Incidental Mutation 'R0142:Ap3b2'
ID 22378
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 038427-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.105) question?
Stock # R0142 (G1)
Quality Score 225
Status Validated (trace)
Chromosome 7
Chromosomal Location 81110147-81143673 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 81122828 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 470 (I470V)
Ref Sequence ENSEMBL: ENSMUSP00000080739 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082090] [ENSMUST00000152355]
AlphaFold Q9JME5
Predicted Effect probably damaging
Transcript: ENSMUST00000082090
AA Change: I470V

PolyPhen 2 Score 0.957 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000080739
Gene: ENSMUSG00000062444
AA Change: I470V

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: ENSMUST00000125634
Predicted Effect probably benign
Transcript: ENSMUST00000152355
Meta Mutation Damage Score 0.2376 question?
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 97.9%
  • 10x: 95.0%
  • 20x: 87.6%
Validation Efficiency 92% (61/66)
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: 64 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca6 T G 11: 110,079,467 (GRCm39) D1229A probably damaging Het
Abhd8 A C 8: 71,914,506 (GRCm39) F41V probably damaging Het
Ago4 T G 4: 126,410,725 (GRCm39) E222A probably benign Het
Bcl9l C T 9: 44,418,409 (GRCm39) T749M probably benign Het
Bicc1 T C 10: 70,761,200 (GRCm39) K937E probably damaging Het
Bmi1 G A 2: 18,688,095 (GRCm39) probably null Het
Boc A C 16: 44,310,604 (GRCm39) I772S probably damaging Het
Brd10 A G 19: 29,695,654 (GRCm39) S1347P possibly damaging Het
C2 T A 17: 35,092,504 (GRCm39) I178F possibly damaging Het
Cacna1c G T 6: 118,580,843 (GRCm39) A1416E probably damaging Het
Chst10 A G 1: 38,910,810 (GRCm39) L118P probably damaging Het
Crybg1 G A 10: 43,875,059 (GRCm39) T683I possibly damaging Het
Cul5 C T 9: 53,546,350 (GRCm39) V314I probably damaging Het
Dnajc17 C A 2: 119,010,415 (GRCm39) R211I probably benign Het
Emilin1 A G 5: 31,071,264 (GRCm39) T16A probably benign Het
Ercc6l2 A C 13: 64,020,320 (GRCm39) probably benign Het
Fsd2 T A 7: 81,209,683 (GRCm39) D53V probably damaging Het
Galnt13 A G 2: 54,988,615 (GRCm39) D479G probably damaging Het
Grk3 A T 5: 113,062,919 (GRCm39) W643R probably damaging Het
Hdgf G A 3: 87,820,416 (GRCm39) A4T possibly damaging Het
Hnrnpr T A 4: 136,054,593 (GRCm39) V182E probably damaging Het
Ipo13 A C 4: 117,762,766 (GRCm39) L279R probably damaging Het
Itga9 C A 9: 118,465,654 (GRCm39) N169K probably damaging Het
Jph3 A G 8: 122,480,110 (GRCm39) T263A possibly damaging Het
Jph4 G T 14: 55,345,783 (GRCm39) Q625K probably benign Het
Kctd3 A C 1: 188,728,595 (GRCm39) probably null Het
Kif26b A T 1: 178,742,954 (GRCm39) S570C probably damaging Het
Klhl5 G A 5: 65,300,693 (GRCm39) W164* probably null Het
Lacc1 A T 14: 77,268,239 (GRCm39) H357Q probably benign Het
Lama2 A G 10: 27,063,841 (GRCm39) I1316T probably benign Het
Lcp2 C T 11: 34,032,418 (GRCm39) P332L probably damaging Het
Map3k6 A T 4: 132,978,257 (GRCm39) H1033L probably benign Het
Mfsd2b A G 12: 4,916,234 (GRCm39) V252A probably benign Het
Myo16 T A 8: 10,619,790 (GRCm39) I1447N probably benign Het
Myo19 G A 11: 84,785,429 (GRCm39) R224H probably damaging Het
Myo5a C T 9: 75,067,856 (GRCm39) H637Y probably benign Het
Nek10 C T 14: 14,861,560 (GRCm38) R539C possibly damaging Het
Nfix A T 8: 85,448,315 (GRCm39) V404E probably damaging Het
Nr1i2 T C 16: 38,073,368 (GRCm39) R203G probably benign Het
Nup210l G A 3: 90,079,420 (GRCm39) G968D probably damaging Het
Or10q1 A T 19: 13,726,619 (GRCm39) I50F probably benign Het
Or2ag15 G T 7: 106,340,972 (GRCm39) H56Q probably benign Het
Or8b37 A T 9: 37,959,406 (GRCm39) H296L probably benign Het
Phlpp2 C T 8: 110,634,145 (GRCm39) R242W probably damaging Het
Plcz1 A G 6: 139,953,423 (GRCm39) F398S probably damaging Het
Ppfibp2 C A 7: 107,343,384 (GRCm39) P808T probably damaging Het
Srpk2 T C 5: 23,732,928 (GRCm39) K239E probably damaging Het
Svep1 A G 4: 58,118,232 (GRCm39) V830A probably benign Het
Tesc A T 5: 118,194,635 (GRCm39) I149F possibly damaging Het
Thsd7a A G 6: 12,418,334 (GRCm39) W632R probably damaging Het
Tmprss9 A G 10: 80,730,212 (GRCm39) D704G possibly damaging Het
Tob1 T C 11: 94,105,423 (GRCm39) Y320H probably damaging Het
Trpm3 G T 19: 22,965,280 (GRCm39) D1582Y probably damaging Het
Ttc28 A G 5: 111,425,323 (GRCm39) K1716R probably benign Het
Uqcrfs1 A G 13: 30,724,925 (GRCm39) V205A probably benign Het
Usp29 G A 7: 6,965,334 (GRCm39) M392I probably benign Het
Uspl1 A T 5: 149,125,159 (GRCm39) Y22F possibly damaging Het
Virma C A 4: 11,548,783 (GRCm39) N1780K probably benign Het
Vmn1r56 C T 7: 5,199,372 (GRCm39) A82T probably benign Het
Vmn2r5 A T 3: 64,400,009 (GRCm39) C553S probably damaging Het
Vwce A T 19: 10,641,976 (GRCm39) R901W probably damaging Het
Wdpcp C A 11: 21,807,444 (GRCm39) probably null Het
Zfp423 A T 8: 88,506,968 (GRCm39) C1000* probably null Het
Zscan20 A G 4: 128,479,630 (GRCm39) F954L probably benign 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
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
R4209:Ap3b2 UTSW 7 81,126,884 (GRCm39) missense probably benign 0.02
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'- TCGACCTGAAGAACATGCAGTGCC -3'
(R):5'- ACTGAGCTGTTTGAGAATTGCAGGG -3'

Sequencing Primer
(F):5'- accccacaacacacacac -3'
(R):5'- TGAGAATTGCAGGGGGCTG -3'
Posted On 2013-04-16