Incidental Mutation 'R2354:Ap3b2'
ID 246826
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 040336-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.105) question?
Stock # R2354 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 81110147-81143673 bp(-) (GRCm39)
Type of Mutation unclassified
DNA Base Change (assembly) C to T at 81123598 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000146497 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000082090] [ENSMUST00000152355]
AlphaFold Q9JME5
Predicted Effect probably benign
Transcript: ENSMUST00000082090
SMART Domains Protein: ENSMUSP00000080739
Gene: ENSMUSG00000062444

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 0.0898 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.2%
Validation Efficiency 97% (34/35)
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: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
B4galt3 C A 1: 171,101,613 (GRCm39) H196N probably damaging Het
Bpifb9b C T 2: 154,153,662 (GRCm39) L243F probably benign Het
Cd226 A T 18: 89,265,107 (GRCm39) probably null Het
Cdh15 G A 8: 123,588,763 (GRCm39) R279Q probably damaging Het
Cep295 A G 9: 15,246,080 (GRCm39) I792T possibly damaging Het
Cfap46 T C 7: 139,240,962 (GRCm39) Y469C probably damaging Het
Col9a2 C G 4: 120,911,455 (GRCm39) R599G probably damaging Het
D630045J12Rik G A 6: 38,135,026 (GRCm39) P1385S possibly damaging Het
Ddb1 A T 19: 10,584,337 (GRCm39) M64L probably benign Het
Dyrk1b G A 7: 27,884,797 (GRCm39) R404Q possibly damaging Het
Gal3st2b A G 1: 93,867,508 (GRCm39) T52A probably damaging Het
Galk2 C A 2: 125,773,193 (GRCm39) S208R probably benign Het
Hap1 A T 11: 100,245,541 (GRCm39) I141N probably damaging Het
Hif3a T C 7: 16,775,030 (GRCm39) S523G probably damaging Het
Kirrel1 C T 3: 86,995,792 (GRCm39) V381I probably damaging Het
Lmbrd1 T C 1: 24,724,622 (GRCm39) S69P probably damaging Het
Lrriq1 C T 10: 103,025,848 (GRCm39) V925M probably damaging Het
Mmp16 A G 4: 18,112,001 (GRCm39) Y459C probably damaging Het
Mtr A G 13: 12,203,043 (GRCm39) probably benign Het
Nadk2 T A 15: 9,085,862 (GRCm39) I167N probably damaging Het
Neo1 A G 9: 58,892,917 (GRCm39) F242L probably benign Het
Pitpnm2 A T 5: 124,260,982 (GRCm39) V1010E probably damaging Het
Prp2rt G A 13: 97,235,309 (GRCm39) T146I probably damaging Het
Semp2l2b G T 10: 21,943,155 (GRCm39) T275K probably benign Het
Shox2 A G 3: 66,888,822 (GRCm39) I23T possibly damaging Het
Slc5a12 T C 2: 110,439,777 (GRCm39) V141A probably damaging Het
Sstr5 A G 17: 25,710,875 (GRCm39) I118T probably benign Het
Taar4 A G 10: 23,836,912 (GRCm39) N174S probably damaging Het
Tpcn2 C A 7: 144,810,955 (GRCm39) G581W probably damaging Het
Umod C T 7: 119,065,416 (GRCm39) V538M probably damaging Het
Vmn2r44 T G 7: 8,373,639 (GRCm39) S517R probably damaging Het
Zc3h12d G T 10: 7,743,702 (GRCm39) V491L probably benign Het
Zfp358 A T 8: 3,545,454 (GRCm39) H12L possibly damaging Het
Zkscan7 A G 9: 122,723,892 (GRCm39) D287G 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
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
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'- GACAACTCATCATGCCAGAGATTAAG -3'
(R):5'- AGAGCTGCCCTGAGTATTGC -3'

Sequencing Primer
(F):5'- TGGGGAACTATGATGTCTCCAAACC -3'
(R):5'- AGCTGCCCTGAGTATTGCTTTCTAG -3'
Posted On 2014-10-30