Incidental Mutation 'R1667:Mgam'
ID 187278
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
MMRRC Submission 039703-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R1667 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 40653978 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 844 (Y844H)
Ref Sequence ENSEMBL: ENSMUSP00000143946 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071535] [ENSMUST00000201148] [ENSMUST00000202966]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000071535
AA Change: Y844H

PolyPhen 2 Score 0.619 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: Y844H

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 possibly damaging
Transcript: ENSMUST00000201148
AA Change: Y844H

PolyPhen 2 Score 0.619 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: Y844H

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
AA Change: Y98H

PolyPhen 2 Score 0.069 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000144680
Gene: ENSMUSG00000068587
AA Change: Y98H

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 0.3269 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.0%
Validation Efficiency 99% (76/77)
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgra1 G A 7: 139,425,564 (GRCm39) A26T possibly damaging Het
Adgrg3 T A 8: 95,760,001 (GRCm39) Y73* probably null Het
Alk A T 17: 72,218,562 (GRCm39) V761E probably damaging Het
Ankrd13a T C 5: 114,924,794 (GRCm39) V93A possibly damaging Het
Anks1b T C 10: 90,347,046 (GRCm39) probably null Het
Arb2a T A 13: 77,907,635 (GRCm39) M1K probably null Het
Ascl1 T C 10: 87,328,655 (GRCm39) N99S probably benign Het
Atm A T 9: 53,412,232 (GRCm39) L972Q probably damaging Het
Atp2c1 A T 9: 105,309,996 (GRCm39) L566Q probably null Het
Bank1 T A 3: 135,799,057 (GRCm39) Y629F probably damaging Het
Bod1l G T 5: 41,974,118 (GRCm39) L2399I probably benign Het
Bub1b G A 2: 118,471,670 (GRCm39) G1010D probably benign Het
Ces1b G A 8: 93,783,532 (GRCm39) H563Y possibly damaging Het
Cfap70 T C 14: 20,454,225 (GRCm39) E853G probably benign Het
Cfh T C 1: 140,033,261 (GRCm39) E779G probably benign Het
Cox7c A G 13: 86,194,003 (GRCm39) S7P probably benign Het
Cyp2c67 A G 19: 39,632,034 (GRCm39) probably null Het
Dhx30 G T 9: 109,914,513 (GRCm39) L995I possibly damaging Het
Dhx30 G C 9: 109,914,514 (GRCm39) N957K possibly damaging Het
Dsc3 T C 18: 20,124,617 (GRCm39) T36A possibly damaging Het
Dstyk A G 1: 132,384,657 (GRCm39) D717G probably damaging Het
Dusp10 A G 1: 183,769,055 (GRCm39) D7G probably damaging Het
E230001N04Rik T G 17: 28,742,935 (GRCm39) noncoding transcript Het
Ece2 T C 16: 20,456,588 (GRCm39) S330P possibly damaging Het
Frmd5 ATAGTGGAATTGTTCAAACTC ATAGTGGAATTGTTCAAACTCTAGTGGAATTGTTCAAACTC 2: 121,379,211 (GRCm39) probably null Het
Gata3 T C 2: 9,882,360 (GRCm39) H14R possibly damaging Het
Ggta1 T A 2: 35,304,295 (GRCm39) I75F possibly damaging Het
Hcn1 A T 13: 117,739,609 (GRCm39) I124F unknown Het
Herpud1 A C 8: 95,115,994 (GRCm39) D53A probably damaging Het
Inhba T A 13: 16,201,209 (GRCm39) L257Q possibly damaging Het
Itga10 C T 3: 96,559,054 (GRCm39) probably benign Het
Jmy T A 13: 93,634,878 (GRCm39) S313C probably damaging Het
Lpo G A 11: 87,698,067 (GRCm39) probably benign Het
Lsg1 T C 16: 30,390,170 (GRCm39) E315G probably damaging Het
Lsm14a T A 7: 34,065,079 (GRCm39) T167S possibly damaging Het
Lsmem1 GTACATACATACATACATACATACATACA GTACATACATACATACATACATACATACATACA 12: 40,235,260 (GRCm39) probably null Het
Map3k2 T C 18: 32,336,845 (GRCm39) probably benign Het
Mapk12 A T 15: 89,024,344 (GRCm39) M81K probably damaging Het
Matn2 T A 15: 34,378,878 (GRCm39) C305S probably damaging Het
Mgat5b A G 11: 116,838,203 (GRCm39) R281G probably benign Het
Mon1b T G 8: 114,368,589 (GRCm39) C497G probably damaging Het
Mybbp1a A T 11: 72,336,043 (GRCm39) H452L probably benign Het
Mybl2 A G 2: 162,917,616 (GRCm39) T41A probably damaging Het
Ncoa5 A G 2: 164,843,623 (GRCm39) V540A probably damaging Het
Nup93 T A 8: 95,019,315 (GRCm39) V47E possibly damaging Het
Or10a4 A T 7: 106,696,977 (GRCm39) M102L probably benign Het
Or5j3 A G 2: 86,129,080 (GRCm39) M307V probably null Het
Orc6 T A 8: 86,031,914 (GRCm39) C100S possibly damaging Het
Otogl G T 10: 107,649,826 (GRCm39) Y1176* probably null Het
Patj A T 4: 98,301,264 (GRCm39) D183V probably damaging Het
Pik3r3 A G 4: 116,079,514 (GRCm39) T4A probably damaging Het
Pla2g4d G A 2: 120,100,631 (GRCm39) probably benign Het
Pla2r1 A G 2: 60,250,601 (GRCm39) I1407T probably benign Het
Pramel13 A T 4: 144,119,606 (GRCm39) C320* probably null Het
Prex2 A T 1: 11,256,981 (GRCm39) H1231L probably benign Het
Prkca A G 11: 107,874,772 (GRCm39) V390A probably damaging Het
Psmd13 T A 7: 140,470,522 (GRCm39) W255R probably damaging Het
Rec8 T A 14: 55,856,253 (GRCm39) N37K probably damaging Het
Rnf207 C T 4: 152,397,672 (GRCm39) E361K probably benign Het
Serpina3f T A 12: 104,183,699 (GRCm39) L187Q probably damaging Het
Skint11 A T 4: 114,051,978 (GRCm39) T109S probably damaging Het
Slc7a8 A G 14: 54,962,306 (GRCm39) S443P probably damaging Het
Slc8b1 T A 5: 120,659,147 (GRCm39) F197Y probably benign Het
Sox2 T C 3: 34,704,568 (GRCm39) Y2H probably damaging Het
Speg T A 1: 75,387,193 (GRCm39) probably benign Het
Tlr3 T C 8: 45,853,874 (GRCm39) N149D probably benign Het
Trim60 A C 8: 65,454,116 (GRCm39) D44E probably benign Het
Ugt1a7c A G 1: 88,023,657 (GRCm39) Y272C probably damaging Het
Vmn1r4 T A 6: 56,933,738 (GRCm39) Y81N probably damaging Het
Vmn2r73 A T 7: 85,506,889 (GRCm39) C808S probably benign Het
Ythdf3 T C 3: 16,259,056 (GRCm39) I412T possibly damaging Het
Zfp672 T C 11: 58,206,921 (GRCm39) T467A possibly damaging Het
Zfp985 A T 4: 147,668,407 (GRCm39) Q425L possibly damaging 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
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'- TGTGATCCGCAGACAGGTTGAAG -3'
(R):5'- GTTGCATGTTGGTGGGGATACAAAC -3'

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