Incidental Mutation 'R5463:Erap1'
ID 433120
Institutional Source Beutler Lab
Gene Symbol Erap1
Ensembl Gene ENSMUSG00000021583
Gene Name endoplasmic reticulum aminopeptidase 1
Synonyms Arts1, PILSAP, ERAAP
MMRRC Submission 043025-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R5463 (G1)
Quality Score 225
Status Not validated
Chromosome 13
Chromosomal Location 74787692-74841324 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 74794533 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 64 (T64I)
Ref Sequence ENSEMBL: ENSMUSP00000152462 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000169114] [ENSMUST00000221526] [ENSMUST00000221822]
AlphaFold Q9EQH2
Predicted Effect probably benign
Transcript: ENSMUST00000169114
AA Change: T64I

PolyPhen 2 Score 0.309 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000133166
Gene: ENSMUSG00000021583
AA Change: T64I

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 probably damaging
Transcript: ENSMUST00000221526
AA Change: T64I

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Predicted Effect probably benign
Transcript: ENSMUST00000221822
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
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: 42 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A930009A15Rik A C 10: 115,406,104 (GRCm39) probably benign Het
Arhgap29 T A 3: 121,782,200 (GRCm39) S71T possibly damaging Het
BC048507 T C 13: 68,011,817 (GRCm39) Y65H probably damaging Het
C3 T C 17: 57,518,720 (GRCm39) E1221G probably benign Het
Calb1 G T 4: 15,885,656 (GRCm39) V76L probably benign Het
Crybg1 T A 10: 43,879,689 (GRCm39) K500* probably null Het
Csmd1 G A 8: 16,034,860 (GRCm39) T2437I probably benign Het
Cyp27b1 G A 10: 126,887,966 (GRCm39) V493I possibly damaging Het
Cyp3a44 T A 5: 145,740,554 (GRCm39) T29S probably benign Het
Dclk3 T C 9: 111,298,328 (GRCm39) V624A probably benign Het
Dnah6 T C 6: 73,069,140 (GRCm39) I2464V probably benign Het
Dock6 A T 9: 21,721,254 (GRCm39) probably null Het
Erbb3 A T 10: 128,405,948 (GRCm39) Y1156* probably null Het
Fam168a G A 7: 100,484,602 (GRCm39) A231T probably benign Het
Farp1 C T 14: 121,472,489 (GRCm39) P208L probably damaging Het
Fbxo30 T C 10: 11,166,813 (GRCm39) Y512H probably damaging Het
Gcnt2 A T 13: 41,071,650 (GRCm39) I98F possibly damaging Het
Got1 G A 19: 43,493,036 (GRCm39) T295I probably benign Het
Herc2 A G 7: 55,844,010 (GRCm39) E3538G probably damaging Het
Kcnmb4 A T 10: 116,309,410 (GRCm39) V6E probably benign Het
Kmt2d G A 15: 98,749,990 (GRCm39) probably benign Het
Letmd1 C T 15: 100,367,009 (GRCm39) A2V probably damaging Het
Lynx1 G T 15: 74,623,462 (GRCm39) Y28* probably null Het
Mast1 T C 8: 85,652,136 (GRCm39) E304G probably damaging Het
Nipa1 G A 7: 55,629,205 (GRCm39) Q303* probably null Het
Nomo1 G A 7: 45,712,426 (GRCm39) R657H possibly damaging Het
Or51b4 C T 7: 103,530,541 (GRCm39) R303H probably benign Het
Pcdha7 T A 18: 37,108,628 (GRCm39) L551Q probably damaging Het
Pik3r4 T C 9: 105,525,930 (GRCm39) Y267H probably damaging Het
Pnliprp1 A G 19: 58,723,168 (GRCm39) D223G probably damaging Het
Prph G A 15: 98,953,281 (GRCm39) G65D probably benign Het
Pskh1 T C 8: 106,639,464 (GRCm39) L48P probably benign Het
Ptdss1 C A 13: 67,093,365 (GRCm39) N68K probably damaging Het
Rexo5 G A 7: 119,433,526 (GRCm39) G495R probably damaging Het
Ryr1 C A 7: 28,723,448 (GRCm39) A4204S possibly damaging Het
Serpinb9 G A 13: 33,199,659 (GRCm39) S318N probably damaging Het
Slc22a8 G A 19: 8,586,638 (GRCm39) R383H probably benign Het
Trim26 A G 17: 37,162,016 (GRCm39) H145R probably damaging Het
Trps1 A T 15: 50,695,286 (GRCm39) Y286* probably null Het
Vmn1r181 A G 7: 23,683,787 (GRCm39) N84S probably benign Het
Wdfy4 G T 14: 32,873,689 (GRCm39) Q207K probably benign Het
Whrn G A 4: 63,351,053 (GRCm39) T427I probably benign 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
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
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'- TAGTGTCTCTGCTCCTCAAATAG -3'
(R):5'- GCAGTGCAACTTGCTCATGAG -3'

Sequencing Primer
(F):5'- AATAGCCACTTGCAAGCATG -3'
(R):5'- TGAGCAGGATATTCCAGGACCTTC -3'
Posted On 2016-10-06