Incidental Mutation 'R8749:Ap3b1'
ID 663727
Institutional Source Beutler Lab
Gene Symbol Ap3b1
Ensembl Gene ENSMUSG00000021686
Gene Name adaptor-related protein complex 3, beta 1 subunit
Synonyms AP-3, Hps2, beta3A, rim2, recombination induced mutation 2
MMRRC Submission 068592-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.320) question?
Stock # R8749 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 94495468-94702825 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 94664725 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 888 (M888K)
Ref Sequence ENSEMBL: ENSMUSP00000022196 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022196]
AlphaFold Q9Z1T1
Predicted Effect unknown
Transcript: ENSMUST00000022196
AA Change: M888K
SMART Domains Protein: ENSMUSP00000022196
Gene: ENSMUSG00000021686
AA Change: M888K

DomainStartEndE-ValueType
low complexity region 10 24 N/A INTRINSIC
Pfam:Adaptin_N 39 586 1.2e-170 PFAM
Pfam:SEEEED 672 812 1.3e-27 PFAM
AP3B1_C 822 969 1.58e-78 SMART
Blast:B2 993 1103 2e-27 BLAST
Predicted Effect
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.9%
  • 20x: 99.7%
Validation Efficiency 100% (59/59)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a protein that may play a role in organelle biogenesis associated with melanosomes, platelet dense granules, and lysosomes. The encoded protein is part of the heterotetrameric AP-3 protein complex which interacts with the scaffolding protein clathrin. Mutations in this gene are associated with Hermansky-Pudlak syndrome type 2. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2012]
PHENOTYPE: Homozygous mutants exhibit hypopigmentation, elevated kidney levels of lysosomal enzymes, platelet storage pool deficiency, reduced ipsilateral projections from the retina to brain, reduced sensitivity of dark-adapted retina and shortened life span. [provided by MGI curators]
Allele List at MGI

All alleles(53) : Targeted(4) Gene trapped(34) Spontaneous(14) Chemically induced(1)

Other mutations in this stock
Total: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Akr1c12 C T 13: 4,320,155 (GRCm39) probably benign Het
Arhgap23 T A 11: 97,391,641 (GRCm39) V223E probably damaging Het
Atm C T 9: 53,410,497 (GRCm39) W1028* probably null Het
Atp7b A G 8: 22,518,334 (GRCm39) V168A probably damaging Het
Bach1 G A 16: 87,516,179 (GRCm39) R240Q probably benign Het
Caskin1 C T 17: 24,723,774 (GRCm39) A854V probably benign Het
Cdcp1 T C 9: 123,019,027 (GRCm39) N84S probably benign Het
Cdh20 T A 1: 110,027,009 (GRCm39) I475N probably damaging Het
Ciz1 A T 2: 32,255,848 (GRCm39) Y107F probably benign Het
Creb3l4 T C 3: 90,145,199 (GRCm39) N318D probably benign Het
Dmrt3 G A 19: 25,588,550 (GRCm39) A130T probably benign Het
Dmxl1 A T 18: 50,088,937 (GRCm39) K2805N probably damaging Het
Dusp15 T A 2: 152,788,209 (GRCm39) I63F probably damaging Het
