Incidental Mutation 'R2023:Erap1'
ID 220177
Institutional Source Beutler Lab
Gene Symbol Erap1
Ensembl Gene ENSMUSG00000021583
Gene Name endoplasmic reticulum aminopeptidase 1
Synonyms Arts1, PILSAP, ERAAP
MMRRC Submission 040032-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R2023 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 74787692-74841324 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 74814627 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 451 (V451E)
Ref Sequence ENSEMBL: ENSMUSP00000133166 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000169114] [ENSMUST00000221822] [ENSMUST00000222127]
AlphaFold Q9EQH2
Predicted Effect probably benign
Transcript: ENSMUST00000169114
AA Change: V451E

PolyPhen 2 Score 0.081 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000133166
Gene: ENSMUSG00000021583
AA Change: V451E

DomainStartEndE-ValueType
Pfam:Peptidase_M1 42 430 2.7e-135 PFAM
low complexity region 488 501 N/A INTRINSIC
Pfam:ERAP1_C 586 904 1.7e-64 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000220594
Predicted Effect noncoding transcript
Transcript: ENSMUST00000221606
Predicted Effect probably benign
Transcript: ENSMUST00000221822
Predicted Effect probably benign
Transcript: ENSMUST00000222127
Meta Mutation Damage Score 0.2088 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 92.4%
Validation Efficiency 97% (60/62)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is an aminopeptidase involved in trimming HLA class I-binding precursors so that they can be presented on MHC class I molecules. The encoded protein acts as a monomer or as a heterodimer with ERAP2. This protein may also be involved in blood pressure regulation by inactivation of angiotensin II. Three transcript variants encoding two different isoforms have been found for this gene.[provided by RefSeq, Oct 2010]
PHENOTYPE: Mice homozygous for a targeted mutation may exhibit extramedullary hematopoiesis of the spleen, thymus hyperplasia, or enlarged kidneys at older ages. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9930111J21Rik1 A G 11: 48,839,247 (GRCm39) S447P possibly damaging Het
9930111J21Rik2 A G 11: 48,911,144 (GRCm39) F430L probably benign Het
Acap2 A G 16: 30,938,233 (GRCm39) V297A probably damaging Het
Adam3 G A 8: 25,179,479 (GRCm39) R613C possibly damaging Het
Akt1 C T 12: 112,626,071 (GRCm39) R67Q probably benign Het
Ambp T C 4: 63,069,702 (GRCm39) Y108C probably damaging Het
Apob A G 12: 8,061,090 (GRCm39) I3158V probably benign Het
Bank1 T C 3: 136,031,679 (GRCm39) T8A probably benign Het
Casp8ap2 T C 4: 32,644,560 (GRCm39) V1211A probably benign Het
Ccdc88a G T 11: 29,413,546 (GRCm39) E695* probably null Het
Cep68 A C 11: 20,189,888 (GRCm39) S375A probably benign Het
Cfap44 A G 16: 44,236,375 (GRCm39) I417V probably benign Het
Chrna2 T A 14: 66,379,677 (GRCm39) H5Q probably benign Het
Cog7 A T 7: 121,536,193 (GRCm39) I549K probably damaging Het
Col28a1 C A 6: 8,083,783 (GRCm39) S558I possibly damaging Het
Cyp4f14 A G 17: 33,125,505 (GRCm39) I385T probably damaging Het
Dynlt4 A G 4: 116,985,504 (GRCm39) E109G possibly damaging Het
Frem1 G T 4: 82,831,795 (GRCm39) T1988K probably benign Het
Gm10277 TC T 11: 77,676,828 (GRCm39) probably null Het
Gm5616 A G 9: 48,361,928 (GRCm39) noncoding transcript Het
Gm5709 T C 3: 59,543,142 (GRCm39) noncoding transcript Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Hsd11b1 T C 1: 192,922,686 (GRCm39) T124A probably benign Het
Itpr3 T A 17: 27,321,785 (GRCm39) M1054K possibly damaging Het
