Incidental Mutation 'R2337:Gsap'
ID 246581
Institutional Source Beutler Lab
Gene Symbol Gsap
Ensembl Gene ENSMUSG00000039934
Gene Name gamma-secretase activating protein
Synonyms A530088I07Rik, Pion
Accession Numbers
Essential gene? Probably non essential (E-score: 0.125) question?
Stock # R2337 (G1)
Quality Score 225
Status Not validated
Chromosome 5
Chromosomal Location 21391253-21520130 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 21493628 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 755 (I755N)
Ref Sequence ENSEMBL: ENSMUSP00000043679 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000036031] [ENSMUST00000115245] [ENSMUST00000195969] [ENSMUST00000198014] [ENSMUST00000198930] [ENSMUST00000198937]
AlphaFold Q3TCV3
Predicted Effect probably damaging
Transcript: ENSMUST00000036031
AA Change: I755N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000043679
Gene: ENSMUSG00000039934
AA Change: I755N

DomainStartEndE-ValueType
low complexity region 386 398 N/A INTRINSIC
Pfam:GSAP-16 646 753 6.8e-43 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000115245
SMART Domains Protein: ENSMUSP00000110900
Gene: ENSMUSG00000064280

DomainStartEndE-ValueType
coiled coil region 1 33 N/A INTRINSIC
low complexity region 120 130 N/A INTRINSIC
coiled coil region 194 320 N/A INTRINSIC
low complexity region 333 342 N/A INTRINSIC
coiled coil region 438 477 N/A INTRINSIC
coiled coil region 549 595 N/A INTRINSIC
coiled coil region 617 663 N/A INTRINSIC
coiled coil region 690 720 N/A INTRINSIC
coiled coil region 770 793 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000195969
Predicted Effect probably benign
Transcript: ENSMUST00000198014
Predicted Effect probably benign
Transcript: ENSMUST00000198930
Predicted Effect probably damaging
Transcript: ENSMUST00000198937
AA Change: I724N

PolyPhen 2 Score 0.996 (Sensitivity: 0.55; Specificity: 0.98)
SMART Domains Protein: ENSMUSP00000142986
Gene: ENSMUSG00000039934
AA Change: I724N

