Incidental Mutation 'R0116:Mgam'
ID 20791
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
MMRRC Submission 038402-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R0116 (G1)
Quality Score 225
Status Validated (trace)
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 40635921 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Asparagine at position 359 (Y359N)
Ref Sequence ENSEMBL: ENSMUSP00000143946 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071535] [ENSMUST00000201148] [ENSMUST00000202636]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000071535
AA Change: Y359N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: Y359N

DomainStartEndE-ValueType
transmembrane domain 12 34 N/A INTRINSIC
low complexity region 47 59 N/A INTRINSIC
PD 63 111 1.81e-8 SMART
Pfam:NtCtMGAM_N 124 233 6.2e-36 PFAM
Pfam:Glyco_hydro_31 323 795 3.4e-145 PFAM
PD 924 977 4.52e-9 SMART
Pfam:NtCtMGAM_N 988 1101 1.5e-30 PFAM
Blast:ANK 1141 1171 1e-7 BLAST
Pfam:Glyco_hydro_31 1189 1691 2e-139 PFAM
low complexity region 1776 1791 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000201148
AA Change: Y359N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: Y359N

DomainStartEndE-ValueType
transmembrane domain 12 34 N/A INTRINSIC
low complexity region 47 59 N/A INTRINSIC
PD 63 111 1.81e-8 SMART
Pfam:NtCtMGAM_N 124 233 6.2e-36 PFAM
Pfam:Glyco_hydro_31 323 795 3.4e-145 PFAM
PD 924 977 4.52e-9 SMART
Pfam:NtCtMGAM_N 988 1101 1.5e-30 PFAM
Blast:ANK 1141 1171 1e-7 BLAST
Pfam:Glyco_hydro_31 1189 1691 2e-139 PFAM
low complexity region 1776 1791 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000202636
SMART Domains Protein: ENSMUSP00000144652
Gene: ENSMUSG00000068587

DomainStartEndE-ValueType
low complexity region 10 22 N/A INTRINSIC
Pfam:Trefoil 28 70 3.6e-12 PFAM
Pfam:NtCtMGAM_N 87 196 1.4e-36 PFAM
Meta Mutation Damage Score 0.5432 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 94.2%
Validation Efficiency 94% (95/101)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes maltase-glucoamylase, which is a brush border membrane enzyme that plays a role in the final steps of digestion of starch. The protein has two catalytic sites identical to those of sucrase-isomaltase, but the proteins are only 59% homologous. Both are members of glycosyl hydrolase family 31, which has a variety of substrate specificities. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null allele display abnormalities in starch digestion and prandial glucose homeostasis. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 95 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4931406C07Rik A T 9: 15,202,066 (GRCm39) V152E probably damaging Het
Abca5 T G 11: 110,167,331 (GRCm39) E1495A probably damaging Het
Abcc12 G A 8: 87,261,627 (GRCm39) S668F probably benign Het
Adgrl4 A T 3: 151,223,247 (GRCm39) T608S probably benign Het
Angel2 G A 1: 190,673,187 (GRCm39) D255N probably benign Het
Apob T A 12: 8,039,113 (GRCm39) probably benign Het
Arfgef2 A T 2: 166,715,603 (GRCm39) R1349S probably damaging Het
Atp2b2 C T 6: 113,770,656 (GRCm39) V418I probably damaging Het
Birc6 C A 17: 74,930,741 (GRCm39) probably benign Het
Capn13 T A 17: 73,658,519 (GRCm39) Y183F probably damaging Het
Cngb1 A G 8: 95,987,266 (GRCm39) S352P probably damaging Het
Col6a3 A G 1: 90,741,273 (GRCm39) S720P probably damaging Het