Kars1 T C 8: 112,728,484 (GRCm39) N200S probably benign Het
Kdm2a C A 19: 4,372,492 (GRCm39) R951L probably damaging Het
Ldhd T A 8: 112,356,578 (GRCm39) H61L probably damaging Het
Macf1 G T 4: 123,366,523 (GRCm39) A2746E probably damaging Het
Micall2 A G 5: 139,703,266 (GRCm39) V190A possibly damaging Het
Mis18bp1 A T 12: 65,195,883 (GRCm39) V627E probably damaging Het
Muc4 A T 16: 32,574,054 (GRCm39) T711S probably benign Het
Notch4 T C 17: 34,806,502 (GRCm39) L1813P probably damaging Het
Nox3 A G 17: 3,744,296 (GRCm39) probably benign Het
Or4b1d G T 2: 89,969,200 (GRCm39) C94* probably null Het
Or5p63 A G 7: 107,811,049 (GRCm39) L229P probably damaging Het
Or6c1b T A 10: 129,273,451 (GRCm39) Y257N probably damaging Het
Osbpl2 C A 2: 179,791,969 (GRCm39) probably null Het
Pamr1 T A 2: 102,464,880 (GRCm39) M343K probably benign Het
Pcdh15 T G 10: 74,467,025 (GRCm39) S1684A possibly damaging Het
Pgr T A 9: 8,958,399 (GRCm39) V802D probably damaging Het
Pgs1 A G 11: 117,893,228 (GRCm39) E55G probably benign Het
Pkd2 T A 5: 104,614,744 (GRCm39) probably null Het
Ppp3r2 T C 4: 49,681,723 (GRCm39) I76V probably benign Het
Ptprd C T 4: 75,875,341 (GRCm39) E1240K probably damaging Het
Recql5 G A 11: 115,784,466 (GRCm39) T878I probably benign Het
Rnf17 A G 14: 56,669,036 (GRCm39) D233G possibly damaging Het
Sectm1a A G 11: 120,960,408 (GRCm39) probably benign Het
Smo A G 6: 29,754,715 (GRCm39) N262D possibly damaging Het
Srcin1 A G 11: 97,416,872 (GRCm39) S931P probably benign Het
Tcof1 C T 18: 60,966,605 (GRCm39) G329R probably damaging Het
Thsd7a G A 6: 12,327,535 (GRCm39) H1446Y probably benign Het
Tlr11 A G 14: 50,600,026 (GRCm39) T671A probably damaging Het
Tmem171 C A 13: 98,828,733 (GRCm39) W139L probably damaging Het
Vmn2r101 C T 17: 19,810,368 (GRCm39) R385* probably null Het
Vps13c A T 9: 67,843,567 (GRCm39) probably benign Het
Wdr87-ps G T 7: 29,230,959 (GRCm39) noncoding transcript Het
Zfp287 A C 11: 62,605,808 (GRCm39) Y366* probably null Het
Zfp456 A T 13: 67,514,616 (GRCm39) C363* probably null Het
Zfp523 A G 17: 28,419,978 (GRCm39) probably benign Het
Zfp667 A C 7: 6,308,416 (GRCm39) K361N possibly damaging Het
Other mutations in Erap1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00432:Erap1 APN 13 74,821,778 (GRCm39) missense probably benign 0.17
IGL00661:Erap1 APN 13 74,822,908 (GRCm39) unclassified probably benign
IGL00903:Erap1 APN 13 74,821,826 (GRCm39) missense probably benign
IGL01095:Erap1 APN 13 74,816,213 (GRCm39) missense probably benign 0.04
IGL01536:Erap1 APN 13 74,810,542 (GRCm39) nonsense probably null
IGL01646:Erap1 APN 13 74,814,291 (GRCm39) missense probably damaging 1.00
IGL01674:Erap1 APN 13 74,812,350 (GRCm39) unclassified probably benign
IGL01795:Erap1 APN 13 74,814,209 (GRCm39) splice site probably null
IGL01922:Erap1 APN 13 74,810,506 (GRCm39) missense probably damaging 1.00
IGL01951:Erap1 APN 13 74,823,414 (GRCm39) missense probably damaging 0.99
IGL02106:Erap1 APN 13 74,794,758 (GRCm39) missense probably benign
IGL02369:Erap1 APN 13 74,814,645 (GRCm39) missense probably benign 0.05
IGL02669:Erap1 APN 13 74,823,987 (GRCm39) missense probably benign 0.13
IGL02866:Erap1 APN 13 74,816,118 (GRCm39) missense probably damaging 0.96
IGL03093:Erap1 APN 13 74,823,399 (GRCm39) missense probably benign 0.10
IGL03265:Erap1 APN 13 74,812,246 (GRCm39) missense probably damaging 1.00
R0091:Erap1 UTSW 13 74,816,171 (GRCm39) missense possibly damaging 0.88
R0456:Erap1 UTSW 13 74,812,339 (GRCm39) missense probably benign 0.24
