Incidental Mutation 'R7950:Napsa'
ID 649503
Institutional Source Beutler Lab
Gene Symbol Napsa
Ensembl Gene ENSMUSG00000002204
Gene Name napsin A aspartic peptidase
Synonyms Kdap, napsin, NAP1, pronapsin
MMRRC Submission 045995-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.094) question?
Stock # R7950 (G1)
Quality Score 225.009
Status Validated
Chromosome 7
Chromosomal Location 44221869-44236270 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 44234758 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 298 (I298V)
Ref Sequence ENSEMBL: ENSMUSP00000002274 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000002274] [ENSMUST00000208514]
AlphaFold O09043
Predicted Effect probably benign
Transcript: ENSMUST00000002274
AA Change: I298V

PolyPhen 2 Score 0.129 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000002274
Gene: ENSMUSG00000002204
AA Change: I298V

DomainStartEndE-ValueType
signal peptide 1 21 N/A INTRINSIC
Pfam:Asp 72 396 6.6e-109 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000208514
Meta Mutation Damage Score 0.0846 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 100% (47/47)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a member of the peptidase A1 family of aspartic proteases. The encoded preproprotein is proteolytically processed to generate an activation peptide and the mature protease. The activation peptides of aspartic proteinases function as inhibitors of the protease active site. These peptide segments, or pro-parts, are deemed important for correct folding, targeting, and control of the activation of aspartic proteinase zymogens. The encoded protease may play a role in the proteolytic processing of pulmonary surfactant protein B in the lung and may function in protein catabolism in the renal proximal tubules. This gene has been described as a marker for lung adenocarcinoma and renal cell carcinoma. [provided by RefSeq, Feb 2016]
Allele List at MGI
Other mutations in this stock
Total: 44 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrf5 G A 17: 43,762,048 (GRCm39) V1248M probably damaging Het
Alb T C 5: 90,620,323 (GRCm39) S478P probably damaging Het
Arhgap17 A G 7: 122,886,039 (GRCm39) S698P probably benign Het
Arhgef5 A G 6: 43,250,859 (GRCm39) T537A possibly damaging Het
Arl6 A T 16: 59,439,094 (GRCm39) probably null Het
Atp13a4 A T 16: 29,268,735 (GRCm39) W540R Het
Birc6 A T 17: 74,900,095 (GRCm39) D1091V probably damaging Het
Bnc1 A G 7: 81,623,250 (GRCm39) V659A probably benign Het
C130074G19Rik T C 1: 184,606,571 (GRCm39) probably null Het
C1ql4 T A 15: 98,982,693 (GRCm39) H220L probably benign Het
Cacna1s A G 1: 136,028,363 (GRCm39) N1147S probably benign Het
Cc2d2a T C 5: 43,852,638 (GRCm39) probably null Het
Ccl1 T A 11: 82,070,519 (GRCm39) I18L probably benign Het
Cfap410 C T 10: 77,815,601 (GRCm39) T31I probably damaging Het
Ecel1 A T 1: 87,075,991 (GRCm39) Y729N probably damaging Het
Epha4 T A 1: 77,483,833 (GRCm39) I59F probably damaging Het
Filip1l A G 16: 57,390,074 (GRCm39) K221E probably damaging Het
Flnc A G 6: 29,456,381 (GRCm39) E2193G possibly damaging Het
Galnt10 C G 11: 57,674,549 (GRCm39) P513A probably damaging Het
Gm5624 A G 14: 44,798,190 (GRCm39) Y139H Het
Golgb1 A C 16: 36,735,786 (GRCm39) I1719L probably benign Het
Hsf1 T C 15: 76,382,393 (GRCm39) S255P probably benign Het
Ighv2-2 T C 12: 113,551,914 (GRCm39) D108G probably damaging Het
