Incidental Mutation 'R0570:Abca2'
ID 46344
Institutional Source Beutler Lab
Gene Symbol Abca2
Ensembl Gene ENSMUSG00000026944
Gene Name ATP-binding cassette, sub-family A member 2
Synonyms Abc2, D2H0S1474E
MMRRC Submission 038761-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R0570 (G1)
Quality Score 164
Status Validated
Chromosome 2
Chromosomal Location 25318715-25338552 bp(+) (GRCm39)
Type of Mutation splice site (5 bp from exon)
DNA Base Change (assembly) G to T at 25337417 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000099983 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000102919]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000102919
SMART Domains Protein: ENSMUSP00000099983
Gene: ENSMUSG00000026944

DomainStartEndE-ValueType
transmembrane domain 21 40 N/A INTRINSIC
low complexity region 119 130 N/A INTRINSIC
low complexity region 220 237 N/A INTRINSIC
coiled coil region 271 296 N/A INTRINSIC
low complexity region 309 346 N/A INTRINSIC
Pfam:ABC2_membrane_3 493 911 9.7e-18 PFAM
AAA 1015 1197 9.22e-7 SMART
low complexity region 1364 1376 N/A INTRINSIC
low complexity region 1589 1607 N/A INTRINSIC
Pfam:ABC2_membrane_3 1696 2008 2.3e-44 PFAM
AAA 2079 2264 1.12e-5 SMART
low complexity region 2375 2394 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125520
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141065
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143075
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144560
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149385
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150550
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199405
Meta Mutation Damage Score 0.9755 question?
Coding Region Coverage
  • 1x: 99.6%
  • 3x: 98.9%
  • 10x: 97.0%
  • 20x: 94.3%
Validation Efficiency 100% (85/85)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The membrane-associated protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intracellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the ABC1 subfamily. Members of the ABC1 subfamily comprise the only major ABC subfamily found exclusively in multicellular eukaryotes. This protein is highly expressed in brain tissue and may play a role in macrophage lipid metabolism and neural development. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Null mice show tremors, hyperactivity, abnormal coordination, and alterations in CNS myelin sheath ultrastructure, [provided by MGI curators]
Allele List at MGI

All alleles(4) : Targeted(4)

