Incidental Mutation 'R6545:Itgam'
ID 521106
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 044671-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R6545 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 127661812-127717663 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 127707044 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 625 (M625K)
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 possibly damaging
Transcript: ENSMUST00000064821
AA Change: M625K

PolyPhen 2 Score 0.936 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000068468
Gene: ENSMUSG00000030786
AA Change: M625K

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: M624K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000095625
Gene: ENSMUSG00000108596
AA Change: M624K

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: M507K

PolyPhen 2 Score 0.063 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000101847
Gene: ENSMUSG00000030786
AA Change: M507K

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 possibly damaging
Transcript: ENSMUST00000106242
AA Change: M624K

PolyPhen 2 Score 0.936 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000101849
Gene: ENSMUSG00000030786
AA Change: M624K

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: M625K

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000113957
Gene: ENSMUSG00000030786
AA Change: M625K

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: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.6%
Validation Efficiency 95% (42/44)
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: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ago1 C T 4: 126,348,145 (GRCm39) A58T possibly damaging Het
Ago4 T A 4: 126,405,811 (GRCm39) Q366L probably benign Het
Card10 C A 15: 78,661,010 (GRCm39) G950V probably damaging Het
Ceacam1 A T 7: 25,173,279 (GRCm39) V303D probably damaging Het
Cfap54 C T 10: 92,672,319 (GRCm39) R2917H probably benign Het
Cit A G 5: 115,984,493 (GRCm39) S22G probably null Het
Cog4 A G 8: 111,607,577 (GRCm39) E666G probably damaging Het
Crocc2 A G 1: 93,140,659 (GRCm39) D1103G probably benign Het
Cttnbp2 A T 6: 18,405,278 (GRCm39) probably null Het
Dctn3 T C 4: 41,723,084 (GRCm39) E16G probably damaging Het
Dnah6 A G 6: 73,021,715 (GRCm39) S3536P probably damaging Het
Eef2 T A 10: 81,016,948 (GRCm39) I675N probably damaging Het
Gga3 A G 11: 115,477,995 (GRCm39) F531S possibly damaging Het
Gm19410 A G 8: 36,257,652 (GRCm39) R697G possibly damaging Het
Gm3173 T A 14: 15,728,395 (GRCm39) M18K possibly damaging Het
Gm5800 A T 14: 51,949,419 (GRCm39) S175R possibly damaging Het
Gria2 T C 3: 80,648,451 (GRCm39) K95R probably damaging Het
Gstm6 A G 3: 107,849,681 (GRCm39) I76T probably damaging Het
Harbi1 T G 2: 91,542,640 (GRCm39) Y34D probably damaging Het
Hectd2 C A 19: 36,564,778 (GRCm39) Q20K probably benign Het
Inpp5f C A 7: 128,296,280 (GRCm39) A250D possibly damaging Het
Irf9 T C 14: 55,842,684 (GRCm39) F59L probably damaging Het
Kcnh5 C T 12: 75,054,432 (GRCm39) R504Q probably damaging Het
Lama2 T C 10: 27,052,793 (GRCm39) T1389A probably benign Het
Lin54 T A 5: 100,632,996 (GRCm39) probably null Het
Mettl23 A G 11: 116,740,042 (GRCm39) D171G possibly damaging Het
Mgll A G 6: 88,802,685 (GRCm39) N296S probably benign Het
Mpv17 T A 5: 31,302,041 (GRCm39) probably benign Het
Myof A T 19: 37,930,745 (GRCm39) M1001K possibly damaging Het
Myom1 A T 17: 71,389,300 (GRCm39) Q850L probably benign Het
Or10ab5 A T 7: 108,245,662 (GRCm39) N40K probably damaging Het
Pias2 A G 18: 77,217,781 (GRCm39) I328V possibly damaging Het
Polh G A 17: 46,493,685 (GRCm39) P311S possibly damaging Het
Prss34 A T 17: 25,517,809 (GRCm39) R61S probably benign Het
Rassf2 A T 2: 131,840,237 (GRCm39) M280K probably damaging Het
Rpsa A G 9: 119,959,323 (GRCm39) H47R probably benign Het
Rtp3 A G 9: 110,815,894 (GRCm39) V219A possibly damaging Het
Smarcc2 T C 10: 128,319,997 (GRCm39) I790T probably benign Het
Stag3 A G 5: 138,296,614 (GRCm39) T491A possibly damaging Het
Svil C T 18: 5,108,621 (GRCm39) H2007Y probably benign Het
Togaram1 T G 12: 65,024,981 (GRCm39) C750G possibly damaging Het
Vmn2r13 A T 5: 109,304,806 (GRCm39) probably null Het
Vmn2r4 A T 3: 64,313,777 (GRCm39) D401E possibly damaging Het
Wdr97 C T 15: 76,247,578 (GRCm39) R1585C probably damaging Het
Wsb1 A T 11: 79,141,881 (GRCm39) D45E probably damaging Het
Zfp808 T A 13: 62,319,709 (GRCm39) Y313N 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
R6282:Itgam UTSW 7 127,684,114 (GRCm39) missense probably benign 0.01
Predicted Primers PCR Primer
(F):5'- GATCTCACAATGGATGGCTTGATG -3'
(R):5'- CTAGCGCCAGTCAGAACTTC -3'

Sequencing Primer
(F):5'- CAATGGATGGCTTGATGGACCTG -3'
(R):5'- GACTGAGACAAGACACTGTCCTG -3'
Posted On 2018-06-06