Incidental Mutation 'RF020:Mgam'
ID 603791
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 # RF020 (G1)
Quality Score 225.009
Status Not validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 40662243 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Asparagine at position 1179 (Y1179N)
Ref Sequence ENSEMBL: ENSMUSP00000071466 (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: Y1179N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: Y1179N

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: Y1179N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: Y1179N

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
Coding Region Coverage
  • 1x: 99.8%
  • 3x: 99.7%
  • 10x: 99.3%
  • 20x: 98.5%
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: 90 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca16 A G 7: 120,132,880 (GRCm39) K1270E possibly damaging Het
Adgrb2 T C 4: 129,903,877 (GRCm39) S668P probably damaging Het
Ahdc1 T G 4: 132,791,588 (GRCm39) L943R possibly damaging Het
Ank2 T C 3: 126,739,125 (GRCm39) K2253R unknown Het
Arhgap23 T C 11: 97,354,387 (GRCm39) S767P probably damaging Het
Arhgef12 A G 9: 42,901,285 (GRCm39) I839T possibly damaging Het
Begain CGCCGC CGCCGCGGCCGC 12: 108,999,350 (GRCm39) probably benign Het
Btbd19 A T 4: 116,979,472 (GRCm39) C116S probably damaging Het
Cbr1 C T 16: 93,407,067 (GRCm39) A261V probably benign Het
Ccdc137 A G 11: 120,349,022 (GRCm39) R18G probably benign Het
Cdsn AG AGACAGGAAGTAGTAGCTCTCAG 17: 35,865,876 (GRCm39) probably benign Het
Celsr3 C T 9: 108,726,256 (GRCm39) R3162C probably benign Het
Cep350 A T 1: 155,791,224 (GRCm39) V1300E probably benign Het
Cluh G GCCAGAT 11: 74,560,364 (GRCm39) probably benign Het
Cmya5 G T 13: 93,205,799 (GRCm39) Q3357K possibly damaging Het
Col6a2 T G 10: 76,442,043 (GRCm39) probably null Het
Cyp2j9 T A 4: 96,465,889 (GRCm39) T315S probably damaging Het
Cyp3a13 CATTATT CATT 5: 137,892,525 (GRCm39) probably null Het
Dnah6 T A 6: 73,095,040 (GRCm39) Y2181F probably benign Het
Dnah7b A G 1: 46,412,421 (GRCm39) D4010G possibly damaging Het
E4f1 CCG CCGACG 17: 24,674,169 (GRCm39) probably benign Het
Ep300 A T 15: 81,470,772 (GRCm39) probably benign Het
Fam234a A G 17: 26,437,725 (GRCm39) V90A probably benign Het
Gab3 TCT TCTGCT X: 74,043,623 (GRCm39) probably benign Het
Gal3st1 A G 11: 3,948,153 (GRCm39) Y120C possibly damaging Het
Garin5a GGA GGAAGGGTGGATCCTGGATACCTGGGTCTGAGGGAAGA 7: 44,149,959 (GRCm39) probably null Het
Gm5475 GTGGAAGGAAAGGT G 15: 100,325,030 (GRCm39) probably null Het
Gm6665 T TC 18: 31,953,430 (GRCm39) probably null Het
Hdlbp T C 1: 93,368,456 (GRCm39) T8A probably benign Het
Hnrnpa2b1 T A 6: 51,443,674 (GRCm39) K92N probably damaging Het
Hsdl2 GGAGCAGCCACAGCTGCAGGAGAAGCCACAGCTGCAGGAGCAGCCACAGC GGAGCAGCCACAGCTGCAGGAGCAGCCACAGCTGCAGGAGAAGCCACAGCTGCAGGAGCAGCCACAGC 4: 59,610,640 (GRCm39) probably benign Het
Klhl10 C G 11: 100,332,896 (GRCm39) Q14E probably benign Het
Klra2 GAAAGAAATCCA GAAAGAAATCCAAAGAAATCCA 6: 131,198,801 (GRCm39) probably null Het
Kmt2b CC CCTCCTGC 7: 30,285,807 (GRCm39) probably benign Het
Krt1c A G 15: 101,726,403 (GRCm39) I45T unknown Het
Ksr2 T C 5: 117,693,283 (GRCm39) S244P probably benign Het
Lama5 A T 2: 179,837,971 (GRCm39) M915K probably benign Het
Lrp1b A C 2: 41,660,858 (GRCm39) H197Q Het
Lrrc1 T C 9: 77,359,913 (GRCm39) E293G probably damaging Het
Med12l AACA AACAACA 3: 59,183,379 (GRCm39) probably benign Het
