Incidental Mutation 'R3938:Erap1'
ID 307296
Institutional Source Beutler Lab
Gene Symbol Erap1
Ensembl Gene ENSMUSG00000021583
Gene Name endoplasmic reticulum aminopeptidase 1
Synonyms Arts1, PILSAP, ERAAP
MMRRC Submission 040825-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.114) question?
Stock # R3938 (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 74816147 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 92 (L92Q)
Ref Sequence ENSEMBL: ENSMUSP00000152076 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000169114] [ENSMUST00000222127]
AlphaFold Q9EQH2
Predicted Effect probably damaging
Transcript: ENSMUST00000169114
AA Change: L521Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000133166
Gene: ENSMUSG00000021583
AA Change: L521Q

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 damaging
Transcript: ENSMUST00000222127
AA Change: L92Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Meta Mutation Damage Score 0.9478 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.1%
Validation Efficiency 98% (57/58)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adamts1 C T 16: 85,592,507 (GRCm39) V634M possibly damaging Het
Arid4b A T 13: 14,361,513 (GRCm39) N659I probably benign Het
BC049715 T C 6: 136,817,453 (GRCm39) I231T possibly damaging Het
Bmp4 T C 14: 46,621,536 (GRCm39) Y336C probably damaging Het
Ccdc30 G A 4: 119,209,870 (GRCm39) T293I probably benign Het
Chd5 A T 4: 152,461,512 (GRCm39) T1275S probably benign Het
Chtf8 A T 8: 107,612,537 (GRCm39) M134K probably benign Het
Col11a2 A T 17: 34,258,599 (GRCm39) probably benign Het
Cyp8b1 A G 9: 121,744,684 (GRCm39) V216A probably benign Het
Dnah8 C T 17: 31,073,911 (GRCm39) T4527M probably damaging Het
Elavl3 A G 9: 21,930,040 (GRCm39) V288A probably damaging Het
Exoc3l G T 8: 106,020,037 (GRCm39) P296H probably damaging Het
Fcgbpl1 C T 7: 27,853,719 (GRCm39) P1561L probably damaging Het
Foxl3 A T 5: 138,806,723 (GRCm39) N78Y probably damaging Het
Hacl1 T C 14: 31,356,148 (GRCm39) probably benign Het
Hrnr T A 3: 93,230,162 (GRCm39) N133K probably benign Het
Itgax G T 7: 127,735,445 (GRCm39) R504S possibly damaging Het
Itgb4 A G 11: 115,896,752 (GRCm39) S1461G possibly damaging Het
Klkb1 G T 8: 45,735,838 (GRCm39) T175K probably damaging Het
Lrrk2 A T 15: 91,596,983 (GRCm39) D525V possibly damaging Het
Lrrk2 C A 15: 91,662,707 (GRCm39) T1912K probably damaging Het
Mdga1 G T 17: 30,076,596 (GRCm39) Q59K probably damaging Het
Mpp4 A G 1: 59,163,842 (GRCm39) V466A possibly damaging Het
Myh6 T C 14: 55,200,512 (GRCm39) D203G probably benign Het
Myo5b T C 18: 74,849,108 (GRCm39) S1116P probably damaging Het
Nemp1 T C 10: 127,531,342 (GRCm39) L311P probably damaging Het
Nup205 A G 6: 35,196,677 (GRCm39) R1138G probably damaging Het
Nup54 A G 5: 92,565,388 (GRCm39) M443T probably damaging Het
Peak1 T C 9: 56,167,649 (GRCm39) E93G probably benign Het
Pirb A T 7: 3,720,637 (GRCm39) L287Q probably benign Het
Plekhj1 A G 10: 80,633,609 (GRCm39) I76T probably damaging Het
Poll A G 19: 45,546,857 (GRCm39) probably benign Het
Ppp1r3a A T 6: 14,719,073 (GRCm39) S614T probably damaging Het
Pygm A T 19: 6,442,980 (GRCm39) I556F probably benign Het
Ranbp2 T C 10: 58,312,294 (GRCm39) F1005L probably benign Het
Rcor3 G T 1: 191,785,385 (GRCm39) T361K possibly damaging Het
Robo4 A G 9: 37,313,313 (GRCm39) probably benign Het
Rps15 T C 10: 80,129,673 (GRCm39) V96A probably benign Het
Rrm2 T A 12: 24,759,431 (GRCm39) N55K probably damaging Het
Shank2 T C 7: 143,682,112 (GRCm39) Y382H probably benign Het
Slc25a10 G T 11: 120,382,819 (GRCm39) E3* probably null Het
Slc7a8 T A 14: 54,973,298 (GRCm39) E223V probably benign Het
Snx13 A G 12: 35,194,096 (GRCm39) K880E probably benign Het
Spinkl T G 18: 44,301,216 (GRCm39) M41L probably benign Het
Srp54a A C 12: 55,136,042 (GRCm39) N19T probably benign Het
Sun2 T C 15: 79,618,356 (GRCm39) K268E probably benign Het
Sytl1 G A 4: 132,982,935 (GRCm39) Q359* probably null Het
Tlr6 A T 5: 65,110,938 (GRCm39) F656L probably damaging Het
Tmem185a C T X: 69,505,792 (GRCm39) probably null Het
Tmem45a2 C T 16: 56,859,398 (GRCm39) D278N probably benign Het
Trav7-1 T C 14: 52,892,791 (GRCm39) probably benign Het
Trpc2 T A 7: 101,742,781 (GRCm39) M597K probably damaging Het
Ttc21a A G 9: 119,779,882 (GRCm39) probably benign Het
Usp9y C T Y: 1,313,741 (GRCm39) M2188I probably damaging Het
Utrn C A 10: 12,625,774 (GRCm39) probably null Het
Vmn1r35 T A 6: 66,656,057 (GRCm39) R204S probably damaging Het
Zfp955b T A 17: 33,524,390 (GRCm39) Y59F probably 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
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
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'- AGGGCCAACTGTCAAGACAC -3'
(R):5'- TTCAGCTGAAGCAGTCAAGG -3'

Sequencing Primer
(F):5'- CCAACTGTCAAGACACAGAGGTTTG -3'
(R):5'- CTGAAGCAGTCAAGGGAAGG -3'
Posted On 2015-04-17