Incidental Mutation 'R0452:Mgam'
ID 39674
Institutional Source Beutler Lab
Gene Symbol Mgam
Ensembl Gene ENSMUSG00000068587
Gene Name maltase-glucoamylase
Synonyms 6030407P20Rik
MMRRC Submission 038652-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.237) question?
Stock # R0452 (G1)
Quality Score 136
Status Validated
Chromosome 6
Chromosomal Location 40605765-40746057 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 40736024 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 841 (Y841C)
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 damaging
Transcript: ENSMUST00000071535
AA Change: Y1587C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000071466
Gene: ENSMUSG00000068587
AA Change: Y1587C

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: Y1587C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000143946
Gene: ENSMUSG00000068587
AA Change: Y1587C

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 damaging
Transcript: ENSMUST00000202779
AA Change: Y960C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000144627
Gene: ENSMUSG00000068587
AA Change: Y960C

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: Y841C

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000144680
Gene: ENSMUSG00000068587
AA Change: Y841C

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 0.8685 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.7%
Validation Efficiency 99% (93/94)
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
6030452D12Rik A G 8: 107,233,822 (GRCm39) probably benign Het
Acap3 C A 4: 155,986,785 (GRCm39) S347* probably null Het
Acvr1 G A 2: 58,390,507 (GRCm39) P19L probably benign Het
Add2 G T 6: 86,081,611 (GRCm39) E366* probably null Het
Ankrd28 C A 14: 31,470,695 (GRCm39) A153S probably damaging Het
Anxa8 A T 14: 33,816,727 (GRCm39) I206F probably damaging Het
Arhgef4 G A 1: 34,771,403 (GRCm39) E1237K probably damaging Het
Arid1a C T 4: 133,416,416 (GRCm39) A1120T unknown Het
Atad5 T C 11: 79,997,247 (GRCm39) V857A probably damaging Het
Atp2a3 T A 11: 72,868,058 (GRCm39) probably null Het
Atxn1l C T 8: 110,459,027 (GRCm39) V412I possibly damaging Het
Card11 A G 5: 140,866,125 (GRCm39) S923P probably benign Het
Cars1 C A 7: 143,146,362 (GRCm39) E21* probably null Het
Ccdc115 A G 1: 34,476,702 (GRCm39) probably benign Het
Ccnj T A 19: 40,833,508 (GRCm39) probably null Het
Cds2 C T 2: 132,140,399 (GRCm39) T182I probably damaging Het
Ceacam14 A G 7: 17,549,248 (GRCm39) H213R probably benign Het
Cfap44 A T 16: 44,252,308 (GRCm39) M806L probably benign Het
Chd8 A T 14: 52,452,044 (GRCm39) I1317K probably damaging Het
Cherp A T 8: 73,215,366 (GRCm39) probably benign Het
Creb5 C G 6: 53,581,527 (GRCm39) T30S possibly damaging Het
Csf2ra A G 19: 61,215,333 (GRCm39) M94T probably benign Het
Cyp2b19 A C 7: 26,466,187 (GRCm39) D330A probably benign Het
Ddost G A 4: 138,037,499 (GRCm39) V188M possibly damaging Het
Dnah7a A T 1: 53,644,978 (GRCm39) D1019E probably benign Het
Dtx1 A T 5: 120,833,057 (GRCm39) I127N possibly damaging Het
Dyrk2 T C 10: 118,704,668 (GRCm39) T3A possibly damaging Het
Elovl5 C T 9: 77,868,193 (GRCm39) T35M probably damaging Het
Emc7 T C 2: 112,297,314 (GRCm39) probably benign Het
Erp27 T C 6: 136,886,487 (GRCm39) Y182C probably damaging Het
Exoc2 T A 13: 31,070,310 (GRCm39) probably benign Het
F5 A C 1: 164,012,676 (GRCm39) D530A probably damaging Het
Fam149a A T 8: 45,808,686 (GRCm39) V149E probably damaging Het
Fbxo41 A G 6: 85,455,164 (GRCm39) S614P probably damaging Het
Fmn1 T A 2: 113,467,124 (GRCm39) Y1342N possibly damaging Het