Cpa4 C T 6: 30,579,657 (GRCm39) R155W probably damaging Het
Dapk1 A G 13: 60,908,914 (GRCm39) I1176V probably benign Het
Dnah17 T C 11: 117,949,132 (GRCm39) E2959G probably benign Het
Dnah7b T A 1: 46,252,520 (GRCm39) I1734N possibly damaging Het
Dnajb7 A G 15: 81,291,555 (GRCm39) Y261H probably benign Het
Dock2 T C 11: 34,579,392 (GRCm39) probably benign Het
Dyrk3 A T 1: 131,057,576 (GRCm39) V199E probably damaging Het
F2r G T 13: 95,740,994 (GRCm39) C180* probably null Het
F5 A G 1: 164,012,483 (GRCm39) S466G probably benign Het
Fbn2 A T 18: 58,235,445 (GRCm39) C677* probably null Het
Fbxo41 A G 6: 85,454,890 (GRCm39) S673P probably damaging Het
Fhad1 G T 4: 141,667,406 (GRCm39) H639N probably benign Het
Fmnl3 G C 15: 99,220,619 (GRCm39) probably benign Het
Foxa2 A G 2: 147,885,481 (GRCm39) S270P probably damaging Het
Fxyd7 C T 7: 30,746,793 (GRCm39) probably null Het
Gm5225 A G 17: 24,243,032 (GRCm39) D67G probably benign Het
Grik3 G A 4: 125,564,349 (GRCm39) E444K probably benign Het
Gsdma2 A G 11: 98,540,009 (GRCm39) K44E probably damaging Het
Haus1 T A 18: 77,849,770 (GRCm39) K130* probably null Het
Heg1 A G 16: 33,556,028 (GRCm39) probably benign Het
Hormad2 A G 11: 4,362,206 (GRCm39) probably benign Het
Hsd17b3 G A 13: 64,206,403 (GRCm39) R300C possibly damaging Het
Irf5 T C 6: 29,536,108 (GRCm39) F374S probably damaging Het
Itch A G 2: 155,059,903 (GRCm39) probably benign Het
Jade2 A T 11: 51,722,136 (GRCm39) L139Q probably damaging Het
Kif5c G A 2: 49,642,251 (GRCm39) probably benign Het
Lama1 T C 17: 68,083,918 (GRCm39) Y1387H probably benign Het
Larp4b A G 13: 9,220,724 (GRCm39) R658G probably damaging Het
Mcph1 C T 8: 18,838,264 (GRCm39) L729F probably benign Het
Me1 A T 9: 86,536,720 (GRCm39) N118K probably benign Het
Med13 A G 11: 86,210,723 (GRCm39) L473S probably damaging Het
Morc2b A G 17: 33,356,015 (GRCm39) S586P probably damaging Het
Mthfr A G 4: 148,135,980 (GRCm39) D310G probably benign Het
Mtmr7 A T 8: 41,034,447 (GRCm39) probably benign Het
Mtus1 A G 8: 41,451,514 (GRCm39) probably benign Het
Mus81 G T 19: 5,536,552 (GRCm39) A138D probably damaging Het
Myom2 A T 8: 15,167,633 (GRCm39) I1073F probably damaging Het
Nhsl1 A T 10: 18,400,990 (GRCm39) K739* probably null Het
Nlrp4d T A 7: 10,108,818 (GRCm39) K762N probably benign Het
Nrap T C 19: 56,343,978 (GRCm39) Y724C probably damaging Het
Ogn A T 13: 49,774,514 (GRCm39) Y219F possibly damaging Het
Or6c212 T A 10: 129,558,846 (GRCm39) D189V probably damaging Het
Or8b56 T C 9: 38,739,860 (GRCm39) L291P probably damaging Het
Or8g30 A T 9: 39,230,160 (GRCm39) I250N probably damaging Het
Padi2 T C 4: 140,653,550 (GRCm39) V180A probably benign Het
Papss2 C T 19: 32,615,768 (GRCm39) R167* probably null Het
Pcbp2 T C 15: 102,382,670 (GRCm39) probably benign Het
Per1 T A 11: 68,992,706 (GRCm39) probably benign Het
Pik3ca T C 3: 32,514,094 (GRCm39) I860T probably damaging Het
Pkdrej G A 15: 85,701,746 (GRCm39) Q1397* probably null Het
Plce1 T C 19: 38,710,265 (GRCm39) V1133A probably benign Het
Pnma8a T G 7: 16,694,625 (GRCm39) V160G probably damaging Het
Prss12 T C 3: 123,276,423 (GRCm39) C351R probably damaging Het
Qprt A T 7: 126,708,269 (GRCm39) L54Q probably damaging Het
Raf1 C T 6: 115,603,344 (GRCm39) S165N probably damaging Het