Other mutations in this stock
Total: 85 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700067K01Rik C A 8: 84,729,733 (GRCm39) probably benign Het
Aadacl3 C T 4: 144,190,130 (GRCm39) W57* probably null Het
Abca3 A G 17: 24,593,373 (GRCm39) I257V probably benign Het
Adamts2 A G 11: 50,666,963 (GRCm39) D420G probably damaging Het
Adamts5 A G 16: 85,696,135 (GRCm39) F341L probably damaging Het
Ahnak T A 19: 8,991,062 (GRCm39) D4115E probably damaging Het
Arhgap20 T C 9: 51,751,751 (GRCm39) S365P possibly damaging Het
Atrn G A 2: 130,822,054 (GRCm39) V916I probably benign Het
Blmh T C 11: 76,856,651 (GRCm39) V82A probably damaging Het
C1ra A T 6: 124,490,664 (GRCm39) Y19F probably benign Het
Cactin A G 10: 81,159,067 (GRCm39) E306G probably damaging Het
Celsr1 C T 15: 85,787,566 (GRCm39) R2724Q probably benign Het
Clca4b T C 3: 144,631,110 (GRCm39) E250G probably benign Het
Col17a1 A T 19: 47,654,317 (GRCm39) S647T possibly damaging Het
Cope T A 8: 70,759,181 (GRCm39) D74E probably damaging Het
Dsg1c T C 18: 20,403,435 (GRCm39) I198T probably damaging Het
Elfn2 T C 15: 78,557,434 (GRCm39) N371S probably damaging Het
Elmo2 G T 2: 165,146,839 (GRCm39) A246D probably benign Het
Ewsr1 A T 11: 5,035,935 (GRCm39) M187K possibly damaging Het
Faap100 A T 11: 120,265,114 (GRCm39) S587R possibly damaging Het
Fam234b C T 6: 135,186,247 (GRCm39) S85L probably benign Het
Fanca A T 8: 124,033,169 (GRCm39) S292R probably benign Het
Fanci G A 7: 79,093,711 (GRCm39) C1021Y probably damaging Het
Fhod3 T C 18: 25,245,640 (GRCm39) I1230T probably benign Het
Fmo5 T C 3: 97,536,456 (GRCm39) L27S probably damaging Het
Fmo9 A G 1: 166,502,031 (GRCm39) V147A probably null Het
Fnbp4 A G 2: 90,583,301 (GRCm39) Y309C probably damaging Het
Foxb1 T C 9: 69,666,844 (GRCm39) T229A probably benign Het
Gapvd1 A G 2: 34,618,552 (GRCm39) Y274H probably damaging Het
Gbp8 T C 5: 105,165,541 (GRCm39) probably null Het
Gcn1 T A 5: 115,730,480 (GRCm39) L888Q probably damaging Het
Gm17490 T C 2: 11,630,460 (GRCm39) probably benign Het
Gtf2ird2 T A 5: 134,237,785 (GRCm39) probably null Het
H2-Q1 A G 17: 35,540,373 (GRCm39) T153A possibly damaging Het
Ina A C 19: 47,011,938 (GRCm39) E452A probably benign Het
Kars1 A G 8: 112,721,494 (GRCm39) probably null Het
Kif1c A G 11: 70,595,291 (GRCm39) E124G probably damaging Het
Lpin3 T C 2: 160,745,944 (GRCm39) probably benign Het
Lrp1 A T 10: 127,390,878 (GRCm39) C3006* probably null Het
Lyst T C 13: 13,883,971 (GRCm39) L2953P probably benign Het
Mb21d2 G A 16: 28,748,324 (GRCm39) A31V probably benign Het
Melk T C 4: 44,308,906 (GRCm39) Y88H probably damaging Het
Myrf A G 19: 10,189,161 (GRCm39) S857P probably damaging Het
Nos2 A G 11: 78,826,187 (GRCm39) I153M possibly damaging Het
Or4n4 T G 14: 50,519,370 (GRCm39) L113F probably benign Het
Otof A G 5: 30,529,225 (GRCm39) probably benign Het
Patl2 A G 2: 121,955,789 (GRCm39) V249A probably damaging Het
Pcgf5 A G 19: 36,389,580 (GRCm39) Y19C probably benign Het
Pcnt A T 10: 76,247,941 (GRCm39) V951E probably damaging Het
Pcolce2 T C 9: 95,520,710 (GRCm39) V29A probably benign Het
Pdgfrb A T 18: 61,210,775 (GRCm39) M761L probably benign Het
Pi16 A T 17: 29,538,189 (GRCm39) M1L possibly damaging Het
Pkd2 T A 5: 104,603,471 (GRCm39) probably benign Het
Plcb2 A G 2: 118,547,806 (GRCm39) W474R probably benign Het
Psapl1 A G 5: 36,361,624 (GRCm39) D72G possibly damaging Het
Ptpn5 T A 7: 46,728,681 (GRCm39) probably benign Het
Ptprg A G 14: 12,215,896 (GRCm38) E1115G probably damaging Het
Rassf1 C T 9: 107,435,165 (GRCm39) T224I probably damaging Het
Rbpms2 T A 9: 65,566,476 (GRCm39) C168* probably null Het
Rhag A G 17: 41,139,804 (GRCm39) probably benign Het
Rhebl1 C T 15: 98,779,034 (GRCm39) V17I probably benign Het
Rnf130 A T 11: 49,986,703 (GRCm39) D349V possibly damaging Het
Rprd1a A G 18: 24,642,952 (GRCm39) L60P probably damaging Het
