Incidental Mutation 'R4209:Ap3b2'
ID 319068
Institutional Source Beutler Lab
Gene Symbol Ap3b2
Ensembl Gene ENSMUSG00000062444
Gene Name adaptor-related protein complex 3, beta 2 subunit
Synonyms Naptb, beta3B
MMRRC Submission 041038-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.105) question?
Stock # R4209 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 81110147-81143673 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 81126884 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Serine at position 289 (A289S)
Ref Sequence ENSEMBL: ENSMUSP00000080739 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082090] [ENSMUST00000152355]
AlphaFold Q9JME5
Predicted Effect probably benign
Transcript: ENSMUST00000082090
AA Change: A289S

PolyPhen 2 Score 0.016 (Sensitivity: 0.95; Specificity: 0.79)
SMART Domains Protein: ENSMUSP00000080739
Gene: ENSMUSG00000062444
AA Change: A289S

DomainStartEndE-ValueType
Pfam:Adaptin_N 34 590 8.2e-182 PFAM
low complexity region 689 782 N/A INTRINSIC
AP3B1_C 801 947 4.58e-75 SMART
Blast:B2 971 1080 2e-12 BLAST
Predicted Effect noncoding transcript
Transcript: ENSMUST00000119121
SMART Domains Protein: ENSMUSP00000114032
Gene: ENSMUSG00000062444

DomainStartEndE-ValueType
Pfam:Adaptin_N 34 122 5.6e-32 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125634
Predicted Effect probably benign
Transcript: ENSMUST00000152355
AA Change: A289S