Dync2h1 T C 9: 7,035,063 (GRCm39) Q3462R probably benign Het
Evpl A G 11: 116,120,232 (GRCm39) C569R probably benign Het
Fmnl3 A T 15: 99,219,322 (GRCm39) M766K possibly damaging Het
G6pc2 A G 2: 69,057,140 (GRCm39) N262S probably damaging Het
Galk1 A T 11: 115,899,762 (GRCm39) L325Q probably damaging Het
H3c3 T C 13: 23,929,108 (GRCm39) I125V probably benign Het
Hr G A 14: 70,795,510 (GRCm39) G352R probably damaging Het
Il12b A T 11: 44,294,864 (GRCm39) M1L not run Het
Lpar6 A T 14: 73,476,950 (GRCm39) M304L probably benign Het
Mpeg1 G A 19: 12,439,291 (GRCm39) A250T probably benign Het
Mtcl3 T C 10: 29,072,721 (GRCm39) I671T possibly damaging Het
Neb T C 2: 52,180,863 (GRCm39) K1221R probably benign Het
Ogfrl1 T A 1: 23,409,399 (GRCm39) I276F probably damaging Het
Or4f62 A G 2: 111,986,869 (GRCm39) D191G possibly damaging Het
Or4k37 T C 2: 111,158,817 (GRCm39) C18R possibly damaging Het
Or4x12-ps1 T C 2: 89,916,631 (GRCm39) Y58C probably damaging Het
Oxr1 A G 15: 41,574,260 (GRCm39) N2S probably benign Het
P3h3 G A 6: 124,822,940 (GRCm39) R505C probably damaging Het
Pcdhb16 A T 18: 37,612,392 (GRCm39) I451F possibly damaging Het
Pet117 C A 2: 144,215,122 (GRCm39) D36E probably benign Het
Prf1 T C 10: 61,138,948 (GRCm39) V302A probably damaging Het
Prkdc G A 16: 15,601,029 (GRCm39) A2897T possibly damaging Het
Prkra A G 2: 76,460,879 (GRCm39) L273P probably damaging Het
Prr30 T A 14: 101,436,365 (GRCm39) T66S probably benign Het
Slc29a4 A G 5: 142,700,819 (GRCm39) Y188C probably damaging Het
Spink5 A T 18: 44,122,425 (GRCm39) K297* probably null Het
Tcof1 G C 18: 60,962,123 (GRCm39) A702G possibly damaging Het
Tmem100 G A 11: 89,926,574 (GRCm39) A134T probably damaging Het
Tmem132c A G 5: 127,437,003 (GRCm39) D164G possibly damaging Het
Tnfsf18 A G 1: 161,331,047 (GRCm39) T66A possibly damaging Het
Ubr4 C T 4: 139,129,935 (GRCm39) T685I probably damaging Het
Uck1 T C 2: 32,146,524 (GRCm39) Y185C Het
Umod T A 7: 119,070,639 (GRCm39) I418F probably benign Het
Upp1 A T 11: 9,079,561 (GRCm39) S41C probably damaging Het
Vmn1r168 A T 7: 23,240,428 (GRCm39) Y95F probably benign Het
Vmn1r180 G T 7: 23,652,415 (GRCm39) D193Y probably damaging Het
Vmn2r11 A G 5: 109,195,319 (GRCm39) V669A probably damaging Het
Vmn2r55 T A 7: 12,385,796 (GRCm39) Y728F probably damaging Het
Vmn2r78 A G 7: 86,603,513 (GRCm39) T564A possibly damaging Het
Vps13d T A 4: 144,865,183 (GRCm39) N2057I Het
Wdfy3 C T 5: 102,030,446 (GRCm39) R2354Q probably damaging Het
Wdr77 T A 3: 105,866,975 (GRCm39) C26S probably damaging Het
Yif1b C T 7: 28,946,690 (GRCm39) A267V probably benign Het
Zfp316 A G 5: 143,248,565 (GRCm39) V227A unknown Het
Zfp600 T A 4: 146,133,151 (GRCm39) H606Q unknown Het
Zfp804a T C 2: 82,087,919 (GRCm39) W583R probably benign Het
Zfp961 T C 8: 72,719,686 (GRCm39) W39R probably damaging Het
Zfp990 T A 4: 145,264,156 (GRCm39) C385S probably damaging Het