Rere A G 4: 150,701,433 (GRCm39) N1271S probably benign Het
Rnasel T A 1: 153,630,258 (GRCm39) L258H probably damaging Het
Ryr2 T C 13: 11,724,807 (GRCm39) D2502G probably damaging Het
Ryr3 G A 2: 112,633,510 (GRCm39) S2081L probably damaging Het
Sc5d G T 9: 42,171,155 (GRCm39) Y11* probably null Het
Slc25a29 A C 12: 108,793,017 (GRCm39) L187R possibly damaging Het
Slc2a7 G A 4: 150,252,721 (GRCm39) V454M probably benign Het
Slco1b2 A T 6: 141,615,114 (GRCm39) T340S probably benign Het
Smarcc1 A G 9: 109,976,172 (GRCm39) N153S possibly damaging Het
Snx1 C A 9: 65,995,821 (GRCm39) E516* probably null Het
Sptlc2 T C 12: 87,403,454 (GRCm39) D115G probably benign Het
Stard9 A G 2: 120,464,736 (GRCm39) N67S probably damaging Het
Styxl2 A C 1: 165,927,270 (GRCm39) S781A probably benign Het
Swap70 G A 7: 109,872,489 (GRCm39) R368H probably benign Het
Tcaf3 T C 6: 42,568,284 (GRCm39) K691E probably benign Het
Tmco4 T C 4: 138,781,231 (GRCm39) F465S probably damaging Het
Tmem245 A G 4: 56,926,213 (GRCm39) S290P probably benign Het
Top2a T C 11: 98,894,416 (GRCm39) T972A probably benign Het
Tpr T A 1: 150,285,898 (GRCm39) S527R probably damaging Het
Traf2 T C 2: 25,409,621 (GRCm39) D443G probably damaging Het
Trim40 A T 17: 37,194,039 (GRCm39) probably null Het
Trim42 A T 9: 97,245,456 (GRCm39) I448N possibly damaging Het
Ttll9 G A 2: 152,825,054 (GRCm39) V78M probably damaging Het
Vav1 C T 17: 57,603,039 (GRCm39) L88F probably damaging Het
Vps13b A G 15: 35,423,301 (GRCm39) D207G probably damaging Het
Wdsub1 A G 2: 59,707,009 (GRCm39) probably null Het
Zfp799 A G 17: 33,040,009 (GRCm39) W85R possibly damaging Het
Zfp839 A T 12: 110,825,203 (GRCm39) probably benign Het
Other mutations in Mgam
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01024:Mgam APN 6 40,619,944 (GRCm39) missense probably benign
IGL01065:Mgam APN 6 40,639,644 (GRCm39) critical splice donor site probably null
IGL01402:Mgam APN 6 40,621,879 (GRCm39) missense probably benign 0.01
IGL01404:Mgam APN 6 40,621,879 (GRCm39) missense probably benign 0.01
IGL01413:Mgam APN 6 40,638,211 (GRCm39) missense probably damaging 1.00
IGL01546:Mgam APN 6 40,631,627 (GRCm39) missense probably damaging 0.98
IGL01596:Mgam APN 6 40,635,204 (GRCm39) missense probably damaging 1.00
IGL02133:Mgam APN 6 40,620,010 (GRCm39) missense probably damaging 0.98
IGL02734:Mgam APN 6 40,639,628 (GRCm39) missense probably damaging 1.00
BB002:Mgam UTSW 6 40,735,985 (GRCm39) missense probably damaging 0.99
BB012:Mgam UTSW 6 40,735,985 (GRCm39) missense probably damaging 0.99
R0012:Mgam UTSW 6 40,742,190 (GRCm39) splice site probably null
R0310:Mgam UTSW 6 40,737,969 (GRCm39) splice site probably benign
R0452:Mgam UTSW 6 40,736,024 (GRCm39) missense probably damaging 1.00
R0497:Mgam UTSW 6 40,641,826 (GRCm39) missense probably damaging 1.00
R0699:Mgam UTSW 6 40,619,953 (GRCm39) missense possibly damaging 0.84
R0738:Mgam UTSW 6 40,731,869 (GRCm39) missense probably benign 0.01
R1033:Mgam UTSW 6 40,657,558 (GRCm39) missense probably benign 0.07
R1403:Mgam UTSW 6 40,643,815 (GRCm39) missense possibly damaging 0.93
R1403:Mgam UTSW 6 40,643,815 (GRCm39) missense possibly damaging 0.93
R1430:Mgam UTSW 6 40,733,305 (GRCm39) missense probably benign 0.08
R1432:Mgam UTSW 6 40,733,301 (GRCm39) missense probably damaging 1.00
R1443:Mgam UTSW 6 40,736,714 (GRCm39) nonsense probably null