Rspry1 T C 8: 95,356,420 (GRCm39) I25T probably damaging Het
Ruvbl2 C T 7: 45,071,621 (GRCm39) V421M probably damaging Het
Sap30 T C 8: 57,936,000 (GRCm39) N209D possibly damaging Het
Sfswap T C 5: 129,581,042 (GRCm39) probably benign Het
Slc1a2 G A 2: 102,586,352 (GRCm39) V319M probably damaging Het
Smad2 T C 18: 76,422,250 (GRCm39) probably benign Het
Spdya T C 17: 71,869,585 (GRCm39) probably null Het
Stk39 G A 2: 68,240,392 (GRCm39) T113M probably damaging Het
Tanc1 A G 2: 59,626,382 (GRCm39) probably benign Het
Tas2r122 T C 6: 132,688,774 (GRCm39) K40E probably damaging Het
Tph2 G T 10: 115,010,039 (GRCm39) probably benign Het
Trip12 G A 1: 84,729,269 (GRCm39) S1083F probably damaging Het
Tsc2 A T 17: 24,845,701 (GRCm39) C206S probably damaging Het
Tsc22d4 A G 5: 137,760,681 (GRCm39) Q34R possibly damaging Het
Uroc1 G T 6: 90,315,546 (GRCm39) M142I possibly damaging Het
Uso1 T C 5: 92,347,682 (GRCm39) S766P probably benign Het
Usp21 G A 1: 171,111,319 (GRCm39) probably benign Het
Usp48 T A 4: 137,360,437 (GRCm39) I658K possibly damaging Het
Vmn1r206 T C 13: 22,804,583 (GRCm39) H208R probably damaging Het
Vmn2r109 C T 17: 20,760,937 (GRCm39) A807T probably damaging Het
Zfp329 A T 7: 12,544,379 (GRCm39) C382S probably damaging Het
Zfp341 A G 2: 154,487,988 (GRCm39) E817G probably benign Het
Other mutations in Abca2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00093:Abca2 APN 2 25,335,975 (GRCm39) splice site probably null
IGL01102:Abca2 APN 2 25,323,968 (GRCm39) splice site probably benign
IGL01322:Abca2 APN 2 25,336,794 (GRCm39) splice site probably null
IGL01402:Abca2 APN 2 25,332,015 (GRCm39) missense probably damaging 1.00
IGL01419:Abca2 APN 2 25,327,526 (GRCm39) missense probably damaging 1.00
IGL01490:Abca2 APN 2 25,336,023 (GRCm39) missense probably damaging 1.00
IGL01633:Abca2 APN 2 25,334,406 (GRCm39) missense possibly damaging 0.66
IGL01661:Abca2 APN 2 25,333,007 (GRCm39) missense probably benign 0.01
IGL01804:Abca2 APN 2 25,336,637 (GRCm39) missense probably damaging 1.00
IGL01933:Abca2 APN 2 25,334,123 (GRCm39) missense probably damaging 1.00
IGL01941:Abca2 APN 2 25,333,107 (GRCm39) missense probably benign 0.02
IGL02158:Abca2 APN 2 25,337,891 (GRCm39) utr 3 prime probably benign
IGL02173:Abca2 APN 2 25,331,909 (GRCm39) missense probably benign 0.00
IGL02419:Abca2 APN 2 25,336,849 (GRCm39) missense probably benign
IGL02532:Abca2 APN 2 25,325,148 (GRCm39) missense probably benign 0.03
IGL02572:Abca2 APN 2 25,323,329 (GRCm39) missense possibly damaging 0.95
Abseiling UTSW 2 25,337,015 (GRCm39) missense possibly damaging 0.65
R0126:Abca2 UTSW 2 25,333,742 (GRCm39) missense possibly damaging 0.88
R0140:Abca2 UTSW 2 25,328,097 (GRCm39) critical splice donor site probably null
R0372:Abca2 UTSW 2 25,327,365 (GRCm39) missense probably damaging 1.00
R0437:Abca2 UTSW 2 25,332,857 (GRCm39) missense probably damaging 0.99
R0505:Abca2 UTSW 2 25,324,906 (GRCm39) missense probably benign 0.22
R1037:Abca2 UTSW 2 25,328,240 (GRCm39) splice site probably benign
R1283:Abca2 UTSW 2 25,336,701 (GRCm39) missense probably damaging 1.00
R1448:Abca2 UTSW 2 25,330,542 (GRCm39) missense possibly damaging 0.73
R1464:Abca2 UTSW 2 25,337,846 (GRCm39) splice site probably benign
R1468:Abca2 UTSW 2 25,331,308 (GRCm39) missense probably damaging 0.99
R1468:Abca2 UTSW 2 25,331,308 (GRCm39) missense probably damaging 0.99
R1480:Abca2 UTSW 2 25,323,409 (GRCm39) missense possibly damaging 0.60
R1545:Abca2 UTSW 2 25,332,370 (GRCm39) missense probably benign 0.17
R1562:Abca2 UTSW 2 25,336,331 (GRCm39) missense probably benign 0.43
R1569:Abca2 UTSW 2 25,329,197 (GRCm39) missense probably benign 0.45
R1586:Abca2 UTSW 2 25,337,228 (GRCm39) missense probably damaging 0.98
R1635:Abca2 UTSW 2 25,334,868 (GRCm39) missense probably benign 0.03
R1699:Abca2 UTSW 2 25,337,363 (GRCm39) missense possibly damaging 0.80
