Incidental Mutation 'R1655:Itgam'
ID 189030
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 039691-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.137) question?
Stock # R1655 (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 127714335 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 947 (M947K)
Ref Sequence ENSEMBL: ENSMUSP00000095625 (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: M948K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000068468
Gene: ENSMUSG00000030786
AA Change: M948K

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: M947K

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000095625
Gene: ENSMUSG00000108596
AA Change: M947K

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: M830K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000101847
Gene: ENSMUSG00000030786
AA Change: M830K

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: M947K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000101849
Gene: ENSMUSG00000030786
AA Change: M947K

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: M948K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113957
Gene: ENSMUSG00000030786
AA Change: M948K

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 probably benign
Transcript: ENSMUST00000134694
SMART Domains Protein: ENSMUSP00000117120
Gene: ENSMUSG00000108596

DomainStartEndE-ValueType
Pfam:Ribosomal_L29 39 82 1.1e-9 PFAM
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.0%
  • 20x: 91.3%
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A730061H03Rik A T 14: 55,797,790 (GRCm39) probably benign Het
Abca1 C T 4: 53,050,964 (GRCm39) A1582T probably benign Het
Acot8 A T 2: 164,645,028 (GRCm39) S52T probably benign Het
Atcay C T 10: 81,049,231 (GRCm39) V124M probably damaging Het
Cep295 C T 9: 15,252,179 (GRCm39) E397K probably damaging Het
Cfap46 A T 7: 139,222,436 (GRCm39) Y1180* probably null Het
Clptm1 T A 7: 19,379,792 (GRCm39) H148L probably benign Het
Clstn3 A G 6: 124,414,386 (GRCm39) L743P probably damaging Het
Crtc3 A T 7: 80,248,524 (GRCm39) M313K possibly damaging Het
Csgalnact1 T A 8: 68,826,341 (GRCm39) I326F possibly damaging Het
Dennd6b G T 15: 89,080,543 (GRCm39) T19K unknown Het
Disp1 A T 1: 182,868,568 (GRCm39) I1284N probably benign Het
Dnah2 A G 11: 69,364,680 (GRCm39) Y1992H probably damaging Het
Dnah6 C T 6: 73,182,715 (GRCm39) V205I possibly damaging Het
Dst G T 1: 34,321,657 (GRCm39) G4391* probably null Het
Dytn A G 1: 63,700,357 (GRCm39) S258P probably damaging Het
Emilin3 T A 2: 160,752,786 (GRCm39) probably null Het
Ermn C T 2: 57,942,596 (GRCm39) V45I probably benign Het
Fat4 T C 3: 39,011,467 (GRCm39) V2189A probably damaging Het
Fcgbpl1 A T 7: 27,846,535 (GRCm39) N1076Y probably damaging Het
Filip1l T C 16: 57,392,214 (GRCm39) I934T probably damaging Het
Gbp9 T A 5: 105,229,558 (GRCm39) Q472L possibly damaging Het
Gimap5 G T 6: 48,730,110 (GRCm39) E227* probably null Het
Gsdmc C T 15: 63,651,892 (GRCm39) V240M probably benign Het
H2-Q4 G T 17: 35,601,881 (GRCm39) V248F probably damaging Het
Helz2 T C 2: 180,875,940 (GRCm39) E1518G probably damaging Het