Other mutations in Ap3b1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00660:Ap3b1 APN 13 94,527,371 (GRCm39) missense probably damaging 1.00
IGL00766:Ap3b1 APN 13 94,679,392 (GRCm39) splice site probably benign
IGL01784:Ap3b1 APN 13 94,630,247 (GRCm39) missense probably damaging 1.00
IGL01979:Ap3b1 APN 13 94,584,971 (GRCm39) nonsense probably null
IGL02040:Ap3b1 APN 13 94,545,353 (GRCm39) critical splice donor site probably null
IGL02119:Ap3b1 APN 13 94,598,911 (GRCm39) missense probably benign 0.01
IGL02247:Ap3b1 APN 13 94,531,303 (GRCm39) critical splice donor site probably null
IGL02303:Ap3b1 APN 13 94,664,827 (GRCm39) missense unknown
IGL02493:Ap3b1 APN 13 94,540,528 (GRCm39) missense probably damaging 0.98
IGL02551:Ap3b1 APN 13 94,554,599 (GRCm39) missense probably damaging 0.99
IGL02651:Ap3b1 APN 13 94,613,529 (GRCm39) missense probably damaging 1.00
IGL02832:Ap3b1 APN 13 94,664,835 (GRCm39) missense unknown
IGL03033:Ap3b1 APN 13 94,585,003 (GRCm39) missense probably benign 0.15
IGL03101:Ap3b1 APN 13 94,591,906 (GRCm39) missense probably benign 0.00
bella UTSW 13 94,664,765 (GRCm39) missense unknown
bullet_gray UTSW 13 94,587,594 (GRCm39) critical splice donor site probably benign
cuttlefish UTSW 13 94,584,959 (GRCm39) critical splice acceptor site probably null
Gastropod UTSW 13 94,679,348 (GRCm39) missense unknown
razor UTSW 13 94,630,239 (GRCm39) missense unknown
Slime UTSW 13 94,540,586 (GRCm39) missense possibly damaging 0.51
slug UTSW 13 94,545,353 (GRCm39) critical splice donor site probably null
snail UTSW 13 94,616,393 (GRCm39) splice site probably benign
stalk UTSW 13 94,609,439 (GRCm39) critical splice donor site probably null
R0034:Ap3b1 UTSW 13 94,616,393 (GRCm39) splice site probably benign
R0265:Ap3b1 UTSW 13 94,630,189 (GRCm39) missense unknown
R0270:Ap3b1 UTSW 13 94,540,626 (GRCm39) splice site probably benign
R0346:Ap3b1 UTSW 13 94,582,479 (GRCm39) nonsense probably null
R0422:Ap3b1 UTSW 13 94,598,968 (GRCm39) missense probably damaging 0.99
R0496:Ap3b1 UTSW 13 94,609,446 (GRCm39) splice site probably benign
R0508:Ap3b1 UTSW 13 94,702,222 (GRCm39) missense unknown
R0764:Ap3b1 UTSW 13 94,616,387 (GRCm39) splice site probably benign
R1506:Ap3b1 UTSW 13 94,582,651 (GRCm39) splice site probably benign
R1593:Ap3b1 UTSW 13 94,638,435 (GRCm39) missense unknown
R1660:Ap3b1 UTSW 13 94,545,320 (GRCm39) missense probably damaging 0.98
R1735:Ap3b1 UTSW 13 94,630,225 (GRCm39) missense unknown
R1791:Ap3b1 UTSW 13 94,545,305 (GRCm39) missense possibly damaging 0.63
R1818:Ap3b1 UTSW 13 94,608,212 (GRCm39) missense possibly damaging 0.48
R2280:Ap3b1 UTSW 13 94,664,724 (GRCm39) missense unknown
R3031:Ap3b1 UTSW 13 94,702,151 (GRCm39) missense unknown
R3037:Ap3b1 UTSW 13 94,582,486 (GRCm39) critical splice donor site probably null
R4401:Ap3b1 UTSW 13 94,554,607 (GRCm39) missense probably damaging 1.00
