Incidental Mutation 'RF011:Mgam'
ID 603202
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 # RF011 (G1)
Quality Score 225.009
Status Not validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 40734370 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Lysine at position 1472 (Q1472K)
Ref Sequence ENSEMBL: ENSMUSP00000071466 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000071535] [ENSMUST00000201148] [ENSMUST00000202779] [ENSMUST00000202966]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000071535
AA Change: Q1472K

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: Q1472K

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: Q1472K

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: Q1472K

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: ENSMUST00000202779
AA Change: Q845K

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000144627
Gene: ENSMUSG00000068587
AA Change: Q845K

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 damaging
Transcript: ENSMUST00000202966
AA Change: Q726K

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000144680
Gene: ENSMUSG00000068587
AA Change: Q726K

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: 99.8%
  • 3x: 99.7%
  • 10x: 99.5%
  • 20x: 99.0%
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A030005L19Rik GTGGTGGCTG GTGGTGGCTGTGGTGGCTG 1: 82,891,290 (GRCm39) probably benign Het
A030005L19Rik TGCTG TGCTGTGGCGGCTG 1: 82,891,307 (GRCm39) probably benign Het
A030005L19Rik TGGCTGCTG TGGCTGCTGGGGCTGCTG 1: 82,891,294 (GRCm39) probably benign Het
AI837181 GCG GCGTCG 19: 5,475,264 (GRCm39) probably benign Het
Ankrd24 C CGGAGGCAGAGGA 10: 81,479,405 (GRCm39) probably benign Het
Aqp2 T C 15: 99,481,753 (GRCm39) S216P probably damaging Het
Brd10 T C 19: 29,721,009 (GRCm39) K672R possibly damaging Het
Cacna1f GGA GGAAGA X: 7,486,295 (GRCm39) probably benign Het
Ccdc170 CCA CCAGCA 10: 4,511,018 (GRCm39) probably benign Het
Cd109 TATTTAT TATTTATTTATTCATTTAT 9: 78,619,810 (GRCm39) probably benign Het
Cela2a T C 4: 141,549,026 (GRCm39) N117D probably benign Het
Cul9 CTTC CTTCTTC 17: 46,811,774 (GRCm39) probably benign Het
Cyb5r2 A T 7: 107,350,375 (GRCm39) S235R probably benign Het
Dnmt1 CACAGTTCCTACCTCGTT CACAGTTCCTACCTCGTTTTGGGGGCGGAGAACAGTTCCTACCTCGTT 9: 20,821,424 (GRCm39) probably null Het
Dnmt1 TT TTTTGGGGGCGGAGCACAGTTCCTACCTCGAT 9: 20,821,440 (GRCm39) probably null Het
E4f1 CCG CCGTCG 17: 24,674,160 (GRCm39) probably benign Het
Fam171b TCCAGCA TCCAGCACCAGCA 2: 83,643,217 (GRCm39) probably benign Het
Fam171b GC GCAGCATC 2: 83,643,239 (GRCm39) probably benign Het
Fam81b CTGTT CTGTTGTT 13: 76,419,435 (GRCm39) probably benign Het
Fkbp1a GCCGCCGCCA G 2: 151,384,619 (GRCm39) probably null Het
Flii G A 11: 60,607,069 (GRCm39) A969V probably benign Het
Fscb AGTGGAACTTCTGCAGGCCCCTCTTCAGTTAGTGTAGGTGGAACTTCTGCAGGCCCCTCTTCAGTTAGTGGAGGTGGAACTTCTGCAGG AGTGGAACTTCTGCAGGCCCCTCTTCAGTTAGTGGAGGTGGAACTTCTGCAGG 12: 64,519,768 (GRCm39) probably benign Het