Hmcn1 A G 1: 150,506,084 (GRCm39) V3814A probably benign Het
Hoatz A T 9: 50,994,921 (GRCm39) I136N probably damaging Het
Ifna7 A G 4: 88,734,897 (GRCm39) T145A probably benign Het
Itpr2 T G 6: 146,277,646 (GRCm39) N608H probably damaging Het
Klra2 T A 6: 131,197,174 (GRCm39) N242I probably damaging Het
Lonrf2 A T 1: 38,850,905 (GRCm39) L219Q probably damaging Het
Ly6c2 T C 15: 74,980,412 (GRCm39) I126V probably benign Het
Mr1 G A 1: 155,008,201 (GRCm39) T258M probably benign Het
Mrps35 T G 6: 146,961,726 (GRCm39) D200E possibly damaging Het
Nbeal2 A C 9: 110,461,940 (GRCm39) S1506A probably damaging Het
Ncoa7 T C 10: 30,574,241 (GRCm39) probably null Het
Nlrp4a A T 7: 26,149,076 (GRCm39) I228F possibly damaging Het
Or13p5 A G 4: 118,592,196 (GRCm39) S157G probably benign Het
Or5c1 A G 2: 37,221,951 (GRCm39) Y64C probably damaging Het
Or5p59 A T 7: 107,702,671 (GRCm39) I52F probably damaging Het
Or8k3 A G 2: 86,058,424 (GRCm39) V297A possibly damaging Het
Paxx T C 2: 25,350,328 (GRCm39) E93G probably damaging Het
Per2 C A 1: 91,376,490 (GRCm39) G128W probably damaging Het
Piezo1 A G 8: 123,223,561 (GRCm39) I796T probably benign Het
Pkhd1 A G 1: 20,654,353 (GRCm39) S235P probably damaging Het
Pole T A 5: 110,483,788 (GRCm39) F259Y probably damaging Het
Pus7 T A 5: 23,952,798 (GRCm39) K512* probably null Het
Ralyl A T 3: 14,172,296 (GRCm39) Y55F probably damaging Het
Rgs14 T A 13: 55,531,347 (GRCm39) M451K probably benign Het
Rhag T C 17: 41,142,487 (GRCm39) F231L probably damaging Het
Ric8a T C 7: 140,440,808 (GRCm39) C94R probably benign Het
Rictor T A 15: 6,801,693 (GRCm39) D460E probably benign Het
Rpn1 T C 6: 88,077,926 (GRCm39) V454A possibly damaging Het
Sacs A G 14: 61,429,231 (GRCm39) D427G probably benign Het
Scai A T 2: 38,970,129 (GRCm39) V545D possibly damaging Het
Serpinb3a A G 1: 106,973,942 (GRCm39) V323A probably damaging Het
Slc13a5 C A 11: 72,148,204 (GRCm39) C277F probably benign Het
Slc15a1 A T 14: 121,703,311 (GRCm39) Y557N probably benign Het
Slc34a2 T C 5: 53,226,761 (GRCm39) V628A probably benign Het
Slc8a2 G T 7: 15,875,060 (GRCm39) G436V probably damaging Het
Sphkap G A 1: 83,255,236 (GRCm39) R838* probably null Het
Supt5 T C 7: 28,029,449 (GRCm39) I103V probably benign Het
Tdrd1 T A 19: 56,831,648 (GRCm39) Y346* probably null Het
Tg T G 15: 66,700,417 (GRCm39) probably null Het
Top1 T A 2: 160,545,616 (GRCm39) probably null Het
Trmt12 T C 15: 58,745,076 (GRCm39) L158P probably damaging Het
Tssk4 A G 14: 55,889,152 (GRCm39) N226S probably damaging Het
Unc80 G T 1: 66,711,915 (GRCm39) V2746F possibly damaging Het
Usp34 T A 11: 23,325,051 (GRCm39) V999E probably benign Het
Virma T C 4: 11,494,786 (GRCm39) V29A probably damaging Het
Zfp40 A T 17: 23,396,240 (GRCm39) Y48N probably benign Het
Zfp609 A G 9: 65,610,836 (GRCm39) V709A possibly damaging 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
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
R6545:Itgam UTSW 7 127,707,044 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTGCCTGTGAAGTACGCCATCTAC -3'
(R):5'- AGAGCAAACTTGGCACTGCACC -3'

Sequencing Primer
(F):5'- TGGAGGAATGgtgtgtgtg -3'
(R):5'- ggcactgcacctgacac -3'
Posted On 2014-05-09