R1470:Mgam UTSW 6 40,736,062 (GRCm39) missense probably damaging 1.00
R1470:Mgam UTSW 6 40,736,062 (GRCm39) missense probably damaging 1.00
R1519:Mgam UTSW 6 40,638,617 (GRCm39) missense probably benign 0.45
R1654:Mgam UTSW 6 40,734,421 (GRCm39) missense probably damaging 1.00
R1667:Mgam UTSW 6 40,653,978 (GRCm39) missense possibly damaging 0.62
R1730:Mgam UTSW 6 40,641,794 (GRCm39) missense possibly damaging 0.92
R1781:Mgam UTSW 6 40,646,797 (GRCm39) missense probably damaging 1.00
R1783:Mgam UTSW 6 40,641,794 (GRCm39) missense possibly damaging 0.92
R1829:Mgam UTSW 6 40,643,826 (GRCm39) missense probably damaging 1.00
R1833:Mgam UTSW 6 40,631,652 (GRCm39) critical splice donor site probably null
R1872:Mgam UTSW 6 40,638,234 (GRCm39) nonsense probably null
R1912:Mgam UTSW 6 40,741,119 (GRCm39) nonsense probably null
R1977:Mgam UTSW 6 40,641,814 (GRCm39) missense probably benign 0.01
R2048:Mgam UTSW 6 40,633,363 (GRCm39) missense possibly damaging 0.80
R2086:Mgam UTSW 6 40,737,962 (GRCm39) splice site probably null
R2138:Mgam UTSW 6 40,733,384 (GRCm39) missense probably damaging 1.00
R2224:Mgam UTSW 6 40,741,208 (GRCm39) splice site probably null
R2408:Mgam UTSW 6 40,663,456 (GRCm39) missense probably damaging 1.00
R2508:Mgam UTSW 6 40,736,717 (GRCm39) missense probably damaging 1.00
R2842:Mgam UTSW 6 40,638,279 (GRCm39) missense probably benign 0.01
R2847:Mgam UTSW 6 40,629,649 (GRCm39) missense possibly damaging 0.67
R2848:Mgam UTSW 6 40,629,649 (GRCm39) missense possibly damaging 0.67
R2965:Mgam UTSW 6 40,745,154 (GRCm39) missense possibly damaging 0.46
R2966:Mgam UTSW 6 40,745,154 (GRCm39) missense possibly damaging 0.46
R3035:Mgam UTSW 6 40,640,464 (GRCm39) missense probably benign
R3895:Mgam UTSW 6 40,736,054 (GRCm39) missense probably damaging 1.00
R4027:Mgam UTSW 6 40,731,836 (GRCm39) missense probably damaging 1.00
R4030:Mgam UTSW 6 40,731,836 (GRCm39) missense probably damaging 1.00
R4302:Mgam UTSW 6 40,740,019 (GRCm39) missense probably benign 0.02
R4707:Mgam UTSW 6 40,691,566 (GRCm39) splice site probably null
R4826:Mgam UTSW 6 40,657,582 (GRCm39) missense possibly damaging 0.52
R4898:Mgam UTSW 6 40,619,988 (GRCm39) missense probably benign
R5438:Mgam UTSW 6 40,661,455 (GRCm39) missense probably damaging 1.00
R5492:Mgam UTSW 6 40,733,297 (GRCm39) missense probably damaging 1.00
R5770:Mgam UTSW 6 40,646,738 (GRCm39) missense probably benign 0.01
R5839:Mgam UTSW 6 40,716,998 (GRCm39) missense possibly damaging 0.90
R5845:Mgam UTSW 6 40,652,257 (GRCm39) missense possibly damaging 0.78
R5847:Mgam UTSW 6 40,660,989 (GRCm39) missense probably benign 0.42
R5891:Mgam UTSW 6 40,721,282 (GRCm39) missense probably benign
R6158:Mgam UTSW 6 40,734,648 (GRCm39) missense probably damaging 1.00
R6193:Mgam UTSW 6 40,724,854 (GRCm39) nonsense probably null
R6423:Mgam UTSW 6 40,653,979 (GRCm39) missense possibly damaging 0.84
R6706:Mgam UTSW 6 40,721,720 (GRCm39) missense probably benign 0.00
R6813:Mgam UTSW 6 40,727,099 (GRCm39) missense probably damaging 0.99
R6863:Mgam UTSW 6 40,705,943 (GRCm39) missense probably benign 0.00
R6906:Mgam UTSW 6 40,724,853 (GRCm39) missense probably damaging 1.00
R7091:Mgam UTSW 6 40,745,210 (GRCm39) missense possibly damaging 0.95
R7099:Mgam UTSW 6 40,638,650 (GRCm39) missense probably benign 0.09