Mgat4c A G 10: 102,224,928 (GRCm39) I381V probably benign Het
Mrgprx1 A AGAC 7: 47,671,259 (GRCm39) probably benign Het
Myc A T 15: 61,857,672 (GRCm39) probably benign Het
Nipbl A G 15: 8,388,418 (GRCm39) S401P probably damaging Het
Nlrp9c A T 7: 26,084,649 (GRCm39) I310N probably benign Het
Nwd2 C A 5: 63,963,066 (GRCm39) Y883* probably null Het
Oas1e T A 5: 120,932,383 (GRCm39) T87S possibly damaging Het
Or10n7-ps1 GA GATACA 9: 39,598,049 (GRCm39) probably null Het
Or51a5 A T 7: 102,771,098 (GRCm39) C294S probably benign Het
Or52d3 A G 7: 104,229,497 (GRCm39) M215V probably benign Het
Or8b38 G A 9: 37,972,620 (GRCm39) M1I probably null Het
Pappa T G 4: 65,123,282 (GRCm39) S872R possibly damaging Het
Parp4 T C 14: 56,884,806 (GRCm39) L1295P unknown Het
Pcdh15 A T 10: 74,021,242 (GRCm39) Y152F probably damaging Het
Pdk1 A T 2: 71,714,240 (GRCm39) I217L possibly damaging Het
Phldb1 A C 9: 44,609,243 (GRCm39) C450W probably damaging Het
Pnma8a C CCATGATGCACCTGCTTCAACATCA 7: 16,695,376 (GRCm39) probably benign Het
Prl2c5 G A 13: 13,360,497 (GRCm39) G55S probably benign Het
Psme2b A T 11: 48,836,397 (GRCm39) H183Q probably damaging Het
Ptms CCTCCTC CCTCCTCCTC 6: 124,891,412 (GRCm39) probably benign Het
Rln3 T C 8: 84,769,931 (GRCm39) T73A probably benign Het
Rprd1a T A 18: 24,663,062 (GRCm39) Q21L probably damaging Het
Septin3 A T 15: 82,168,662 (GRCm39) D155V probably damaging Het
Sh3rf3 T A 10: 58,649,590 (GRCm39) V65E probably damaging Het
Shank3 A G 15: 89,384,593 (GRCm39) N155S probably benign Het
Shox2 G T 3: 66,881,146 (GRCm39) P278Q probably damaging Het
Slc1a1 T C 19: 28,856,555 (GRCm39) probably null Het
Slc39a10 A T 1: 46,849,175 (GRCm39) F814I probably damaging Het
Slc5a1 T C 5: 33,290,773 (GRCm39) I119T probably damaging Het
Slc6a13 T C 6: 121,301,310 (GRCm39) probably null Het
Spmap2l CAGCGATCCTCCCCAGTCCCGCAAGGC CAGCGATCCTCCCCAGTCCCGCAAGGCGAGCGATCCTCCCCAGTCCCGCAAGGC 5: 77,164,247 (GRCm39) probably benign Het
Spta1 A G 1: 174,041,010 (GRCm39) D1270G probably benign Het
Spta1 T A 1: 174,045,469 (GRCm39) F1542L probably damaging Het
Tacc3 T A 5: 33,818,568 (GRCm39) M1K probably null Het
Tax1bp1 T C 6: 52,698,339 (GRCm39) V17A probably damaging Het
Tmem156 T A 5: 65,248,890 (GRCm39) E3D probably benign Het
Tmem209 T A 6: 30,487,417 (GRCm39) M530L probably benign Het
Trpc2 A G 7: 101,745,433 (GRCm39) D883G unknown Het
Tsen34 GGAGCCAAAAT G 7: 3,698,795 (GRCm39) probably null Het
Uhrf2 T C 19: 30,063,791 (GRCm39) Y585H probably damaging Het
Vmn1r26 T A 6: 57,985,705 (GRCm39) K161N probably benign Het
Vmn1r29 A G 6: 58,284,528 (GRCm39) S83G probably benign Het
Vps13b G T 15: 35,925,552 (GRCm39) W3829L probably null Het
Vwce G A 19: 10,630,449 (GRCm39) G503R probably damaging Het
Zc3h11a T C 1: 133,554,735 (GRCm39) E415G possibly damaging Het
Zc3h14 T A 12: 98,746,541 (GRCm39) probably null Het
Zfp119b A T 17: 56,246,499 (GRCm39) M229K probably benign Het
Zfp384 CCAAGCTCAAGC CCAAGC 6: 125,013,418 (GRCm39) probably benign Het
Zfp384 GGCCCAGGC GGCCCAGGCCCACGCCCAGGC 6: 125,013,451 (GRCm39) probably benign Het
Zyx T A 6: 42,334,330 (GRCm39) L518Q 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
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
RF011:Mgam UTSW 6 40,734,370 (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'- ATCCCAAAATGGAAGCATGCTTG -3'
(R):5'- ATGGATGCATGCTTTGGAAC -3'

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