Incidental Mutation 'R1519:Mgam'
ID 167271
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R1519 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 40638617 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 450 (I450T)
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 benign
Transcript: ENSMUST00000071535
AA Change: I450T

PolyPhen 2 Score 0.451 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: I450T

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: ENSMUST00000201148
AA Change: I450T

PolyPhen 2 Score 0.451 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: I450T

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
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.4%
  • 20x: 92.9%
Validation Efficiency
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: 84 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700017N19Rik C G 10: 100,439,390 (GRCm39) P187R probably damaging Het
Abhd5 T C 9: 122,208,079 (GRCm39) probably null Het
Acadvl A G 11: 69,905,617 (GRCm39) probably null Het
Actn1 T C 12: 80,251,852 (GRCm39) E75G probably damaging Het
Adam4 A T 12: 81,467,651 (GRCm39) N323K possibly damaging Het
Anks6 G A 4: 47,027,152 (GRCm39) R689W probably damaging Het
Anxa2 T C 9: 69,392,523 (GRCm39) I124T probably damaging Het
Aph1c T C 9: 66,740,547 (GRCm39) T10A probably benign Het
Arhgap40 T A 2: 158,388,721 (GRCm39) W552R probably benign Het
Baz2b C T 2: 59,778,598 (GRCm39) R754H possibly damaging Het
Blmh A G 11: 76,857,607 (GRCm39) Y147C probably damaging Het
C1galt1 C T 6: 7,866,402 (GRCm39) L83F probably damaging Het
Ccdc168 A G 1: 44,096,130 (GRCm39) V1656A probably benign Het
Cdh23 A T 10: 60,215,122 (GRCm39) Y1403N possibly damaging Het
Cic A T 7: 24,993,235 (GRCm39) probably null Het
Coro1b T A 19: 4,200,583 (GRCm39) V200D possibly damaging Het
Csl T A 10: 99,593,817 (GRCm39) E416V probably damaging Het
Cyp3a25 A G 5: 145,938,257 (GRCm39) probably null Het
Dennd2d T A 3: 106,399,875 (GRCm39) F266Y probably damaging Het
Dnah10 A G 5: 124,838,016 (GRCm39) E1072G probably damaging Het
Dnah6 T A 6: 73,026,031 (GRCm39) K3435N probably damaging Het
Dnah9 G A 11: 65,772,587 (GRCm39) A3715V probably damaging Het
Fam186a G A 15: 99,845,536 (GRCm39) S236L unknown Het
Frs3 A G 17: 48,013,903 (GRCm39) T199A probably benign Het
Fsd1 A G 17: 56,300,870 (GRCm39) N243S probably benign Het
Gabra5 A C 7: 57,058,641 (GRCm39) L369R probably benign Het
Gask1b A G 3: 79,848,771 (GRCm39) N506D possibly damaging Het
Gins4 A G 8: 23,724,792 (GRCm39) V54A probably benign Het
Gli1 T C 10: 127,170,138 (GRCm39) E339G possibly damaging Het
Gm12185 A G 11: 48,798,594 (GRCm39) V633A probably damaging Het
Gpr83 T A 9: 14,779,493 (GRCm39) C182S probably null Het
Gspt1 A G 16: 11,038,719 (GRCm39) V627A probably damaging Het
Heatr1 T C 13: 12,427,040 (GRCm39) C722R probably benign Het
Jak1 C T 4: 101,020,119 (GRCm39) R680Q probably damaging Het
Kif2c A G 4: 117,027,137 (GRCm39) V287A probably damaging Het
Kmo C T 1: 175,479,184 (GRCm39) P240L possibly damaging Het
Kmo A G 1: 175,484,368 (GRCm39) E366G probably damaging Het
Lepr A T 4: 101,646,541 (GRCm39) N824I probably damaging Het