R7282:Mgam UTSW 6 40,740,045 (GRCm39) missense probably benign
R7282:Mgam UTSW 6 40,633,446 (GRCm39) missense possibly damaging 0.71
R7354:Mgam UTSW 6 40,721,732 (GRCm39) missense probably damaging 1.00
R7374:Mgam UTSW 6 40,734,373 (GRCm39) missense possibly damaging 0.89
R7399:Mgam UTSW 6 40,643,788 (GRCm39) missense probably damaging 0.99
R7406:Mgam UTSW 6 40,640,459 (GRCm39) missense probably benign 0.13
R7446:Mgam UTSW 6 40,723,266 (GRCm39) missense probably damaging 1.00
R7466:Mgam UTSW 6 40,721,723 (GRCm39) missense probably benign 0.00
R7525:Mgam UTSW 6 40,742,954 (GRCm39) missense probably benign 0.01
R7530:Mgam UTSW 6 40,686,152 (GRCm39) splice site probably null
R7570:Mgam UTSW 6 40,723,367 (GRCm39) missense probably benign 0.16
R7669:Mgam UTSW 6 40,635,944 (GRCm39) missense probably benign 0.00
R7679:Mgam UTSW 6 40,619,980 (GRCm39) missense probably damaging 0.98
R7746:Mgam UTSW 6 40,645,127 (GRCm39) missense probably damaging 0.99
R7859:Mgam UTSW 6 40,717,113 (GRCm39) missense possibly damaging 0.75
R7925:Mgam UTSW 6 40,735,985 (GRCm39) missense probably damaging 0.99
R8206:Mgam UTSW 6 40,657,169 (GRCm39) missense probably benign 0.00
R8244:Mgam UTSW 6 40,727,520 (GRCm39) missense probably damaging 1.00
R8309:Mgam UTSW 6 40,722,111 (GRCm39) missense possibly damaging 0.88
R8472:Mgam UTSW 6 40,671,460 (GRCm39) splice site probably null
R8758:Mgam UTSW 6 40,705,977 (GRCm39) missense probably benign 0.41
R8777:Mgam UTSW 6 40,632,185 (GRCm39) missense probably damaging 0.97
R8777-TAIL:Mgam UTSW 6 40,632,185 (GRCm39) missense probably damaging 0.97
R8783:Mgam UTSW 6 40,633,423 (GRCm39) missense probably damaging 0.99
R8939:Mgam UTSW 6 40,740,137 (GRCm39) critical splice donor site probably null
R8968:Mgam UTSW 6 40,734,745 (GRCm39) critical splice acceptor site probably null
R8987:Mgam UTSW 6 40,706,570 (GRCm39) missense probably damaging 1.00
R9055:Mgam UTSW 6 40,691,663 (GRCm39) intron probably benign
R9171:Mgam UTSW 6 40,745,146 (GRCm39) missense possibly damaging 0.76
R9252:Mgam UTSW 6 40,706,577 (GRCm39) missense probably damaging 0.99
R9258:Mgam UTSW 6 40,657,121 (GRCm39) missense probably benign
R9262:Mgam UTSW 6 40,723,422 (GRCm39) critical splice donor site probably null
R9287:Mgam UTSW 6 40,705,905 (GRCm39) intron probably benign
R9521:Mgam UTSW 6 40,722,118 (GRCm39) missense probably damaging 1.00
R9589:Mgam UTSW 6 40,727,519 (GRCm39) missense probably damaging 1.00
R9658:Mgam UTSW 6 40,721,311 (GRCm39) missense possibly damaging 0.93
R9784:Mgam UTSW 6 40,736,024 (GRCm39) missense probably damaging 1.00
RF011:Mgam UTSW 6 40,734,370 (GRCm39) missense probably damaging 1.00
RF020:Mgam UTSW 6 40,662,243 (GRCm39) missense probably damaging 1.00
RF023:Mgam UTSW 6 40,657,642 (GRCm39) missense probably benign
X0021:Mgam UTSW 6 40,635,981 (GRCm39) missense probably damaging 1.00
Z1088:Mgam UTSW 6 40,619,994 (GRCm39) missense probably benign 0.01
Z1176:Mgam UTSW 6 40,706,000 (GRCm39) missense probably damaging 1.00
Z1176:Mgam UTSW 6 40,654,578 (GRCm39) critical splice donor site probably null
Z1177:Mgam UTSW 6 40,717,005 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AAAGATACCCCGAATGTAGCCATACTCT -3'
(R):5'- AGCACCATTTCCCACTGAAAGAAACT -3'

Sequencing Primer
(F):5'- tcagtgattccaagttcaatgtaag -3'
(R):5'- CCCTCCTTGGATTTCAGGAAACT -3'
Posted On 2013-04-11