Incidental Mutation 'R2081:Erap1'
ID 229515
Institutional Source Beutler Lab
Gene Symbol Erap1
Ensembl Gene ENSMUSG00000021583
Gene Name endoplasmic reticulum aminopeptidase 1
Synonyms Arts1, PILSAP, ERAAP
MMRRC Submission 040086-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R2081 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 74787692-74841324 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 74823426 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 820 (E820G)
Ref Sequence ENSEMBL: ENSMUSP00000133166 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000169114] [ENSMUST00000222127]
AlphaFold Q9EQH2
Predicted Effect possibly damaging
Transcript: ENSMUST00000169114
AA Change: E820G

PolyPhen 2 Score 0.670 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000133166
Gene: ENSMUSG00000021583
AA Change: E820G

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 probably benign
Transcript: ENSMUST00000222127
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency
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: 68 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acsl6 A G 11: 54,211,085 (GRCm39) T28A possibly damaging Het
Actl11 G A 9: 107,807,396 (GRCm39) G573D probably benign Het
Adam39 T A 8: 41,279,879 (GRCm39) *757K probably null Het
Agpat4 T C 17: 12,370,771 (GRCm39) I38T possibly damaging Het
Ap3d1 A C 10: 80,568,770 (GRCm39) I36S probably damaging Het
Arhgap45 T C 10: 79,863,508 (GRCm39) F784L probably damaging Het
Atg5lrt T C 10: 95,972,601 (GRCm39) I46T possibly damaging Het
Atp10b T A 11: 43,092,955 (GRCm39) I430N probably damaging Het
Atrip T A 9: 108,901,807 (GRCm39) probably null Het
C2cd4b G T 9: 67,667,859 (GRCm39) R285L probably damaging Het
Camta1 T C 4: 151,228,699 (GRCm39) E711G probably benign Het
Clcn6 T C 4: 148,095,525 (GRCm39) Y685C probably damaging Het
Col18a1 T A 10: 76,890,019 (GRCm39) D1447V probably damaging Het
Crispld1 T A 1: 17,832,403 (GRCm39) V463D probably damaging Het
Crybg2 T G 4: 133,816,131 (GRCm39) F1612V possibly damaging Het
Dclk1 T C 3: 55,429,346 (GRCm39) probably null Het
Ddx46 G T 13: 55,821,829 (GRCm39) V834L probably benign Het
Dnah10 A G 5: 124,852,045 (GRCm39) D1734G possibly damaging Het
Dpep1 T C 8: 123,926,117 (GRCm39) V152A probably damaging Het
Ect2l T C 10: 18,041,275 (GRCm39) E301G probably damaging Het
Elf3 C T 1: 135,184,814 (GRCm39) C124Y probably benign Het
Eno2 A G 6: 124,740,088 (GRCm39) V316A probably damaging Het
Evpl A T 11: 116,125,092 (GRCm39) H123Q probably damaging Het
Fat2 T A 11: 55,200,503 (GRCm39) Y857F possibly damaging Het
Fbrsl1 T A 5: 110,519,491 (GRCm39) probably null Het
Fbxw7 A G 3: 84,881,820 (GRCm39) D432G probably damaging Het
Flt1 A T 5: 147,576,232 (GRCm39) L592Q probably damaging Het
Gm14496 T A 2: 181,642,272 (GRCm39) C648S probably damaging Het
Gm5150 A T 3: 16,045,109 (GRCm39) S39T probably benign Het
Gse1 C A 8: 121,293,219 (GRCm39) P177Q probably damaging Het
Heatr4 G A 12: 84,027,096 (GRCm39) R54W probably damaging Het
Hpgd C A 8: 56,760,677 (GRCm39) Q125K probably benign Het
Hsh2d G A 8: 72,954,304 (GRCm39) D229N probably benign Het
Mast2 A T 4: 116,187,671 (GRCm39) probably null Het
Mfsd11 A G 11: 116,752,381 (GRCm39) T177A possibly damaging Het
Mlx T C 11: 100,978,257 (GRCm39) S36P probably benign Het
Mlxipl T A 5: 135,142,492 (GRCm39) V102D probably damaging Het
Mms22l T C 4: 24,536,150 (GRCm39) Y540H probably damaging Het
Msc T C 1: 14,825,941 (GRCm39) D11G probably benign Het
Muc4 C G 16: 32,574,020 (GRCm39) S699R probably benign Het
Nckap1l T C 15: 103,405,881 (GRCm39) S1106P probably damaging Het
Obscn T C 11: 58,925,008 (GRCm39) E5703G possibly damaging Het
Or2ag1 A G 7: 106,313,405 (GRCm39) M161T probably benign Het
Pabpn1 A G 14: 55,133,115 (GRCm39) K38E probably damaging Het
Padi3 A T 4: 140,526,290 (GRCm39) L141Q probably damaging Het
Pakap G A 4: 57,855,927 (GRCm39) E419K possibly damaging Het
Pde3b A G 7: 114,122,657 (GRCm39) N742D probably benign Het
Pex1 T A 5: 3,674,132 (GRCm39) probably null Het
Pkd2 T C 5: 104,608,077 (GRCm39) V192A probably benign Het
Ppp6r2 T A 15: 89,166,332 (GRCm39) M750K probably benign Het
Prdm15 A T 16: 97,604,980 (GRCm39) Y783* probably null Het
Prox2 T A 12: 85,141,782 (GRCm39) Q140H probably damaging Het
Psg27 A T 7: 18,290,883 (GRCm39) I440K probably damaging Het
Pzp A G 6: 128,496,383 (GRCm39) M283T probably benign Het
Sec23a G A 12: 59,045,067 (GRCm39) Q192* probably null Het
Sh2b1 A G 7: 126,071,862 (GRCm39) S108P possibly damaging Het
Syce1 C A 7: 140,359,809 (GRCm39) L83F probably damaging Het
Tkfc G A 19: 10,574,742 (GRCm39) A166V probably damaging Het
Tomm70a T C 16: 56,961,121 (GRCm39) V358A probably damaging Het
Trim47 A G 11: 115,997,239 (GRCm39) F505S probably damaging Het
Tti2 T C 8: 31,641,337 (GRCm39) F154L possibly damaging Het
Ubap2l C T 3: 89,946,271 (GRCm39) G111D possibly damaging Het
Usp9y A T Y: 1,381,277 (GRCm39) I848N possibly damaging Het
Veph1 T C 3: 65,968,523 (GRCm39) Y740C probably damaging Het
Vmn2r114 T A 17: 23,510,083 (GRCm39) H799L possibly damaging Het
Wdr31 T A 4: 62,374,180 (GRCm39) M270L probably benign Het
Zfp26 A G 9: 20,347,913 (GRCm39) S884P probably benign Het
Zswim6 T A 13: 107,909,930 (GRCm39) noncoding transcript 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
R2023: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
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'- CTACCAATTTACCTTTGAGGACTG -3'
(R):5'- TCCAGATGCAAGCGTTAGAAG -3'

Sequencing Primer
(F):5'- CTTTGAGGACTGTATGATTGGCAAAC -3'
(R):5'- CCAGATGCAAGCGTTAGAAGTCAAC -3'
Posted On 2014-09-17