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
Meta Mutation Damage Score 0.1015 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.4%
Validation Efficiency 98% (45/46)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Adaptor protein complex 3 (AP-3 complex) is a heterotrimeric protein complex involved in the formation of clathrin-coated synaptic vesicles. The protein encoded by this gene represents the beta subunit of the neuron-specific AP-3 complex and was first identified as the target antigen in human paraneoplastic neurologic disorders. The encoded subunit binds clathrin and is phosphorylated by a casein kinase-like protein, which mediates synaptic vesicle coat assembly. Defects in this gene are a cause of early-onset epileptic encephalopathy. [provided by RefSeq, Feb 2017]
PHENOTYPE: Disruption does not alter pigmentation, but causes hyperactivity and tonic-clonic seizures and mice homozygous for a knock-out allele were found to have significantly reduced synaptic zinc levels throughout the brain, with the largest reduction observed in the CA1 stratum oriens. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2fm3 A T 3: 59,784,577 (GRCm39) Y350F probably damaging Het
Ahnak G A 19: 8,979,964 (GRCm39) G416D probably damaging Het
Arhgap23 C A 11: 97,345,322 (GRCm39) T657K probably damaging Het
Bcl9 A G 3: 97,117,269 (GRCm39) L475P probably damaging Het
Bean1 T A 8: 104,940,566 (GRCm39) M1K probably null Het
Cand1 T A 10: 119,047,463 (GRCm39) I676F probably benign Het
Casp3 G T 8: 47,088,423 (GRCm39) D107Y probably damaging Het
Cops4 T A 5: 100,695,352 (GRCm39) probably benign Het
Dchs1 A T 7: 105,415,397 (GRCm39) D626E probably damaging Het
Dpysl2 T C 14: 67,052,926 (GRCm39) S308G probably damaging Het
Fezf1 T C 6: 23,246,616 (GRCm39) K323E probably damaging Het
Gm10272 T C 10: 77,542,665 (GRCm39) V69A possibly damaging Het
Gtf2f1 A G 17: 57,318,003 (GRCm39) V11A probably benign Het
Hnf4a T C 2: 163,410,809 (GRCm39) S378P probably benign Het
Inpp5j T G 11: 3,451,107 (GRCm39) H514P probably damaging Het
Irf8 T A 8: 121,480,208 (GRCm39) Y149N probably damaging Het
Kel C T 6: 41,675,359 (GRCm39) W297* probably null Het
Man1c1 G C 4: 134,430,749 (GRCm39) P11R probably damaging Het
Mcpt8 G A 14: 56,321,375 (GRCm39) H30Y probably damaging Het
Mycl G T 4: 122,893,715 (GRCm39) V172L possibly damaging Het
Pcgf5 C A 19: 36,414,740 (GRCm39) N26K possibly damaging Het
Ppp2r2a A G 14: 67,266,328 (GRCm39) L111S probably damaging Het
Prdm2 T C 4: 142,861,007 (GRCm39) D761G probably damaging Het
Sec11a A T 7: 80,584,790 (GRCm39) I49N probably damaging Het
Sesn3 T C 9: 14,217,505 (GRCm39) I30T probably benign Het
Slc22a21 A G 11: 53,846,881 (GRCm39) S331P probably benign Het
Slc38a3 T G 9: 107,532,547 (GRCm39) S358R possibly damaging Het
Slc9a5 A G 8: 106,085,103 (GRCm39) N535D possibly damaging Het
Spns2 T C 11: 72,345,012 (GRCm39) D492G probably benign Het
Tcn2 T C 11: 3,872,114 (GRCm39) K338E possibly damaging Het
Tdp1 C A 12: 99,864,588 (GRCm39) A243E probably damaging Het
Tex16 T A X: 111,030,640 (GRCm39) D1046E probably benign Het
Tmem120a T C 5: 135,764,559 (GRCm39) N340S probably benign Het
Tnik A T 3: 28,413,214 (GRCm39) probably benign Het
Trim36 A G 18: 46,329,191 (GRCm39) L71P probably benign Het
Tube1 A G 10: 39,020,930 (GRCm39) probably null Het
Urgcp C A 11: 5,665,878 (GRCm39) G820V probably damaging Het
Veph1 A T 3: 66,151,967 (GRCm39) L154Q probably damaging Het
Vmn1r113 T C 7: 20,521,535 (GRCm39) V109A probably benign Het
Vmn1r152 A T 7: 22,223,004 (GRCm39) T205S possibly damaging Het
Wdsub1 G A 2: 59,707,149 (GRCm39) P28S probably damaging Het
Ybx2 G T 11: 69,826,767 (GRCm39) probably benign Het
Zfyve1 A T 12: 83,621,909 (GRCm39) V162E probably damaging Het
Other mutations in Ap3b2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00772:Ap3b2 APN 7 81,121,697 (GRCm39) missense probably damaging 0.98
IGL01695:Ap3b2 APN 7 81,126,687 (GRCm39) splice site probably benign
