Incidental Mutation 'R2283:Gpt2'
ID 243214
Institutional Source Beutler Lab
Gene Symbol Gpt2
Ensembl Gene ENSMUSG00000031700
Gene Name glutamic pyruvate transaminase (alanine aminotransferase) 2
Synonyms 4631422C05Rik, ALT2
MMRRC Submission 040282-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.122) question?
Stock # R2283 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 86219205-86254189 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 86242818 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 283 (D283E)
Ref Sequence ENSEMBL: ENSMUSP00000034136 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034136] [ENSMUST00000132932]
AlphaFold Q8BGT5
Predicted Effect probably benign
Transcript: ENSMUST00000034136
AA Change: D283E

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000034136
Gene: ENSMUSG00000031700
AA Change: D283E

DomainStartEndE-ValueType
low complexity region 23 34 N/A INTRINSIC
Pfam:Aminotran_1_2 110 510 6.3e-34 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000132932
SMART Domains Protein: ENSMUSP00000115968
Gene: ENSMUSG00000031700

DomainStartEndE-ValueType
low complexity region 23 34 N/A INTRINSIC
PDB:3IHJ|A 48 148 6e-63 PDB
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140189
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143846
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.2%
  • 20x: 94.9%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a mitochondrial alanine transaminase, a pyridoxal enzyme that catalyzes the reversible transamination between alanine and 2-oxoglutarate to generate pyruvate and glutamate. Alanine transaminases play roles in gluconeogenesis and amino acid metabolism in many tissues including skeletal muscle, kidney, and liver. Activating transcription factor 4 upregulates this gene under metabolic stress conditions in hepatocyte cell lines. A loss of function mutation in this gene has been associated with developmental encephalopathy. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit hypoactivity, reduced postnatal brain growth, various metabolic defects in pathways involving amino acid metabolism, the TCA cycle and neuroprotective mechanisms, and premature death. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 22 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgb T C 10: 10,253,635 (GRCm39) E1235G probably damaging Het
Anapc1 A T 2: 128,484,468 (GRCm39) H1165Q probably benign Het
Bhmt G A 13: 93,756,809 (GRCm39) P273L probably damaging Het
Clec18a A G 8: 111,802,140 (GRCm39) V283A probably benign Het
Dlg5 G A 14: 24,208,731 (GRCm39) P825L probably benign Het
Fas G A 19: 34,284,649 (GRCm39) G52D probably damaging Het
Fras1 T C 5: 96,802,164 (GRCm39) I1209T probably benign Het
Hrh1 C T 6: 114,457,400 (GRCm39) T227I probably benign Het
Kif26a T C 12: 112,143,787 (GRCm39) F1347S possibly damaging Het
Krt1c T C 15: 101,722,822 (GRCm39) Y392C probably damaging Het
Masp2 A G 4: 148,690,525 (GRCm39) K261E probably benign Het
Nav2 G T 7: 49,141,152 (GRCm39) R899L probably damaging Het
Nuggc T C 14: 65,876,061 (GRCm39) V574A possibly damaging Het
Or2b6 G A 13: 21,823,190 (GRCm39) R168C probably damaging Het
Pcsk4 T C 10: 80,158,584 (GRCm39) E556G probably damaging Het
Ppa1 G A 10: 61,496,788 (GRCm39) W92* probably null Het
Rsf1 G GACGGCGGCT 7: 97,229,116 (GRCm39) probably benign Het
Sp3 A C 2: 72,801,521 (GRCm39) I164S possibly damaging Het
St8sia3 G T 18: 64,404,801 (GRCm39) E359D probably damaging Het
Usp17lb A G 7: 104,489,859 (GRCm39) I355T possibly damaging Het
Zfp608 T A 18: 55,121,446 (GRCm39) K47I probably damaging Het
Zfp931 A G 2: 177,711,714 (GRCm39) V11A possibly damaging Het
Other mutations in Gpt2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00092:Gpt2 APN 8 86,238,953 (GRCm39) missense probably benign
IGL01611:Gpt2 APN 8 86,246,167 (GRCm39) nonsense probably null
IGL02385:Gpt2 APN 8 86,242,782 (GRCm39) splice site probably null
IGL02484:Gpt2 APN 8 86,242,862 (GRCm39) missense probably damaging 1.00
IGL02589:Gpt2 APN 8 86,242,795 (GRCm39) nonsense probably null
IGL02669:Gpt2 APN 8 86,249,908 (GRCm39) missense probably benign 0.02
R1191:Gpt2 UTSW 8 86,235,901 (GRCm39) missense probably damaging 1.00
R1599:Gpt2 UTSW 8 86,238,863 (GRCm39) missense probably damaging 1.00
R1944:Gpt2 UTSW 8 86,244,625 (GRCm39) missense probably damaging 1.00
R1953:Gpt2 UTSW 8 86,248,013 (GRCm39) missense probably benign 0.00
R1962:Gpt2 UTSW 8 86,219,764 (GRCm39) missense probably damaging 0.99
R1982:Gpt2 UTSW 8 86,242,832 (GRCm39) missense possibly damaging 0.75
R3785:Gpt2 UTSW 8 86,252,202 (GRCm39) missense probably benign
R3786:Gpt2 UTSW 8 86,252,202 (GRCm39) missense probably benign
R3787:Gpt2 UTSW 8 86,252,202 (GRCm39) missense probably benign
R4402:Gpt2 UTSW 8 86,252,188 (GRCm39) missense probably benign 0.32
R4974:Gpt2 UTSW 8 86,246,068 (GRCm39) splice site probably benign
R5457:Gpt2 UTSW 8 86,238,967 (GRCm39) missense possibly damaging 0.90
R5589:Gpt2 UTSW 8 86,219,740 (GRCm39) missense probably damaging 1.00
R5734:Gpt2 UTSW 8 86,249,885 (GRCm39) missense probably benign 0.17
R5924:Gpt2 UTSW 8 86,219,633 (GRCm39) missense probably damaging 1.00
R6371:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6651:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6652:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6895:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6898:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6923:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6955:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R6956:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7112:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7113:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7115:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7124:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7125:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7327:Gpt2 UTSW 8 86,244,681 (GRCm39) missense probably benign 0.03
R7486:Gpt2 UTSW 8 86,252,235 (GRCm39) missense probably damaging 0.98
R7582:Gpt2 UTSW 8 86,246,145 (GRCm39) missense probably damaging 1.00
R7986:Gpt2 UTSW 8 86,235,839 (GRCm39) nonsense probably null
R8274:Gpt2 UTSW 8 86,242,853 (GRCm39) missense probably benign 0.38
R8376:Gpt2 UTSW 8 86,219,694 (GRCm39) missense probably benign 0.00
X0058:Gpt2 UTSW 8 86,244,648 (GRCm39) missense possibly damaging 0.50
Predicted Primers PCR Primer
(F):5'- ACTTCATTGCGTTGGTCAGG -3'
(R):5'- TGCCTAGGACGTTCTCTATGGC -3'

Sequencing Primer
(F):5'- AGCCTGTAGCCATGACTGGAG -3'
(R):5'- AGGACGTTCTCTATGGCTCTAGAAC -3'
Posted On 2014-10-16