R4402:Ap3b1 UTSW 13 94,554,607 (GRCm39) missense probably damaging 1.00
R4403:Ap3b1 UTSW 13 94,554,607 (GRCm39) missense probably damaging 1.00
R4532:Ap3b1 UTSW 13 94,702,243 (GRCm39) missense unknown
R4624:Ap3b1 UTSW 13 94,619,734 (GRCm39) missense unknown
R4626:Ap3b1 UTSW 13 94,540,586 (GRCm39) missense possibly damaging 0.51
R4754:Ap3b1 UTSW 13 94,540,468 (GRCm39) missense probably damaging 1.00
R4788:Ap3b1 UTSW 13 94,702,149 (GRCm39) missense unknown
R4847:Ap3b1 UTSW 13 94,608,287 (GRCm39) missense probably benign 0.15
R4886:Ap3b1 UTSW 13 94,609,313 (GRCm39) missense possibly damaging 0.50
R5096:Ap3b1 UTSW 13 94,616,357 (GRCm39) missense unknown
R5628:Ap3b1 UTSW 13 94,613,556 (GRCm39) missense unknown
R5671:Ap3b1 UTSW 13 94,664,765 (GRCm39) missense unknown
R5677:Ap3b1 UTSW 13 94,664,704 (GRCm39) missense unknown
R5862:Ap3b1 UTSW 13 94,684,278 (GRCm39) missense unknown
R5941:Ap3b1 UTSW 13 94,619,773 (GRCm39) missense probably damaging 0.96
R5941:Ap3b1 UTSW 13 94,576,781 (GRCm39) missense probably benign 0.02
R6043:Ap3b1 UTSW 13 94,613,501 (GRCm39) missense probably benign 0.09
R6212:Ap3b1 UTSW 13 94,630,207 (GRCm39) missense unknown
R6212:Ap3b1 UTSW 13 94,587,581 (GRCm39) missense probably damaging 1.00
R6301:Ap3b1 UTSW 13 94,664,803 (GRCm39) missense unknown
R6765:Ap3b1 UTSW 13 94,599,017 (GRCm39) missense probably benign 0.02
R6812:Ap3b1 UTSW 13 94,616,369 (GRCm39) missense unknown
R6888:Ap3b1 UTSW 13 94,545,299 (GRCm39) missense probably benign 0.42
R6901:Ap3b1 UTSW 13 94,554,650 (GRCm39) missense probably benign 0.00
R7157:Ap3b1 UTSW 13 94,668,542 (GRCm39) nonsense probably null
R7422:Ap3b1 UTSW 13 94,664,673 (GRCm39) missense unknown
R7642:Ap3b1 UTSW 13 94,613,540 (GRCm39) missense probably benign 0.19
R7710:Ap3b1 UTSW 13 94,587,581 (GRCm39) missense probably damaging 1.00
R7757:Ap3b1 UTSW 13 94,664,666 (GRCm39) splice site probably null
R7867:Ap3b1 UTSW 13 94,619,771 (GRCm39) missense unknown
R8492:Ap3b1 UTSW 13 94,531,294 (GRCm39) missense possibly damaging 0.60
R8706:Ap3b1 UTSW 13 94,545,353 (GRCm39) critical splice donor site probably null
R8876:Ap3b1 UTSW 13 94,540,586 (GRCm39) missense possibly damaging 0.51
R8889:Ap3b1 UTSW 13 94,679,348 (GRCm39) missense unknown
R8892:Ap3b1 UTSW 13 94,679,348 (GRCm39) missense unknown
R9065:Ap3b1 UTSW 13 94,608,223 (GRCm39) missense probably damaging 1.00
R9152:Ap3b1 UTSW 13 94,630,239 (GRCm39) missense unknown
R9152:Ap3b1 UTSW 13 94,609,439 (GRCm39) critical splice donor site probably null
R9166:Ap3b1 UTSW 13 94,608,236 (GRCm39) missense probably damaging 1.00
R9218:Ap3b1 UTSW 13 94,584,959 (GRCm39) critical splice acceptor site probably null
R9269:Ap3b1 UTSW 13 94,540,570 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTAACGTTTTAATGCTGCTTTGAGGC -3'
(R):5'- GATGAAAGGCATGCATCTGC -3'

Sequencing Primer
(F):5'- AATGCTGCTTTGAGGCATTTAC -3'
(R):5'- TCTGCATGCCCACAGGAAG -3'
Posted On 2021-03-08