Incidental Mutation 'R1781:Mgam'
ID 195273
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
MMRRC Submission 039812-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R1781 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 40646797 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glycine to Arginine at position 708 (G708R)
Ref Sequence ENSEMBL: ENSMUSP00000143946 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071535] [ENSMUST00000201148] [ENSMUST00000202966]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000071535
AA Change: G708R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: G708R

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: G708R

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: G708R

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: ENSMUST00000202966
SMART Domains Protein: ENSMUSP00000144680
Gene: ENSMUSG00000068587

DomainStartEndE-ValueType
internal_repeat_1 2 88 2.6e-19 PROSPERO
PD 178 231 1.4e-14 SMART
Pfam:NtCtMGAM_N 242 355 1.1e-26 PFAM
Blast:ANK 395 425 6e-8 BLAST
Pfam:Glyco_hydro_31 443 945 1.3e-137 PFAM
Meta Mutation Damage Score 0.9220 question?
Coding Region Coverage
  • 1x: 97.3%
  • 3x: 96.7%
  • 10x: 94.6%
  • 20x: 90.1%
Validation Efficiency 97% (88/91)
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: 90 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2 A G 3: 59,932,117 (GRCm39) K211E probably damaging Het
Abca13 T A 11: 9,219,194 (GRCm39) L376Q probably damaging Het
Abca17 T C 17: 24,486,531 (GRCm39) T1499A possibly damaging Het
Anks6 A C 4: 47,043,639 (GRCm39) N363K possibly damaging Het
Apob T A 12: 8,059,603 (GRCm39) I2695N possibly damaging Het
Arhgef18 C T 8: 3,430,495 (GRCm39) R123W probably damaging Het
Atg14 T A 14: 47,786,607 (GRCm39) probably null Het
Atg2a A T 19: 6,306,243 (GRCm39) I1368F probably damaging Het
Btbd9 A G 17: 30,732,567 (GRCm39) S373P probably damaging Het
Ccdc83 T C 7: 89,899,749 (GRCm39) E41G probably damaging Het
Ccnh T C 13: 85,354,254 (GRCm39) S233P possibly damaging Het
Cdh8 T C 8: 99,917,094 (GRCm39) probably null Het
Cdh8 A T 8: 100,006,290 (GRCm39) I99N probably damaging Het
Cdr2 G A 7: 120,557,268 (GRCm39) P419L probably benign Het
Cds1 T A 5: 101,960,416 (GRCm39) I289K possibly damaging Het
Cherp G A 8: 73,221,615 (GRCm39) T394I probably damaging Het
Cyp4f17 T G 17: 32,742,993 (GRCm39) I222S possibly damaging Het
Dcc A G 18: 71,511,788 (GRCm39) S856P probably benign Het
Dcp1a C T 14: 30,235,032 (GRCm39) T221I probably benign Het
Ddx10 A G 9: 53,118,845 (GRCm39) S475P probably damaging Het
Dennd5b G T 6: 148,928,896 (GRCm39) A759E probably damaging Het
Disp2 G A 2: 118,623,042 (GRCm39) G1258D probably damaging Het
Fhdc1 A T 3: 84,356,111 (GRCm39) D444E probably damaging Het
Fhod1 T C 8: 106,074,421 (GRCm39) probably benign Het
Gcnt7 T C 2: 172,296,800 (GRCm39) K8R probably benign Het
Gk5 C T 9: 96,015,508 (GRCm39) T108I possibly damaging Het
Gm8214 C A 1: 183,414,129 (GRCm39) noncoding transcript Het
Gnl1 A T 17: 36,298,638 (GRCm39) I434F probably damaging Het
Golga2 T C 2: 32,196,588 (GRCm39) Y986H probably damaging Het
Gpr21 T C 2: 37,407,550 (GRCm39) V32A probably benign Het
Grb14 A T 2: 64,805,899 (GRCm39) probably null Het
H6pd A T 4: 150,080,388 (GRCm39) F144L probably damaging Het
Hunk A G 16: 90,229,448 (GRCm39) Y27C probably damaging Het
Ints7 C T 1: 191,328,396 (GRCm39) T223M possibly damaging Het
Kcnmb2 T C 3: 32,233,152 (GRCm39) probably null Het
Lilra6 A T 7: 3,918,066 (GRCm39) L26H probably benign Het
Mc4r A T 18: 66,992,918 (GRCm39) V65E probably damaging Het
