Incidental Mutation 'R5100:Ap3m2'
ID 388220
Institutional Source Beutler Lab
Gene Symbol Ap3m2
Ensembl Gene ENSMUSG00000031539
Gene Name adaptor-related protein complex 3, mu 2 subunit
Synonyms 5830445E16Rik, AP-3B
MMRRC Submission 042689-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5100 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 23277370-23295638 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 23279404 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Leucine at position 408 (M408L)
Ref Sequence ENSEMBL: ENSMUSP00000147967 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000163739] [ENSMUST00000210656]
AlphaFold Q8R2R9
Predicted Effect probably benign
Transcript: ENSMUST00000163739
AA Change: M408L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000128446
Gene: ENSMUSG00000031539
AA Change: M408L

DomainStartEndE-ValueType
Pfam:Clat_adaptor_s 1 137 2.7e-8 PFAM
Pfam:Adap_comp_sub 165 418 1.3e-76 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000210148
Predicted Effect probably benign
Transcript: ENSMUST00000210656
AA Change: M408L

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a subunit of the heterotetrameric adaptor-related protein comlex 3 (AP-3), which belongs to the adaptor complexes medium subunits family. The AP-3 complex plays a role in protein trafficking to lysosomes and specialized organelles. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Aug 2008]
PHENOTYPE: Homozygous null mice suffer from spontaneous recurrent epileptic seizures, are more susceptible to drug-induced seizures and show impaired GABA release, fewer synaptic vesicles, enhanced long-term potentiation, and abnormal propagation of neuronal excitability via the temporoammonic pathway. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933427D14Rik A T 11: 72,057,477 (GRCm39) M774K probably damaging Het
Adamts3 G A 5: 89,856,502 (GRCm39) T357I probably damaging Het
Apaf1 A T 10: 90,833,149 (GRCm39) N1116K probably benign Het
Arhgap31 A T 16: 38,421,821 (GRCm39) I1415N probably damaging Het
Arhgef17 A T 7: 100,530,963 (GRCm39) D1374E possibly damaging Het
Asxl1 C G 2: 153,239,851 (GRCm39) N546K probably damaging Het
Cobll1 T A 2: 64,956,245 (GRCm39) T337S probably benign Het
Depdc1a A T 3: 159,221,157 (GRCm39) I163L probably benign Het
Flrt3 T A 2: 140,513,304 (GRCm39) probably null Het
Foxn4 A T 5: 114,394,820 (GRCm39) L369H possibly damaging Het
Gm11992 T C 11: 9,011,290 (GRCm39) S244P probably damaging Het
Gm14412 C T 2: 177,006,908 (GRCm39) C329Y probably damaging Het
Gm4787 G C 12: 81,424,604 (GRCm39) T518S probably benign Het
Gm5113 G A 7: 29,878,076 (GRCm39) V55M probably damaging Het
Grhl3 A G 4: 135,269,986 (GRCm39) I599T probably benign Het
H2-Q6 G C 17: 35,644,296 (GRCm39) E93Q probably benign Het
Hk3 T C 13: 55,156,843 (GRCm39) T570A probably damaging Het
Hspb8 T C 5: 116,553,468 (GRCm39) I143M probably damaging Het
Kif15 A G 9: 122,821,059 (GRCm39) T655A probably damaging Het
Lpin2 G A 17: 71,550,965 (GRCm39) W708* probably null Het
