Incidental Mutation 'R6282:Itgam'
ID 507998
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 044452-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R6282 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 127661812-127717663 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 127684114 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Serine at position 340 (T340S)
Ref Sequence ENSEMBL: ENSMUSP00000101849 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000064821] [ENSMUST00000098015] [ENSMUST00000106240] [ENSMUST00000106242] [ENSMUST00000120355]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000064821
AA Change: T340S

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000068468
Gene: ENSMUSG00000030786
AA Change: T340S

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 benign
Transcript: ENSMUST00000098015
AA Change: T340S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000095625
Gene: ENSMUSG00000108596
AA Change: T340S

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
AA Change: T340S

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000101847
Gene: ENSMUSG00000030786
AA Change: T340S

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 benign
Transcript: ENSMUST00000106242
AA Change: T340S

PolyPhen 2 Score 0.009 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000101849
Gene: ENSMUSG00000030786
AA Change: T340S

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 benign
Transcript: ENSMUST00000120355
AA Change: T340S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113957
Gene: ENSMUSG00000030786
AA Change: T340S

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
Meta Mutation Damage Score 0.0595 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 96.3%
Validation Efficiency 98% (45/46)
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: 45 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700001O22Rik A T 2: 30,690,781 (GRCm39) L185Q possibly damaging Het
Abca6 A T 11: 110,099,650 (GRCm39) C966S probably damaging Het
Atp13a4 A T 16: 29,252,822 (GRCm39) I708N probably benign Het
Axin1 C G 17: 26,362,011 (GRCm39) D118E probably damaging Het
Bace2 A T 16: 97,216,297 (GRCm39) I297F probably damaging Het
Ccdc30 T A 4: 119,181,214 (GRCm39) D649V probably damaging Het
Cd180 G A 13: 102,830,265 (GRCm39) A20T possibly damaging Het
Cdk18 T C 1: 132,047,758 (GRCm39) D112G probably damaging Het
Cuedc1 A G 11: 88,074,228 (GRCm39) N254S probably damaging Het
Dnah7a T C 1: 53,542,760 (GRCm39) H2470R probably damaging Het
Drap1 G A 19: 5,474,464 (GRCm39) probably null Het
Fbxo5 T A 10: 5,751,216 (GRCm39) K257M probably damaging Het
Gm11595 G A 11: 99,663,381 (GRCm39) R100C unknown Het
Gm12790 A G 4: 101,824,713 (GRCm39) V185A possibly damaging Het
Gm7361 A G 5: 26,465,411 (GRCm39) N136S probably benign Het
Il10ra C A 9: 45,171,703 (GRCm39) C255F probably damaging Het
Insyn2b A G 11: 34,352,819 (GRCm39) D287G possibly damaging Het
Ktn1 A T 14: 47,901,428 (GRCm39) N62I probably damaging Het
Ldb2 A G 5: 44,690,007 (GRCm39) L204P probably damaging Het
Map2k4 T C 11: 65,597,842 (GRCm39) T90A possibly damaging Het
Mettl3 A T 14: 52,535,428 (GRCm39) D287E probably benign Het
Mier2 A G 10: 79,380,576 (GRCm39) F278S probably damaging Het
Mis18bp1 A G 12: 65,195,937 (GRCm39) M609T probably benign Het
Myo1d A T 11: 80,448,338 (GRCm39) V929D probably damaging Het
Naprt A T 15: 75,763,828 (GRCm39) M364K probably benign Het
Nod2 T A 8: 89,397,088 (GRCm39) C833S probably benign Het
Nrip3 C T 7: 109,362,686 (GRCm39) probably null Het
Ntsr2 A G 12: 16,708,426 (GRCm39) Y320C probably damaging Het
Or14j8 G A 17: 38,263,315 (GRCm39) S200F possibly damaging Het
Or4p7 C A 2: 88,221,877 (GRCm39) C95* probably null Het
Or51h1 G A 7: 102,308,854 (GRCm39) M275I probably benign Het
Osbpl3 A T 6: 50,325,063 (GRCm39) probably null Het
Pcdhb3 C T 18: 37,434,699 (GRCm39) R222C probably damaging Het
Pik3cd G T 4: 149,744,200 (GRCm39) R184S probably benign Het
Pramel32 T C 4: 88,548,291 (GRCm39) E38G probably damaging Het
Rad50 A T 11: 53,560,597 (GRCm39) probably null Het
Rad51ap2 A T 12: 11,507,560 (GRCm39) H494L probably benign Het
Rbm25 T C 12: 83,722,863 (GRCm39) M762T probably damaging Het
Sars1 G T 3: 108,335,590 (GRCm39) S338* probably null Het
Usp35 T C 7: 96,975,155 (GRCm39) E6G probably damaging Het
Vash2 T C 1: 190,692,422 (GRCm39) Y251C probably benign Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Wdr20 T A 12: 110,763,443 (GRCm39) probably benign Het
Wfdc1 G A 8: 120,406,146 (GRCm39) C87Y probably damaging Het
Zfp985 T A 4: 147,667,805 (GRCm39) H224Q 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
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
R6545:Itgam UTSW 7 127,707,044 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATCTATGTGCTACTACACCTGACC -3'
(R):5'- GGTTGCATGAGACTGAAGGA -3'

Sequencing Primer
(F):5'- GGTTAAATACCTTGAGGACCCCATTC -3'
(R):5'- GCCTCAGAATCATTATTGCTGGGAC -3'
Posted On 2018-03-15