R1754:Abca2 UTSW 2 25,324,345 (GRCm39) missense probably benign 0.01
R1760:Abca2 UTSW 2 25,333,055 (GRCm39) missense probably benign 0.00
R2040:Abca2 UTSW 2 25,333,817 (GRCm39) missense probably damaging 1.00
R2067:Abca2 UTSW 2 25,327,517 (GRCm39) missense possibly damaging 0.88
R2111:Abca2 UTSW 2 25,327,517 (GRCm39) missense possibly damaging 0.88
R2248:Abca2 UTSW 2 25,323,476 (GRCm39) splice site probably benign
R2323:Abca2 UTSW 2 25,335,187 (GRCm39) missense probably benign 0.00
R2418:Abca2 UTSW 2 25,328,001 (GRCm39) missense probably benign 0.22
R2419:Abca2 UTSW 2 25,328,001 (GRCm39) missense probably benign 0.22
R3816:Abca2 UTSW 2 25,336,083 (GRCm39) missense probably damaging 1.00
R4180:Abca2 UTSW 2 25,331,590 (GRCm39) missense possibly damaging 0.58
R4431:Abca2 UTSW 2 25,332,864 (GRCm39) missense probably benign
R4468:Abca2 UTSW 2 25,334,914 (GRCm39) missense probably damaging 1.00
R4704:Abca2 UTSW 2 25,333,424 (GRCm39) missense probably damaging 0.99
R4839:Abca2 UTSW 2 25,330,921 (GRCm39) missense probably damaging 0.99
R4933:Abca2 UTSW 2 25,334,839 (GRCm39) missense probably benign 0.25
R4970:Abca2 UTSW 2 25,328,383 (GRCm39) missense probably damaging 1.00
R4971:Abca2 UTSW 2 25,332,006 (GRCm39) missense probably damaging 0.97
R5112:Abca2 UTSW 2 25,328,383 (GRCm39) missense probably damaging 1.00
R5327:Abca2 UTSW 2 25,335,686 (GRCm39) missense probably damaging 1.00
R5378:Abca2 UTSW 2 25,336,080 (GRCm39) missense probably damaging 1.00
R5648:Abca2 UTSW 2 25,326,510 (GRCm39) critical splice donor site probably null
R5725:Abca2 UTSW 2 25,329,412 (GRCm39) missense probably damaging 0.98
R5825:Abca2 UTSW 2 25,326,748 (GRCm39) missense probably benign 0.36
R5837:Abca2 UTSW 2 25,323,371 (GRCm39) missense probably benign 0.34
R5840:Abca2 UTSW 2 25,323,371 (GRCm39) missense probably benign 0.34
R5851:Abca2 UTSW 2 25,332,322 (GRCm39) missense possibly damaging 0.58
R6262:Abca2 UTSW 2 25,334,922 (GRCm39) missense possibly damaging 0.56
R6344:Abca2 UTSW 2 25,327,706 (GRCm39) missense probably damaging 1.00
R6547:Abca2 UTSW 2 25,323,350 (GRCm39) missense possibly damaging 0.80
R6640:Abca2 UTSW 2 25,337,015 (GRCm39) missense possibly damaging 0.65
R6980:Abca2 UTSW 2 25,330,878 (GRCm39) missense possibly damaging 0.89
R6981:Abca2 UTSW 2 25,334,151 (GRCm39) missense probably damaging 1.00
R7070:Abca2 UTSW 2 25,333,007 (GRCm39) missense probably benign 0.06
R7080:Abca2 UTSW 2 25,336,116 (GRCm39) missense probably benign 0.37
R7187:Abca2 UTSW 2 25,327,733 (GRCm39) missense probably damaging 1.00
R7195:Abca2 UTSW 2 25,332,088 (GRCm39) missense probably benign 0.00
R7297:Abca2 UTSW 2 25,332,088 (GRCm39) missense probably benign 0.00
R7487:Abca2 UTSW 2 25,327,915 (GRCm39) missense probably benign 0.02
R7561:Abca2 UTSW 2 25,336,707 (GRCm39) missense probably damaging 0.98
R7766:Abca2 UTSW 2 25,331,540 (GRCm39) missense probably benign 0.04
R8084:Abca2 UTSW 2 25,323,979 (GRCm39) missense probably benign 0.32
R8150:Abca2 UTSW 2 25,337,393 (GRCm39) missense probably damaging 0.99
R8684:Abca2 UTSW 2 25,336,508 (GRCm39) missense possibly damaging 0.89
R8753:Abca2 UTSW 2 25,332,706 (GRCm39) missense probably damaging 0.99
R8970:Abca2 UTSW 2 25,335,728 (GRCm39) missense probably benign 0.12
R9057:Abca2 UTSW 2 25,331,584 (GRCm39) missense probably benign 0.05
R9378:Abca2 UTSW 2 25,329,094 (GRCm39) missense probably benign 0.02
R9502:Abca2 UTSW 2 25,326,895 (GRCm39) nonsense probably null
R9688:Abca2 UTSW 2 25,324,459 (GRCm39) missense possibly damaging 0.94
R9770:Abca2 UTSW 2 25,328,979 (GRCm39) critical splice donor site probably null
RF063:Abca2 UTSW 2 25,337,409 (GRCm39) missense probably damaging 1.00
RF064:Abca2 UTSW 2 25,337,409 (GRCm39) missense probably damaging 1.00
Z1176:Abca2 UTSW 2 25,334,122 (GRCm39) missense probably benign 0.39
Predicted Primers PCR Primer
(F):5'- TGGATTTGCCTGCACCACTCAC -3'
(R):5'- CACCACTGATCTGGGGTCTTCAAAG -3'