Lyrm7 T A 11: 54,739,425 (GRCm39) H75L possibly damaging Het
Map4k1 A T 7: 28,690,461 (GRCm39) Q351L probably benign Het
Matcap2 T G 9: 22,341,671 (GRCm39) L114R probably benign Het
Nbeal2 A G 9: 110,465,373 (GRCm39) L955P probably damaging Het
Nlrp9c T C 7: 26,077,526 (GRCm39) K752R possibly damaging Het
Nsmaf A T 4: 6,438,062 (GRCm39) I70K probably benign Het
Or14a257 A G 7: 86,138,333 (GRCm39) M142T probably damaging Het
Or5ac19 C T 16: 59,089,307 (GRCm39) C241Y probably damaging Het
Otud7a A G 7: 63,408,391 (GRCm39) Y898C probably damaging Het
Pcdhb18 A C 18: 37,623,945 (GRCm39) D425A probably damaging Het
Prdm1 A T 10: 44,315,982 (GRCm39) L733* probably null Het
Prdm2 A T 4: 142,862,153 (GRCm39) I379N probably damaging Het
Ptprg A T 14: 12,220,596 (GRCm38) Y436F probably damaging Het
Riok3 A G 18: 12,270,363 (GRCm39) D167G probably damaging Het
Rnf215 G T 11: 4,085,451 (GRCm39) R60L probably damaging Het
Scart1 G A 7: 139,808,069 (GRCm39) V747I probably benign Het
Sdk1 A T 5: 141,985,705 (GRCm39) H779L probably benign Het
Serpine2 A G 1: 79,772,748 (GRCm39) F390L probably damaging Het
Sh3d21 T A 4: 126,045,519 (GRCm39) K387* probably null Het
Slc13a2 T C 11: 78,288,572 (GRCm39) Y568C possibly damaging Het
Slc27a5 T C 7: 12,722,386 (GRCm39) probably null Het
Slc32a1 T C 2: 158,456,497 (GRCm39) L384P probably damaging Het
Sorcs1 T C 19: 50,241,025 (GRCm39) N454D probably benign Het
Spag8 T C 4: 43,652,777 (GRCm39) Y228C possibly damaging Het
Spata31e4 G A 13: 50,854,443 (GRCm39) probably null Het
Spc25 T C 2: 69,030,431 (GRCm39) I71V probably damaging Het
Tcte1 T A 17: 45,846,178 (GRCm39) F261I probably damaging Het
Thsd7a T A 6: 12,471,174 (GRCm39) K481N probably benign Het
Tll2 G T 19: 41,074,839 (GRCm39) N908K probably benign Het
Tmem236 T C 2: 14,197,091 (GRCm39) V93A probably benign Het
Top2b G A 14: 16,408,953 (GRCm38) probably null Het
Topaz1 G A 9: 122,596,076 (GRCm39) S949N probably benign Het
Triobp A G 15: 78,857,938 (GRCm39) T1180A probably benign Het
Trip11 A C 12: 101,852,419 (GRCm39) D548E probably benign Het
Trpv2 T A 11: 62,480,652 (GRCm39) probably null Het
Ulbp3 A G 10: 3,075,230 (GRCm39) noncoding transcript Het
Vmn1r12 T A 6: 57,136,540 (GRCm39) H212Q probably damaging Het
Vmn2r112 A G 17: 22,837,884 (GRCm39) T782A possibly damaging Het
Vmn2r7 A G 3: 64,623,876 (GRCm39) V239A possibly damaging Het
Vmn2r80 T A 10: 79,030,053 (GRCm39) N626K probably damaging Het
Vmn2r99 A G 17: 19,600,322 (GRCm39) S449G probably benign Het
Wfikkn2 T C 11: 94,128,933 (GRCm39) T403A probably benign Het
Xirp2 A G 2: 67,346,023 (GRCm39) I2755V probably benign Het
Yjefn3 A G 8: 70,341,729 (GRCm39) V153A probably benign Het
Zfp677 C A 17: 21,617,499 (GRCm39) H185Q possibly damaging Het
Zfp947 C T 17: 22,365,273 (GRCm39) V134I 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
R0116:Mgam UTSW 6 40,635,921 (GRCm39) missense probably damaging 1.00
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
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'- ATTCCAGCACAGCAGTTGGCTC -3'
(R):5'- CACCATTTAATGGGATCTGGCCGAG -3'

Sequencing Primer
(F):5'- CCCAGAGTTTGTTAAGGAGCTAC -3'
(R):5'- GCTAGGGTAGATAGTAGACACTTG -3'
Posted On 2014-04-13