Incidental Mutation 'R1443:Mgam'
ID 158645
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
MMRRC Submission 039498-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R1443 (G1)
Quality Score 225
Status Not validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) C to A at 40736714 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Stop codon at position 871 (S871*)
Ref Sequence ENSEMBL: ENSMUSP00000144680 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071535] [ENSMUST00000201148] [ENSMUST00000202779] [ENSMUST00000202966]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000071535
AA Change: S1617*
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: S1617*

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 null
Transcript: ENSMUST00000201148
AA Change: S1617*
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: S1617*

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 noncoding transcript
Transcript: ENSMUST00000202775
Predicted Effect probably null
Transcript: ENSMUST00000202779
AA Change: S990*
SMART Domains Protein: ENSMUSP00000144627
Gene: ENSMUSG00000068587
AA Change: S990*

DomainStartEndE-ValueType
Pfam:Glyco_hydro_31 2 170 1.4e-53 PFAM
PD 297 350 1.4e-14 SMART
Pfam:NtCtMGAM_N 361 474 1.5e-26 PFAM
Blast:ANK 514 544 7e-8 BLAST
Pfam:Glyco_hydro_31 562 1064 2.2e-137 PFAM
low complexity region 1149 1164 N/A INTRINSIC
Predicted Effect probably null
Transcript: ENSMUST00000202966
AA Change: S871*
SMART Domains Protein: ENSMUSP00000144680
Gene: ENSMUSG00000068587
AA Change: S871*

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
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.7%
  • 10x: 94.2%
  • 20x: 85.7%
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: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actr8 A G 14: 29,706,056 (GRCm39) M99V possibly damaging Het
Adamtsl2 T A 2: 26,993,078 (GRCm39) C703S possibly damaging Het
Afap1 G T 5: 36,126,005 (GRCm39) K333N probably damaging Het
Aldh3a2 G A 11: 61,155,133 (GRCm39) S137L probably damaging Het
Alkbh2 C T 5: 114,262,287 (GRCm39) E148K probably damaging Het
Aoc1 A T 6: 48,882,379 (GRCm39) K107M possibly damaging Het
Aoc1l1 A T 6: 48,952,849 (GRCm39) Y258F probably damaging Het
Bltp2 T A 11: 78,153,624 (GRCm39) S56R probably damaging Het
Bmp8a G T 4: 123,210,758 (GRCm39) S252R possibly damaging Het
C7 T C 15: 5,088,901 (GRCm39) I13M probably benign Het
Cblb T A 16: 51,959,974 (GRCm39) D322E possibly damaging Het
Cfap54 G A 10: 92,768,583 (GRCm39) T180I probably damaging Het
Clrn2 C T 5: 45,617,453 (GRCm39) A108V probably damaging Het
Cspg4 T A 9: 56,793,796 (GRCm39) D510E probably damaging Het
Cyp2c40 A T 19: 39,766,415 (GRCm39) N393K possibly damaging Het
Dcaf5 T C 12: 80,410,843 (GRCm39) Y294C probably damaging Het
Dclk3 T A 9: 111,298,088 (GRCm39) M544K probably benign Het
Ell3 A T 2: 121,269,946 (GRCm39) F388I probably damaging Het
Fam78b A G 1: 166,906,329 (GRCm39) I163V probably damaging Het
Gnptab T C 10: 88,269,943 (GRCm39) L882P probably damaging Het
Herc2 A T 7: 55,854,481 (GRCm39) D3802V possibly damaging Het
Hs3st5 A G 10: 36,709,410 (GRCm39) E315G probably benign Het
Idh3b A T 2: 130,125,974 (GRCm39) probably null Het
Lama4 G A 10: 38,949,639 (GRCm39) E911K probably damaging Het
Macf1 A G 4: 123,404,800 (GRCm39) I436T probably damaging Het
Mtmr7 A G 8: 41,013,923 (GRCm39) S212P probably damaging Het
Mylk2 A G 2: 152,761,336 (GRCm39) T480A probably damaging Het
Myo3a A T 2: 22,287,437 (GRCm39) N191I probably damaging Het
Nanog C T 6: 122,688,734 (GRCm39) S105F probably damaging Het
Nanos2 A G 7: 18,721,564 (GRCm39) Y12C probably damaging Het
Nsg1 C T 5: 38,312,987 (GRCm39) V71I probably benign Het
Or10g3 A T 14: 52,610,408 (GRCm39) I34N probably damaging Het
Or13a1 T C 6: 116,471,386 (GRCm39) L272S probably benign Het
Or2ad1 C T 13: 21,326,337 (GRCm39) V297I probably benign Het
Or51a42 A T 7: 103,707,930 (GRCm39) I293N probably damaging Het
Or5b105 G T 19: 13,080,568 (GRCm39) Y33* probably null Het
Pcdhb17 A G 18: 37,619,701 (GRCm39) Q497R probably benign Het
Pcsk7 C A 9: 45,837,284 (GRCm39) P536Q probably damaging Het
Phactr4 G A 4: 132,104,559 (GRCm39) T256I probably benign Het
Phyhip A G 14: 70,704,731 (GRCm39) K317E probably damaging Het
Pkhd1 C T 1: 20,604,782 (GRCm39) G1178R probably damaging Het
Ppp1r9a G A 6: 5,057,557 (GRCm39) G544D probably damaging Het
Ptpn3 T C 4: 57,225,775 (GRCm39) D480G probably benign Het
Ptprn2 A T 12: 117,217,235 (GRCm39) K918N probably damaging Het
Rab42 T C 4: 132,029,658 (GRCm39) D188G probably benign Het
Rasgrf2 C A 13: 92,131,795 (GRCm39) D20Y probably damaging Het
Ryr2 G A 13: 11,794,152 (GRCm39) T942I probably benign Het
Sbpl T C 17: 24,172,328 (GRCm39) K197R unknown Het
Slc44a1 T A 4: 53,561,069 (GRCm39) V595E probably damaging Het
Slc6a19 A G 13: 73,832,463 (GRCm39) M410T probably damaging Het
Sntb1 A T 15: 55,511,351 (GRCm39) L411H probably damaging Het
Synj2 A G 17: 6,073,940 (GRCm39) K245E probably damaging Het
Tasor2 T C 13: 3,625,543 (GRCm39) K1469R probably benign Het
Tmem131 G A 1: 36,864,559 (GRCm39) T558I probably damaging Het
Tnrc18 A T 5: 142,757,288 (GRCm39) S1078T unknown Het
Trmu T A 15: 85,781,302 (GRCm39) probably null Het
Ttn A T 2: 76,721,430 (GRCm39) probably benign Het
Tyw3 T C 3: 154,293,160 (GRCm39) T172A probably benign Het
Vldlr T C 19: 27,217,121 (GRCm39) I348T possibly damaging Het
Zfp114 A G 7: 23,877,194 (GRCm39) D12G probably 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
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'- TGGACATGCGGAAACCGTCTTATC -3'
(R):5'- CACATTTGTCCCCAACTGGAAGGAG -3'

Sequencing Primer
(F):5'- CGGAAACCGTCTTATCTTTTGTAG -3'
(R):5'- GGAAGGAGAACTTTCTGTCTCCAC -3'
Posted On 2014-03-14