R0556:Erap1 UTSW 13 74,808,444 (GRCm39) missense probably damaging 1.00
R0627:Erap1 UTSW 13 74,823,933 (GRCm39) unclassified probably benign
R0825:Erap1 UTSW 13 74,822,733 (GRCm39) unclassified probably benign
R1123:Erap1 UTSW 13 74,821,762 (GRCm39) missense probably benign
R1530:Erap1 UTSW 13 74,794,662 (GRCm39) missense probably benign 0.06
R1619:Erap1 UTSW 13 74,819,500 (GRCm39) missense probably damaging 1.00
R1731:Erap1 UTSW 13 74,814,241 (GRCm39) nonsense probably null
R1944:Erap1 UTSW 13 74,794,758 (GRCm39) missense probably benign
R2016:Erap1 UTSW 13 74,812,270 (GRCm39) missense probably damaging 1.00
R2022:Erap1 UTSW 13 74,814,627 (GRCm39) missense probably benign 0.08
R2045:Erap1 UTSW 13 74,817,569 (GRCm39) missense probably benign 0.01
R2081:Erap1 UTSW 13 74,823,426 (GRCm39) missense possibly damaging 0.67
R2187:Erap1 UTSW 13 74,810,524 (GRCm39) missense probably damaging 0.98
R2198:Erap1 UTSW 13 74,794,806 (GRCm39) missense probably damaging 0.97
R3938:Erap1 UTSW 13 74,816,147 (GRCm39) missense probably damaging 1.00
R4052:Erap1 UTSW 13 74,823,459 (GRCm39) missense probably benign 0.13
R4062:Erap1 UTSW 13 74,811,655 (GRCm39) missense probably benign 0.02
R4128:Erap1 UTSW 13 74,814,315 (GRCm39) missense probably damaging 1.00
R4247:Erap1 UTSW 13 74,823,414 (GRCm39) missense probably damaging 0.99
R4562:Erap1 UTSW 13 74,821,778 (GRCm39) missense probably benign 0.21
R4691:Erap1 UTSW 13 74,821,811 (GRCm39) missense probably damaging 0.99
R4831:Erap1 UTSW 13 74,838,766 (GRCm39) missense probably damaging 1.00
R4916:Erap1 UTSW 13 74,794,647 (GRCm39) missense probably benign
R4983:Erap1 UTSW 13 74,838,829 (GRCm39) missense probably benign 0.01
R5213:Erap1 UTSW 13 74,819,614 (GRCm39) splice site probably null
R5229:Erap1 UTSW 13 74,808,494 (GRCm39) missense possibly damaging 0.94
R5367:Erap1 UTSW 13 74,794,680 (GRCm39) missense probably damaging 0.99
R5463:Erap1 UTSW 13 74,794,533 (GRCm39) missense probably damaging 1.00
R5566:Erap1 UTSW 13 74,810,531 (GRCm39) missense probably damaging 1.00
R5972:Erap1 UTSW 13 74,810,423 (GRCm39) splice site probably null
R6112:Erap1 UTSW 13 74,794,398 (GRCm39) missense probably benign 0.44
R6132:Erap1 UTSW 13 74,808,401 (GRCm39) missense probably benign 0.00
R6180:Erap1 UTSW 13 74,814,345 (GRCm39) missense possibly damaging 0.55
R6314:Erap1 UTSW 13 74,822,894 (GRCm39) missense probably damaging 0.99
R6479:Erap1 UTSW 13 74,811,612 (GRCm39) splice site probably null
R6919:Erap1 UTSW 13 74,819,552 (GRCm39) missense probably benign 0.20
R7199:Erap1 UTSW 13 74,814,258 (GRCm39) missense probably benign 0.10
R7283:Erap1 UTSW 13 74,821,903 (GRCm39) splice site probably null
R7543:Erap1 UTSW 13 74,822,753 (GRCm39) missense probably damaging 1.00
R8174:Erap1 UTSW 13 74,794,683 (GRCm39) missense probably benign 0.09
R8217:Erap1 UTSW 13 74,820,937 (GRCm39) missense probably benign 0.33
R8320:Erap1 UTSW 13 74,814,668 (GRCm39) missense probably benign 0.02
R8799:Erap1 UTSW 13 74,805,755 (GRCm39) missense probably benign 0.02
R9041:Erap1 UTSW 13 74,822,818 (GRCm39) missense probably benign 0.02
R9232:Erap1 UTSW 13 74,811,637 (GRCm39) missense probably benign 0.36
R9244:Erap1 UTSW 13 74,821,903 (GRCm39) splice site probably null
X0067:Erap1 UTSW 13 74,808,491 (GRCm39) missense probably damaging 1.00
Z1176:Erap1 UTSW 13 74,805,757 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGTGGGCCACAGTCCTATTAGAG -3'
(R):5'- GCCATCCATTGTTTGTGTGC -3'

Sequencing Primer
(F):5'- CCTATTAGAGGGACTTATGGTATGG -3'
(R):5'- GTCACTCTCATTTCTCTAGAAAGTG -3'
Posted On 2014-08-25