A T 12: 84,085,516 (GRCm39) M78L probably damaging Het
Ago1 A T 4: 126,355,581 (GRCm39) M76K probably benign Het
Agrn G T 4: 156,261,756 (GRCm39) Y511* probably null Het
Arhgef15 A T 11: 68,838,507 (GRCm39) probably null Het
Atp1a3 A T 7: 24,689,278 (GRCm39) M594K probably damaging Het
Atp4a G A 7: 30,419,793 (GRCm39) probably null Het
Bckdk T A 7: 127,506,489 (GRCm39) I272N probably damaging Het
Bod1l A G 5: 41,989,622 (GRCm39) V367A probably benign Het
C1galt1c1 T C X: 37,720,145 (GRCm39) M284V possibly damaging Het
Cenpk T A 13: 104,366,105 (GRCm39) C4* probably null Het
Cfap53 T C 18: 74,416,294 (GRCm39) V9A possibly damaging Het
Chil3 T C 3: 106,067,794 (GRCm39) I124V possibly damaging Het
Creld2 G A 15: 88,704,834 (GRCm39) W103* probably null Het
Cyp2c67 T C 19: 39,614,681 (GRCm39) Y282C probably benign Het
D5Ertd579e C T 5: 36,770,793 (GRCm39) A1201T probably benign Het
Dock4 A G 12: 40,742,988 (GRCm39) H381R probably benign Het
Drc1 C T 5: 30,513,785 (GRCm39) S447F probably benign Het
Fam83g G T 11: 61,594,284 (GRCm39) R606L probably benign Het
Fmnl1 A C 11: 103,085,518 (GRCm39) S688R probably benign Het
Fryl C T 5: 73,279,642 (GRCm39) V219I probably benign Het
Golgb1 T A 16: 36,735,026 (GRCm39) N1424K probably benign Het
Gpr39 T C 1: 125,605,621 (GRCm39) V183A possibly damaging Het
H2-T22 A T 17: 36,351,409 (GRCm39) Y274N probably benign Het
Hif1a T A 12: 73,984,519 (GRCm39) Y313N probably damaging Het
Hip1r T A 5: 124,138,267 (GRCm39) M787K probably damaging Het
Hipk3 T C 2: 104,269,737 (GRCm39) E484G probably damaging Het
Hsh2d T A 8: 72,954,490 (GRCm39) F291I probably benign Het
Ino80 T C 2: 119,262,410 (GRCm39) E692G probably null Het
Kansl1 A C 11: 104,226,385 (GRCm39) I924S probably damaging Het
Kcnq2 A G 2: 180,723,145 (GRCm39) C628R probably benign Het
Krt78 A C 15: 101,855,849 (GRCm39) V654G possibly damaging Het
Lrit2 A G 14: 36,793,913 (GRCm39) T326A probably damaging Het
Ltk T C 2: 119,582,569 (GRCm39) E710G probably damaging Het
Lysmd1 T C 3: 95,042,285 (GRCm39) L53S probably damaging Het
Mc4r T C 18: 66,992,669 (GRCm39) Y148C probably damaging Het
Mfn2 G A 4: 147,973,162 (GRCm39) Q172* probably null Het
Mknk2 A G 10: 80,504,435 (GRCm39) L242P possibly damaging Het
Mrpl45 A T 11: 97,216,573 (GRCm39) H167L probably benign Het
Myc T C 15: 61,859,951 (GRCm39) V208A probably damaging Het
Myh7b A G 2: 155,471,377 (GRCm39) E1175G probably benign Het
Myo18a A T 11: 77,741,060 (GRCm39) M1456L probably benign Het
Myocd G A 11: 65,109,484 (GRCm39) Q96* probably null Het
Nckap5 T A 1: 125,954,255 (GRCm39) I766F probably damaging Het
Ndst1 T C 18: 60,824,325 (GRCm39) E784G probably benign Het
Nf1 A T 11: 79,360,652 (GRCm39) R1443S possibly damaging Het