Gas1 G GAAA 13: 60,324,345 (GRCm39) probably benign Het
Grip1 A G 10: 119,767,220 (GRCm39) D115G probably null Het
Guca2b G T 4: 119,514,044 (GRCm39) T89N possibly damaging Het
Hcn4 T A 9: 58,767,198 (GRCm39) S920T unknown Het
Heatr1 A G 13: 12,422,425 (GRCm39) M484V probably benign Het
Iba57 G T 11: 59,054,438 (GRCm39) A27E probably benign Het
Ifi207 G C 1: 173,556,687 (GRCm39) L684V not run Het
Ints13 T C 6: 146,457,738 (GRCm39) H380R probably damaging Het
Jmjd1c C T 10: 67,055,978 (GRCm39) T466I possibly damaging Het
Kcnh8 G A 17: 53,285,267 (GRCm39) R1079H probably benign Het
Kif12 C CCTCCACCCGGCGGGG 4: 63,089,664 (GRCm39) probably benign Het
Kmt2c A T 5: 25,543,457 (GRCm39) D1399E probably damaging Het
Macf1 A T 4: 123,367,648 (GRCm39) L2371Q probably damaging Het
Mbd1 GTCTTCGTCTGCATCTGCATCTGCATCT GTCT 18: 74,406,681 (GRCm39) probably benign Het
Med12l GCA GCATCA 3: 59,183,401 (GRCm39) probably benign Het
Mup21 TATACTT TATACTTTTTAGATACTT 4: 62,067,582 (GRCm39) probably benign Het
Nalf2 CGCCGC CGCCGCAGCCGC X: 98,864,967 (GRCm39) probably benign Het
Nipal1 A G 5: 72,824,156 (GRCm39) N167D probably damaging Het
Or4d10c C T 19: 12,065,611 (GRCm39) V182I probably benign Het
Or5be3 T A 2: 86,864,385 (GRCm39) Y60F probably damaging Het
Osbpl3 CCTGCA C 6: 50,325,118 (GRCm39) probably benign Het
Phf20 CCCCCCCCC CCCCCCCCCCCCCCCC 2: 156,146,540 (GRCm39) probably benign Het
Phf20 CCCCCCCC CCCCCCCCCCCCCCC 2: 156,146,541 (GRCm39) probably benign Het
Pramel16 C G 4: 143,675,478 (GRCm39) Q449H probably damaging Het
Rassf6 TCCTGTAGAGCAATGGGGATTC TCCTGTAGAGCAATGGGGATTCTGCCTCACTCATGGGCCTGTAGAGCAATGGGGATTC 5: 90,756,780 (GRCm39) probably benign Het
Rbm33 CCAGCCGCAGC CCAGC 5: 28,599,179 (GRCm39) probably benign Het
Rubcnl T C 14: 75,281,878 (GRCm39) F445S probably damaging Het
S100a10 TTTTTTTA T 3: 93,471,541 (GRCm39) probably benign Het
Sbp AA AAAATGCTGACAACGGA 17: 24,164,328 (GRCm39) probably benign Het
Sec14l3 A C 11: 4,017,963 (GRCm39) Q81P possibly damaging Het
Setd1a TGGTGGTGG TGGTGGTGGGGGTGGTGG 7: 127,384,515 (GRCm39) probably benign Het
Six3 CGG CGGGGG 17: 85,928,796 (GRCm39) probably benign Het
Snapc5 ATGGAAGAAGAGG A 9: 64,089,493 (GRCm39) probably benign Het
Tbc1d12 CGGAGGAGG CGG 19: 38,825,401 (GRCm39) probably benign Het
Tcof1 AGC AGCCGC 18: 60,968,811 (GRCm39) probably benign Het
Tox2 A G 2: 163,067,484 (GRCm39) I68V probably benign Het
Triml2 G T 8: 43,636,201 (GRCm39) probably benign Het
Tspan33 A G 6: 29,716,729 (GRCm39) Y162C probably damaging Het
Zfp384 GGCCCAGGCCCA GGCCCAGGCCCAAGCCCAGGCCCA 6: 125,013,439 (GRCm39) probably benign Het
Zfp948 T C 17: 21,808,574 (GRCm39) Y589H probably damaging Het
Zic1 T C 9: 91,246,383 (GRCm39) I230V 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
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
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'- GGACAGTGCAATGGGTTTACC -3'
(R):5'- GCACAGGACATTCTCTGCAC -3'

Sequencing Primer
(F):5'- CCACATGATGAAGTTGTTAGCTGAC -3'
(R):5'- AAGGATCTTACTCCCACCCCTG -3'
Posted On 2019-12-04