Mllt6 A G 11: 97,563,395 (GRCm39) D326G probably benign Het
Myo7a A T 7: 97,722,331 (GRCm39) V1198D probably damaging Het
Nampt T C 12: 32,883,037 (GRCm39) V74A probably damaging Het
Nlrp4b G C 7: 10,449,266 (GRCm39) V123L probably benign Het
Ntpcr T A 8: 126,472,141 (GRCm39) L150Q probably damaging Het
Obscn C T 11: 58,997,163 (GRCm39) E1513K probably damaging Het
Ola1 T C 2: 72,987,099 (GRCm39) K178E possibly damaging Het
Opalin T C 19: 41,056,070 (GRCm39) probably null Het
Or10g6 A G 9: 39,934,541 (GRCm39) N284S probably damaging Het
Or13a20 A T 7: 140,232,419 (GRCm39) I176F probably damaging Het
Or2ad1 C T 13: 21,326,934 (GRCm39) V98I probably benign Het
Or2w2 C T 13: 21,757,711 (GRCm39) G305D probably damaging Het
Or3a10 A T 11: 73,935,786 (GRCm39) F105I probably damaging Het
Or51ah3 C T 7: 103,209,773 (GRCm39) P30S probably benign Het
Or52ae9 T C 7: 103,390,028 (GRCm39) M140V probably benign Het
Or52e15 A T 7: 104,645,315 (GRCm39) F265L possibly damaging Het
Or5p62 A G 7: 107,771,090 (GRCm39) V287A probably benign Het
Or7a35 T C 10: 78,853,159 (GRCm39) M1T probably null Het
P2ry12 A G 3: 59,125,199 (GRCm39) F159L probably benign Het
Paqr7 T C 4: 134,234,592 (GRCm39) probably null Het
Parp1 T C 1: 180,415,578 (GRCm39) S466P probably benign Het
Parp4 T A 14: 56,864,838 (GRCm39) probably null Het
Pcdh1 T C 18: 38,322,977 (GRCm39) D952G probably damaging Het
Pde6c T C 19: 38,140,146 (GRCm39) S336P possibly damaging Het
Pgk2 T C 17: 40,519,398 (GRCm39) D10G probably benign Het
Phf20l1 A G 15: 66,504,674 (GRCm39) T771A probably damaging Het
Pkdrej A G 15: 85,705,372 (GRCm39) V188A possibly damaging Het
Plekhm1 A G 11: 103,285,682 (GRCm39) L251P probably damaging Het
Prex2 A T 1: 11,270,179 (GRCm39) N1288I probably benign Het
Sarnp T C 10: 128,669,191 (GRCm39) L16P probably damaging Het
Scgb3a2 T C 18: 43,900,033 (GRCm39) probably benign Het
Scn11a A T 9: 119,584,148 (GRCm39) I1489N probably damaging Het
Scn3a A T 2: 65,302,729 (GRCm39) L1239Q probably damaging Het
Shisa9 T C 16: 12,085,521 (GRCm39) S377P probably benign Het
Slc22a30 T A 19: 8,313,136 (GRCm39) T550S probably damaging Het
Slc25a11 T C 11: 70,535,651 (GRCm39) T296A probably benign Het
Slc35f1 T A 10: 52,938,532 (GRCm39) probably null Het
Slc6a13 A G 6: 121,311,811 (GRCm39) E396G probably damaging Het
Spata31d1c T C 13: 65,183,985 (GRCm39) I509T probably benign Het
Srsf9 C A 5: 115,465,481 (GRCm39) Y9* probably null Het
Tasor2 T C 13: 3,634,759 (GRCm39) T683A possibly damaging Het
Tbx20 T C 9: 24,636,795 (GRCm39) I431V probably benign Het
Tespa1 G A 10: 130,184,119 (GRCm39) G67S probably benign Het
Trhde A T 10: 114,424,405 (GRCm39) V460E possibly damaging Het
Trip12 A T 1: 84,708,342 (GRCm39) F1739I probably benign Het
Ugcg C T 4: 59,207,798 (GRCm39) P46S probably benign Het
Umodl1 G A 17: 31,187,524 (GRCm39) R196H probably damaging Het
Vezf1 G T 11: 87,972,447 (GRCm39) M269I probably benign Het
Vmn1r35 A T 6: 66,656,550 (GRCm39) M40K probably benign Het
Vmn1r9 G T 6: 57,048,300 (GRCm39) C125F probably benign Het
Vmn2r12 C A 5: 109,239,594 (GRCm39) G323V probably benign Het
Vmn2r79 A T 7: 86,651,555 (GRCm39) H318L probably benign Het
Zfhx3 T A 8: 109,520,167 (GRCm39) S430T 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
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
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'- GCTGCATGGTCTCTGAAATCATTCTTG -3'
(R):5'- GCAAAGCCTTGGAACTGATCTACAGTG -3'

Sequencing Primer
(F):5'- GTCTCTGAAATCATTCTTGGTGTG -3'
(R):5'- TCCTGAATACCTTGCTTGGGTG -3'
Posted On 2014-05-23