Nhlrc3 A G 3: 53,361,072 (GRCm39) W228R probably damaging Het
Nup107 G A 10: 117,609,225 (GRCm39) T378I probably damaging Het
Or14c40 A T 7: 86,313,591 (GRCm39) K240N probably damaging Het
Or1o3 A T 17: 37,573,964 (GRCm39) M197K probably benign Het
Or52d13 T A 7: 103,109,480 (GRCm39) probably null Het
Or5m3b C T 2: 85,871,674 (GRCm39) T5I probably damaging Het
Or5w11 A G 2: 87,459,283 (GRCm39) T159A probably benign Het
Or6b13 T A 7: 139,782,656 (GRCm39) D9V probably benign Het
Otop1 A G 5: 38,457,801 (GRCm39) D520G probably benign Het
Papln C T 12: 83,827,010 (GRCm39) P712S probably benign Het
Pcbd2 T A 13: 55,880,846 (GRCm39) I34N probably damaging Het
Pkd1l3 T A 8: 110,374,205 (GRCm39) C29* probably null Het
Pou5f1 G A 17: 35,820,899 (GRCm39) V114M probably benign Het
Pramel28 A T 4: 143,692,390 (GRCm39) Y204N probably benign Het
Prpf4b C A 13: 35,068,214 (GRCm39) probably benign Het
Prr23a1 C T 9: 98,724,709 (GRCm39) P24S probably damaging Het
Ptch1 T A 13: 63,693,059 (GRCm39) M65L probably benign Het
Rc3h2 A T 2: 37,289,636 (GRCm39) I392K possibly damaging Het
Reck G T 4: 43,943,195 (GRCm39) D916Y probably damaging Het
Rtf2 A G 2: 172,287,285 (GRCm39) D68G probably damaging Het
Ryr1 G T 7: 28,789,575 (GRCm39) T1513K probably damaging Het
Sacs A G 14: 61,410,890 (GRCm39) D55G possibly damaging Het
Scn9a A G 2: 66,398,527 (GRCm39) S28P probably benign Het
Scrn3 A G 2: 73,160,196 (GRCm39) M280V probably damaging Het
Snx29 C T 16: 11,328,898 (GRCm39) T559I possibly damaging Het
Spn C T 7: 126,735,413 (GRCm39) E109K probably damaging Het
Sra1 C T 18: 36,808,121 (GRCm39) R369H probably benign Het
Srsf11 C T 3: 157,724,982 (GRCm39) A64T probably damaging Het
Stk17b A G 1: 53,815,764 (GRCm39) S12P probably benign Het
Sult1d1 C A 5: 87,707,661 (GRCm39) G153V probably damaging Het
Sycp2 A T 2: 177,991,931 (GRCm39) probably null Het
Tgfb3 T C 12: 86,116,543 (GRCm39) E165G possibly damaging Het
Tns2 C A 15: 102,015,941 (GRCm39) H160N probably benign Het
Ubn1 T A 16: 4,895,088 (GRCm39) C711* probably null Het
Usp13 A T 3: 32,956,135 (GRCm39) D469V probably damaging Het
Vmn1r231 A T 17: 21,110,380 (GRCm39) H178Q possibly damaging Het
Vwa1 A G 4: 155,857,250 (GRCm39) S183P probably damaging Het
Xpo7 A G 14: 70,928,431 (GRCm39) I424T probably benign Het
Zfp109 A G 7: 23,936,041 (GRCm39) probably null 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
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
R4709: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'- CGATCCTGACTCTGTAGCTG -3'
(R):5'- AGCATTATTGTGGCATAGATATGTGGC -3'

Sequencing Primer
(F):5'- GCCTCATGCCGGATGCTAAC -3'
(R):5'- CATAGATATGTGGCAGCTGGGC -3'
Posted On 2014-09-18