Lrit1 T A 14: 36,784,171 (GRCm39) C500S possibly damaging Het
Macf1 A C 4: 123,368,261 (GRCm39) C602G probably benign Het
Mesd C T 7: 83,546,977 (GRCm39) R147C probably damaging Het
Mfge8 A T 7: 78,793,048 (GRCm39) D139E probably benign Het
Ncoa3 G A 2: 165,892,017 (GRCm39) R131Q probably damaging Het
Ncoa5 A G 2: 164,851,309 (GRCm39) I188T probably damaging Het
Ngp T C 9: 110,249,069 (GRCm39) L47P probably damaging Het
Nhlrc1 T C 13: 47,167,897 (GRCm39) H120R probably benign Het
Otos T A 1: 92,572,107 (GRCm39) H73L probably damaging Het
Pcsk5 C T 19: 17,492,499 (GRCm39) probably null Het
Phc3 T C 3: 30,976,348 (GRCm39) E740G possibly damaging Het
Pla2g7 T C 17: 43,922,267 (GRCm39) L382P probably damaging Het
Plcd3 C A 11: 102,969,175 (GRCm39) R264L probably benign Het
Pms2 A G 5: 143,865,006 (GRCm39) D696G probably damaging Het
Ptchd4 A T 17: 42,814,567 (GRCm39) I823F possibly damaging Het
Scn9a T C 2: 66,364,463 (GRCm39) R828G probably damaging Het
Spred2 T A 11: 19,971,291 (GRCm39) C386* probably null Het
Terb1 A T 8: 105,221,805 (GRCm39) L165* probably null Het
Tgm2 A T 2: 157,969,084 (GRCm39) S430R probably benign Het
Tnxb A T 17: 34,929,902 (GRCm39) I2879F probably damaging Het
Trpm3 T G 19: 22,896,130 (GRCm39) V977G probably damaging Het
Wnt5b A C 6: 119,417,449 (GRCm39) S139A probably benign Het
Zfp820 C A 17: 22,040,054 (GRCm39) V52L possibly damaging Het
Zfyve26 T A 12: 79,326,832 (GRCm39) R764* probably null Het
Other mutations in Ap3m2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00510:Ap3m2 APN 8 23,287,243 (GRCm39) splice site probably null
IGL01288:Ap3m2 APN 8 23,293,931 (GRCm39) missense probably benign
IGL01391:Ap3m2 APN 8 23,289,663 (GRCm39) missense probably benign 0.00
R0599:Ap3m2 UTSW 8 23,283,128 (GRCm39) missense possibly damaging 0.88
R1566:Ap3m2 UTSW 8 23,293,967 (GRCm39) missense probably damaging 1.00
R1576:Ap3m2 UTSW 8 23,298,483 (GRCm39) unclassified probably benign
R2917:Ap3m2 UTSW 8 23,289,815 (GRCm39) missense probably benign 0.00
R4884:Ap3m2 UTSW 8 23,293,997 (GRCm39) missense probably damaging 1.00
R4995:Ap3m2 UTSW 8 23,293,792 (GRCm39) missense probably benign 0.19
R5738:Ap3m2 UTSW 8 23,293,877 (GRCm39) missense possibly damaging 0.52
R7030:Ap3m2 UTSW 8 23,289,807 (GRCm39) missense probably damaging 0.99
R7378:Ap3m2 UTSW 8 23,294,026 (GRCm39) missense probably benign 0.31
R7602:Ap3m2 UTSW 8 23,282,770 (GRCm39) missense probably benign 0.00
R7732:Ap3m2 UTSW 8 23,287,105 (GRCm39) missense probably benign 0.00
R7866:Ap3m2 UTSW 8 23,289,674 (GRCm39) missense probably benign 0.02
R8288:Ap3m2 UTSW 8 23,283,153 (GRCm39) missense probably benign 0.03
R9181:Ap3m2 UTSW 8 23,289,774 (GRCm39) missense probably damaging 1.00
R9358:Ap3m2 UTSW 8 23,280,959 (GRCm39) missense possibly damaging 0.53
Z1177:Ap3m2 UTSW 8 23,281,337 (GRCm39) missense probably benign 0.06
Predicted Primers PCR Primer
(F):5'- ACTTATGTGGCTGAAGACGG -3'
(R):5'- GAAGTGAGATCGCTGAGCTG -3'

Sequencing Primer
(F):5'- CTTATGTGGCTGAAGACGGAGGAC -3'
(R):5'- ACAGGCTTGTTAAGACAGTCTC -3'
Posted On 2016-06-06