Iho1 T C 9: 108,282,870 (GRCm39) T273A probably benign Het
Kbtbd3 C T 9: 4,316,878 (GRCm39) Q10* probably null Het
Kcnh2 C T 5: 24,538,034 (GRCm39) V110M probably benign Het
Magi3 A C 3: 103,924,005 (GRCm39) L1112W probably damaging Het
Malrd1 T A 2: 16,132,879 (GRCm39) D1933E unknown Het
Mki67 G A 7: 135,301,453 (GRCm39) R1194* probably null Het
Nap1l1 T C 10: 111,328,769 (GRCm39) Y233H probably damaging Het
Nkx6-1 A T 5: 101,811,465 (GRCm39) S212R probably damaging Het
Nlrc4 A T 17: 74,752,610 (GRCm39) I591N probably damaging Het
Or5b114-ps1 T C 19: 13,352,431 (GRCm39) I35T possibly damaging Het
Orc2 T C 1: 58,506,827 (GRCm39) D503G possibly damaging Het
Osbp T A 19: 11,955,612 (GRCm39) S343T probably benign Het
Pcdha6 T G 18: 37,102,479 (GRCm39) D557E probably damaging Het
Pdcd11 AGAGGAGGAGGAGGAGGAGGAGGAG AGAGGAGGAGGAGGAGGAGGAG 19: 47,101,876 (GRCm39) probably benign Het
Ppdpf A G 2: 180,829,650 (GRCm39) Y35C probably benign Het
Scrn2 T A 11: 96,921,755 (GRCm39) L75Q probably damaging Het
Scube3 G A 17: 28,390,200 (GRCm39) V955I probably benign Het
Slc1a1 T C 19: 28,889,161 (GRCm39) V478A probably benign Het
Slc4a4 A G 5: 89,206,137 (GRCm39) probably null Het
Srrm2 T C 17: 24,027,084 (GRCm39) L96P unknown Het
Strn A T 17: 78,977,852 (GRCm39) L175Q Het
Other mutations in Napsa
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00708:Napsa APN 7 44,230,845 (GRCm39) missense probably benign 0.00
IGL01380:Napsa APN 7 44,236,098 (GRCm39) missense probably damaging 0.99
IGL01521:Napsa APN 7 44,236,061 (GRCm39) missense probably damaging 1.00
IGL01630:Napsa APN 7 44,236,089 (GRCm39) missense probably damaging 1.00
IGL01862:Napsa APN 7 44,231,917 (GRCm39) missense probably damaging 0.99
IGL01935:Napsa APN 7 44,236,046 (GRCm39) missense probably benign 0.01
IGL02421:Napsa APN 7 44,234,479 (GRCm39) missense probably damaging 1.00
IGL02831:Napsa APN 7 44,236,184 (GRCm39) missense probably benign
IGL03008:Napsa APN 7 44,235,220 (GRCm39) missense possibly damaging 0.77
PIT4131001:Napsa UTSW 7 44,230,875 (GRCm39) missense probably damaging 1.00
R0422:Napsa UTSW 7 44,234,530 (GRCm39) missense probably damaging 1.00
R1542:Napsa UTSW 7 44,231,113 (GRCm39) missense probably damaging 1.00
R1564:Napsa UTSW 7 44,236,073 (GRCm39) missense probably damaging 1.00
R1903:Napsa UTSW 7 44,231,160 (GRCm39) missense probably damaging 1.00
R1964:Napsa UTSW 7 44,231,109 (GRCm39) missense probably benign 0.01
R2366:Napsa UTSW 7 44,231,909 (GRCm39) missense probably damaging 1.00
R3713:Napsa UTSW 7 44,230,852 (GRCm39) missense probably damaging 1.00
R5441:Napsa UTSW 7 44,230,817 (GRCm39) unclassified probably benign
R5512:Napsa UTSW 7 44,222,040 (GRCm39) start codon destroyed probably null 0.01
R5682:Napsa UTSW 7 44,234,768 (GRCm39) missense possibly damaging 0.92
R6290:Napsa UTSW 7 44,230,761 (GRCm39) missense probably benign 0.00
R7046:Napsa UTSW 7 44,234,509 (GRCm39) missense probably damaging 1.00
R7134:Napsa UTSW 7 44,235,159 (GRCm39) missense probably benign 0.04
R7677:Napsa UTSW 7 44,231,130 (GRCm39) nonsense probably null
R7983:Napsa UTSW 7 44,234,751 (GRCm39) missense possibly damaging 0.88
R9068:Napsa UTSW 7 44,235,223 (GRCm39) missense probably damaging 1.00
R9336:Napsa UTSW 7 44,231,769 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGCAGGGATTCTGAAGGGTC -3'
(R):5'- CACCTGGAAAGCATGTTGGC -3'

Sequencing Primer
(F):5'- TACTGGCAGGTCCACATGGAG -3'
(R):5'- AGCATGTTGGCTTCCTCCTACTG -3'
Posted On 2020-09-15