Sequencing Primer
(F):5'- CAGAGTGATAATGTGGAGCAGC -3'
(R):5'- CAAAGCTTGCAGTGAGTTCTG -3'
Protein Function and Prediction

Abca2 encodes ABCA2, a member of the A subfamily of ATP-binding cassette (ABC) transporters that function to translocate molecules across cellular membranes. ABCA2 functions in trafficking low-density lipoprotein (LDL)-derived free cholesterol (1). The ABCA2 protein has two transmembrane domains and two ABCs, the ABC consensus sequence is comprised of Walker A and Walker B motifs separated by 90-120 amino acids (2). Reverse transcriptase-PCR ELISA detected ABCA2 in all human adult and fetal tissues examined (lung, kidney, heart, liver, ovary, skeletal muscle, brain, pancreas, testis, spleen and liver); highest expression was in the brain and spinal cord (3). Additional studies determined that ABCA2 is most abundant in the central nervous system, ovary, and macrophages (4). ABCA2 colocalizes with the lysosomal/endosomal marker LAMP1 (4). ABCA2 expression has been linked with gene cluster patterns consistent with Alzheimer’s disease.

Abca2tm1Kdt/tm1Kdt; MGI: 3697467

involves: 129/Sv

Homozygotes exhibit decreased body weight compared to controls as well as increased fear-related responses, increased startle reflex to sound, tremors, impaired ability to counterbalance, hyperactivity, and increased rearing and climbing behavior (5). Homozygotes also have abnormal myeline sheath morphology: average myelin sheath thickness in the spinal cord is increased and there is reduced periodicity and compaction of myelin (5).

Abca2tm1Nina/tm1Nina; MGI: 3719855

involves: 129X1/SvJ * C57BL/6

Homozygotes exhibit increased morbidity/mortality when moved onto wet sawdust, tremors, impaired balance, abnormal sphingomyelin in their brain after growth stage, and increased levels of ganglioside GM1, cerebrosides and silfatide levels (6). In addition, homozygotes have decreased body weight (6). Female homozygotes have reduced female fertility (6).

References
Posted On 2013-06-11
Science Writer Anne Murray