IGL01876:Ap3b2 APN 7 81,123,602 (GRCm39) splice site probably null
IGL02132:Ap3b2 APN 7 81,110,746 (GRCm39) missense unknown
IGL02227:Ap3b2 APN 7 81,123,152 (GRCm39) missense probably damaging 1.00
IGL02660:Ap3b2 APN 7 81,115,446 (GRCm39) missense probably benign 0.13
R0045:Ap3b2 UTSW 7 81,115,941 (GRCm39) missense possibly damaging 0.82
R0045:Ap3b2 UTSW 7 81,115,941 (GRCm39) missense possibly damaging 0.82
R0142:Ap3b2 UTSW 7 81,122,828 (GRCm39) missense probably damaging 0.96
R0317:Ap3b2 UTSW 7 81,113,429 (GRCm39) splice site probably null
R0568:Ap3b2 UTSW 7 81,114,377 (GRCm39) critical splice donor site probably null
R1035:Ap3b2 UTSW 7 81,113,659 (GRCm39) missense unknown
R1121:Ap3b2 UTSW 7 81,113,943 (GRCm39) missense unknown
R1160:Ap3b2 UTSW 7 81,115,917 (GRCm39) critical splice donor site probably null
R1489:Ap3b2 UTSW 7 81,113,438 (GRCm39) nonsense probably null
R1542:Ap3b2 UTSW 7 81,127,825 (GRCm39) splice site probably null
R1652:Ap3b2 UTSW 7 81,123,147 (GRCm39) missense probably damaging 1.00
R1741:Ap3b2 UTSW 7 81,117,347 (GRCm39) missense possibly damaging 0.95
R1872:Ap3b2 UTSW 7 81,113,898 (GRCm39) missense unknown
R2065:Ap3b2 UTSW 7 81,113,522 (GRCm39) missense unknown
R2353:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R2354:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R2398:Ap3b2 UTSW 7 81,126,943 (GRCm39) missense probably damaging 0.99
R3421:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3710:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3932:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R3933:Ap3b2 UTSW 7 81,123,598 (GRCm39) unclassified probably benign
R4152:Ap3b2 UTSW 7 81,127,765 (GRCm39) missense probably damaging 1.00
R4732:Ap3b2 UTSW 7 81,121,680 (GRCm39) missense probably damaging 1.00
R4733:Ap3b2 UTSW 7 81,121,680 (GRCm39) missense probably damaging 1.00
R4841:Ap3b2 UTSW 7 81,127,678 (GRCm39) missense probably damaging 1.00
R5207:Ap3b2 UTSW 7 81,126,517 (GRCm39) missense possibly damaging 0.48
R5659:Ap3b2 UTSW 7 81,126,500 (GRCm39) missense probably damaging 0.98
R6109:Ap3b2 UTSW 7 81,143,340 (GRCm39) missense possibly damaging 0.55
R6223:Ap3b2 UTSW 7 81,123,210 (GRCm39) nonsense probably null
R6901:Ap3b2 UTSW 7 81,134,660 (GRCm39) critical splice acceptor site probably null
R6981:Ap3b2 UTSW 7 81,127,741 (GRCm39) missense probably damaging 1.00
R7061:Ap3b2 UTSW 7 81,110,757 (GRCm39) missense unknown
R7317:Ap3b2 UTSW 7 81,110,776 (GRCm39) missense unknown
R7501:Ap3b2 UTSW 7 81,123,194 (GRCm39) missense probably damaging 0.99
R7543:Ap3b2 UTSW 7 81,115,894 (GRCm39) splice site probably null
R7643:Ap3b2 UTSW 7 81,126,820 (GRCm39) missense probably benign 0.24
R7707:Ap3b2 UTSW 7 81,126,530 (GRCm39) missense possibly damaging 0.60
R8111:Ap3b2 UTSW 7 81,113,530 (GRCm39) missense unknown
R8273:Ap3b2 UTSW 7 81,112,990 (GRCm39) missense unknown
R8325:Ap3b2 UTSW 7 81,134,237 (GRCm39) splice site probably null
R8355:Ap3b2 UTSW 7 81,122,851 (GRCm39) missense probably damaging 1.00
R8697:Ap3b2 UTSW 7 81,122,783 (GRCm39) missense possibly damaging 0.91
R8716:Ap3b2 UTSW 7 81,126,901 (GRCm39) missense probably benign 0.03
R8923:Ap3b2 UTSW 7 81,126,931 (GRCm39) missense probably benign 0.08
R9002:Ap3b2 UTSW 7 81,117,192 (GRCm39) missense probably benign 0.02
R9163:Ap3b2 UTSW 7 81,113,546 (GRCm39) missense unknown
R9304:Ap3b2 UTSW 7 81,113,019 (GRCm39) missense unknown
R9321:Ap3b2 UTSW 7 81,114,252 (GRCm39) critical splice acceptor site probably null
R9413:Ap3b2 UTSW 7 81,127,757 (GRCm39) missense possibly damaging 0.45
R9459:Ap3b2 UTSW 7 81,123,651 (GRCm39) missense probably benign 0.16
R9746:Ap3b2 UTSW 7 81,126,092 (GRCm39) missense probably damaging 1.00
X0013:Ap3b2 UTSW 7 81,112,988 (GRCm39) critical splice donor site probably null
X0028:Ap3b2 UTSW 7 81,113,512 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TTAGCCAAACAGCTGGGAGG -3'
(R):5'- AGAATGTGAGCACGAGGTTC -3'

Sequencing Primer
(F):5'- CAGGGCTCTCTGTACCTGTG -3'
(R):5'- TGTGAGCACGAGGTTCCCAAC -3'
Posted On 2015-06-10