Gpr22 T A 12: 31,758,793 (GRCm39) D443V possibly damaging Het
Il17rd T A 14: 26,813,888 (GRCm39) W56R probably damaging Het
Itga2b A T 11: 102,356,779 (GRCm39) probably null Het
Jmjd1c T C 10: 67,091,261 (GRCm39) M2514T probably benign Het
Klk1b9 T C 7: 43,443,675 (GRCm39) probably benign Het
Krr1 T C 10: 111,811,503 (GRCm39) Y66H probably damaging Het
Lamb2 T C 9: 108,363,553 (GRCm39) probably benign Het
Lgals3bp A T 11: 118,284,290 (GRCm39) Y430N probably benign Het
Lrp10 T C 14: 54,705,036 (GRCm39) V113A probably benign Het
Nisch T A 14: 30,899,421 (GRCm39) probably benign Het
Nlrp4d G A 7: 10,112,219 (GRCm39) T650I probably benign Het
Or4f61 T A 2: 111,922,981 (GRCm39) K22* probably null Het
Or5p78 C T 7: 108,211,577 (GRCm39) T21I possibly damaging Het
Parp4 A G 14: 56,886,300 (GRCm39) D1793G unknown Het
Pcm1 A G 8: 41,778,942 (GRCm39) D1850G probably benign Het
Pgap2 G A 7: 101,885,669 (GRCm39) A145T probably damaging Het
Phc1 G A 6: 122,299,995 (GRCm39) A583V probably damaging Het
Plcd3 G A 11: 102,962,085 (GRCm39) probably benign Het
Ppm1m T A 9: 106,074,501 (GRCm39) Q214L probably damaging Het
Prkg2 A G 5: 99,145,379 (GRCm39) probably benign Het
Prss3l A G 6: 41,422,271 (GRCm39) Y45H probably benign Het
Rasal3 T C 17: 32,614,791 (GRCm39) probably benign Het
Rfc1 A T 5: 65,421,640 (GRCm39) D1086E probably benign Het
Rnf145 T A 11: 44,452,587 (GRCm39) L522H probably damaging Het
Setd2 T A 9: 110,382,168 (GRCm39) probably null Het
Sik1 C A 17: 32,068,055 (GRCm39) V377F possibly damaging Het
Slc44a4 T C 17: 35,147,071 (GRCm39) I367T possibly damaging Het
Slfn3 A G 11: 83,103,954 (GRCm39) D275G possibly damaging Het
Smarcad1 A T 6: 65,051,806 (GRCm39) N313I possibly damaging Het
Smc4 A T 3: 68,915,361 (GRCm39) K138* probably null Het
Smg6 T A 11: 74,821,039 (GRCm39) S437T probably benign Het
Spaca9 G T 2: 28,586,005 (GRCm39) Q20K probably damaging Het
Spatc1 T G 15: 76,152,493 (GRCm39) I41S probably damaging Het
Spink5 A T 18: 44,096,385 (GRCm39) T5S possibly damaging Het
St3gal1 C A 15: 66,981,504 (GRCm39) probably benign Het
Stat5a C A 11: 100,753,961 (GRCm39) T97K probably benign Het
Stat5b A T 11: 100,689,156 (GRCm39) I246N probably benign Het
Supt6 G T 11: 78,117,829 (GRCm39) D462E probably damaging Het
Swi5 A T 2: 32,171,836 (GRCm39) probably benign Het
Syne1 A T 10: 5,355,435 (GRCm39) V375E probably damaging Het
Tcp1 T C 17: 13,143,239 (GRCm39) F516S probably benign Het
Tdrd7 A T 4: 45,965,488 (GRCm39) probably benign Het
Tgfbr3 A T 5: 107,288,289 (GRCm39) N457K probably benign Het
Tmem209 A G 6: 30,487,380 (GRCm39) M500T probably damaging Het
Tmem44 C T 16: 30,336,281 (GRCm39) probably benign Het
Ttc21a T A 9: 119,768,220 (GRCm39) probably benign Het
Ttn A G 2: 76,701,454 (GRCm39) probably benign Het
Ttn T A 2: 76,666,347 (GRCm39) I88F possibly damaging Het
Ube2w T C 1: 16,672,479 (GRCm39) probably benign Het
Ufc1 C T 1: 171,117,527 (GRCm39) probably benign Het
Uhmk1 A G 1: 170,039,971 (GRCm39) M132T possibly damaging Het
Usp29 A G 7: 6,966,181 (GRCm39) N675D possibly damaging Het
Vmn1r23 A G 6: 57,903,469 (GRCm39) V103A possibly damaging Het
Wdr59 G T 8: 112,248,604 (GRCm39) R4S possibly damaging Het
Zc3hav1 T A 6: 38,284,372 (GRCm39) E914D 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
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
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'- CCAGTTGCAGAGAAATTAGCTTTCAGTG -3'
(R):5'- AGATAAGACGGTTTCCGCATGTCC -3'

Sequencing Primer
(F):5'- CAGTGACCTTTAAGTCCCTTGAGAG -3'
(R):5'- GCCAGGATTCCTGCTTAACA -3'
Posted On 2013-05-23