Incidental Mutation 'R2360:Napa'
ID 247107
Institutional Source Beutler Lab
Gene Symbol Napa
Ensembl Gene ENSMUSG00000006024
Gene Name N-ethylmaleimide sensitive fusion protein attachment protein alpha
Synonyms a-SNAP, SNAPA, RA81, hyh, 1500039N14Rik, SNARE
MMRRC Submission 040342-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2360 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 15832383-15851900 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 15848083 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 200 (Y200C)
Ref Sequence ENSEMBL: ENSMUSP00000006181 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000006181] [ENSMUST00000127637]
AlphaFold Q9DB05
Predicted Effect probably damaging
Transcript: ENSMUST00000006181
AA Change: Y200C

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000006181
Gene: ENSMUSG00000006024
AA Change: Y200C

DomainStartEndE-ValueType
Pfam:SNAP 8 288 4.5e-113 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124563
Predicted Effect probably benign
Transcript: ENSMUST00000127637
Predicted Effect noncoding transcript
Transcript: ENSMUST00000132828
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139507
Predicted Effect noncoding transcript
Transcript: ENSMUST00000140640
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150208
Meta Mutation Damage Score 0.9630 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.1%
Validation Efficiency 93% (37/40)
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 soluble NSF attachment protein (SNAP) family. SNAP proteins play a critical role in the docking and fusion of vesicles to target membranes as part of the 20S NSF-SNAP-SNARE complex. The encoded protein plays a role in the completion of membrane fusion by mediating the interaction of N-ethylmaleimide-sensitive factor (NSF) with the vesicle-associated and membrane-associated SNAP receptor (SNARE) complex, and stimulating the ATPase activity of NSF. Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, Jun 2011]
PHENOTYPE: The homozygous null mutation is embryonic lethal while partial loss of function homozygous mutants develop hydrocephalus and die postnatally. These mutants also display central nervous system abnormalities and impaired motor capabilities. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930432E11Rik A T 7: 29,274,214 (GRCm39) noncoding transcript Het
Abca14 A G 7: 119,850,431 (GRCm39) E761G probably benign Het
Apc C T 18: 34,394,179 (GRCm39) T35I probably damaging Het
Arhgef2 T A 3: 88,541,723 (GRCm39) I228N probably damaging Het
Atp6v1g2 A G 17: 35,456,638 (GRCm39) E74G probably damaging Het
Ccdc70 A G 8: 22,463,447 (GRCm39) E79G probably damaging Het
Cdc42ep4 A G 11: 113,619,528 (GRCm39) S288P probably damaging Het
Cip2a C T 16: 48,837,828 (GRCm39) Q843* probably null Het
Cpn2 T C 16: 30,078,321 (GRCm39) D460G probably benign Het
Crtam A G 9: 40,884,811 (GRCm39) *393Q probably null Het
Cwc22 A G 2: 77,757,591 (GRCm39) I179T probably damaging Het
Cyp3a41b T C 5: 145,507,221 (GRCm39) M240V probably benign Het
Dnah8 A T 17: 30,896,178 (GRCm39) D864V probably benign Het
Map3k7 T C 4: 31,964,302 (GRCm39) S14P unknown Het
Med25 A G 7: 44,534,566 (GRCm39) S150P probably damaging Het
Mex3b T C 7: 82,517,070 (GRCm39) V71A probably benign Het
Morc3 T C 16: 93,638,275 (GRCm39) L19S probably damaging Het
Morn1 T A 4: 155,176,770 (GRCm39) S98T probably damaging Het
Mthfd1l G T 10: 4,006,771 (GRCm39) A678S probably damaging Het
Nr5a2 T C 1: 136,876,565 (GRCm39) I33V probably benign Het
Or14j6 A G 17: 38,215,345 (GRCm39) K303E possibly damaging Het
Pcnx1 A G 12: 81,996,960 (GRCm39) D952G probably damaging Het
Phf20l1 G A 15: 66,466,769 (GRCm39) R66Q probably damaging Het
Resf1 A G 6: 149,236,145 (GRCm39) I1488M probably benign Het
Rfk A G 19: 17,375,960 (GRCm39) T85A probably benign Het
Sbno2 T C 10: 79,893,855 (GRCm39) D1179G possibly damaging Het
Serpina3k C T 12: 104,307,166 (GRCm39) Q133* probably null Het
Setd4 T C 16: 93,383,122 (GRCm39) probably benign Het
Sh2d4b C T 14: 40,582,548 (GRCm39) probably null Het
Slc1a6 G A 10: 78,648,718 (GRCm39) V480I possibly damaging Het
Slc39a3 A T 10: 80,867,104 (GRCm39) V214E possibly damaging Het
Tll1 A G 8: 64,504,435 (GRCm39) Y654H probably damaging Het
Traf3ip1 T A 1: 91,427,374 (GRCm39) C115S unknown Het
Vmn1r209 T A 13: 22,989,836 (GRCm39) I285F probably damaging Het
Vmn2r87 G T 10: 130,315,631 (GRCm39) T145K probably damaging Het
Zan T C 5: 137,394,388 (GRCm39) T4484A unknown Het
Zfp768 T C 7: 126,943,810 (GRCm39) E106G probably benign Het
Zfp984 A G 4: 147,839,234 (GRCm39) I539T possibly damaging Het
Other mutations in Napa
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01760:Napa APN 7 15,832,669 (GRCm39) missense possibly damaging 0.66
IGL02383:Napa APN 7 15,846,503 (GRCm39) splice site probably benign
IGL02968:Napa APN 7 15,847,266 (GRCm39) splice site probably benign
R0782:Napa UTSW 7 15,849,192 (GRCm39) missense probably benign 0.00
R2067:Napa UTSW 7 15,849,203 (GRCm39) unclassified probably benign
R2115:Napa UTSW 7 15,848,134 (GRCm39) missense possibly damaging 0.91
R4762:Napa UTSW 7 15,849,196 (GRCm39) missense probably benign 0.22
R5386:Napa UTSW 7 15,850,397 (GRCm39) missense probably benign 0.01
R5503:Napa UTSW 7 15,849,549 (GRCm39) missense probably benign 0.07
R6335:Napa UTSW 7 15,849,562 (GRCm39) missense probably benign 0.01
R6939:Napa UTSW 7 15,849,182 (GRCm39) missense possibly damaging 0.94
R6961:Napa UTSW 7 15,843,034 (GRCm39) nonsense probably null
R7841:Napa UTSW 7 15,849,559 (GRCm39) missense possibly damaging 0.94
R8809:Napa UTSW 7 15,846,551 (GRCm39) missense possibly damaging 0.46
X0025:Napa UTSW 7 15,849,137 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- ACACCCTAGTCATGTCTCTGG -3'
(R):5'- CTGGGAACTCAGAAAAGCATCC -3'

Sequencing Primer
(F):5'- TGGTCACTCTGGCAACAC -3'
(R):5'- GACTGTTTTCCATCCTAACCAAAGGG -3'
Posted On 2014-10-30