DomainStartEndE-ValueType
low complexity region 355 367 N/A INTRINSIC
Pfam:GSAP-16 608 722 1.6e-42 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199553
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Accumulation of neurotoxic amyloid-beta is a major hallmark of Alzheimer disease (AD; MIM 104300). Formation of amyloid-beta is catalyzed by gamma-secretase (see PSEN1; MIM 104311), a protease with numerous substrates. PION, or GSAP, selectively increases amyloid-beta production through a mechanism involving its interaction with both gamma-secretase and its substrate, the amyloid-beta precursor protein (APP; MIM 104760) C-terminal fragment (APP-CTF) (He et al., 2010 [PubMed 20811458]).[supplied by OMIM, Nov 2010]
Allele List at MGI
Other mutations in this stock
Total: 24 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik G T 12: 71,211,320 (GRCm39) E685* probably null Het
2700049A03Rik A T 12: 71,211,321 (GRCm39) E685V possibly damaging Het
9930111J21Rik2 T C 11: 48,911,131 (GRCm39) N434S probably benign Het
Acaca T C 11: 84,148,023 (GRCm39) S691P possibly damaging Het
Arid5b T C 10: 67,933,607 (GRCm39) D765G possibly damaging Het
Ccdc14 A G 16: 34,525,388 (GRCm39) H179R probably benign Het
Ccdc177 C T 12: 80,805,465 (GRCm39) A270T unknown Het
Cdh16 G T 8: 105,348,902 (GRCm39) T65K probably benign Het
Dag1 G T 9: 108,084,596 (GRCm39) Y848* probably null Het
Dnhd1 C T 7: 105,352,674 (GRCm39) T2609I probably benign Het
Eif1ad5 T A 12: 87,946,948 (GRCm39) V130E unknown Het
Fat4 A G 3: 39,034,160 (GRCm39) Y2604C probably damaging Het
Fhad1 T C 4: 141,649,655 (GRCm39) D164G possibly damaging Het
Fnip1 G A 11: 54,366,563 (GRCm39) D109N probably damaging Het
Gfm1 A G 3: 67,342,847 (GRCm39) D127G probably damaging Het
Hdgfl2 T C 17: 56,403,987 (GRCm39) V281A possibly damaging Het
Hmg20b T C 10: 81,184,347 (GRCm39) E50G probably damaging Het
Myo5a A G 9: 75,111,083 (GRCm39) D1498G probably damaging Het
Poc5 T C 13: 96,547,111 (GRCm39) V458A probably damaging Het
Tada2b T C 5: 36,634,258 (GRCm39) M107V probably benign Het
Tle6 T C 10: 81,428,490 (GRCm39) probably null Het
Ugcg C T 4: 59,207,798 (GRCm39) P46S probably benign Het
Vmn2r112 T A 17: 22,822,096 (GRCm39) V258E probably damaging Het
Xkr7 G A 2: 152,896,318 (GRCm39) V391M possibly damaging Het
Other mutations in Gsap
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00788:Gsap APN 5 21,459,022 (GRCm39) missense probably damaging 0.96
IGL00788:Gsap APN 5 21,426,303 (GRCm39) splice site probably benign
IGL01344:Gsap APN 5 21,447,881 (GRCm39) critical splice donor site probably null
IGL01347:Gsap APN 5 21,431,318 (GRCm39) missense probably benign 0.08
IGL01618:Gsap APN 5 21,431,246 (GRCm39) missense probably damaging 1.00
IGL01730:Gsap APN 5 21,495,152 (GRCm39) unclassified probably benign
IGL02061:Gsap APN 5 21,486,609 (GRCm39) splice site probably benign
IGL02161:Gsap APN 5 21,458,377 (GRCm39) missense probably damaging 1.00
IGL02259:Gsap APN 5 21,391,398 (GRCm39) missense probably benign 0.01
IGL02635:Gsap APN 5 21,494,814 (GRCm39) missense probably damaging 1.00
IGL02684:Gsap APN 5 21,447,801 (GRCm39) critical splice acceptor site probably null
IGL02822:Gsap APN 5 21,422,442 (GRCm39) missense probably damaging 1.00
IGL03231:Gsap APN 5 21,434,164 (GRCm39) missense probably damaging 0.99
PIT4305001:Gsap UTSW 5 21,391,407 (GRCm39) missense probably damaging 0.98
R0012:Gsap UTSW 5 21,431,227 (GRCm39) splice site probably benign
R0012:Gsap UTSW 5 21,431,227 (GRCm39) splice site probably benign
R0019:Gsap UTSW 5 21,475,620 (GRCm39) splice site probably benign
R0019:Gsap UTSW 5 21,475,620 (GRCm39) splice site probably benign
R0045:Gsap UTSW 5 21,431,830 (GRCm39) missense possibly damaging 0.77
R0054:Gsap UTSW 5 21,455,933 (GRCm39) splice site probably benign
R0054:Gsap UTSW 5 21,455,933 (GRCm39) splice site probably benign
R0409:Gsap UTSW 5 21,427,443 (GRCm39) splice site probably benign
R0507:Gsap UTSW 5 21,474,961 (GRCm39) missense possibly damaging 0.75
R0624:Gsap UTSW 5 21,458,949 (GRCm39) splice site probably null
R1037:Gsap UTSW 5 21,456,163 (GRCm39) splice site probably benign
R1076:Gsap UTSW 5 21,492,692 (GRCm39) missense possibly damaging 0.75
R1459:Gsap UTSW 5 21,412,236 (GRCm39) splice site probably benign
R1757:Gsap UTSW 5 21,486,035 (GRCm39) missense probably damaging 0.98
R1852:Gsap UTSW 5 21,495,543 (GRCm39) splice site probably null
R2034:Gsap UTSW 5 21,475,593 (GRCm39) missense probably damaging 1.00
R2069:Gsap UTSW 5 21,431,837 (GRCm39) splice site probably benign
R2125:Gsap UTSW 5 21,447,811 (GRCm39) missense probably damaging 1.00
R2172:Gsap UTSW 5 21,427,438 (GRCm39) critical splice donor site probably null
R2310:Gsap UTSW 5 21,401,088 (GRCm39) nonsense probably null
R3442:Gsap UTSW 5 21,483,125 (GRCm39) missense probably damaging 1.00
R4229:Gsap UTSW 5 21,451,975 (GRCm39) missense probably benign 0.00
R4271:Gsap UTSW 5 21,431,348 (GRCm39) critical splice donor site probably null
R4551:Gsap UTSW 5 21,495,569 (GRCm39) missense probably damaging 1.00
R4553:Gsap UTSW 5 21,495,569 (GRCm39) missense probably damaging 1.00
R4649:Gsap UTSW 5 21,431,309 (GRCm39) missense probably damaging 1.00
R4687:Gsap UTSW 5 21,451,969 (GRCm39) utr 3 prime probably benign
R4799:Gsap UTSW 5 21,455,941 (GRCm39) missense probably benign 0.05
R4857:Gsap UTSW 5 21,492,797 (GRCm39) splice site probably null
R4973:Gsap UTSW 5 21,459,037 (GRCm39) missense probably benign 0.04
R5015:Gsap UTSW 5 21,427,406 (GRCm39) missense probably damaging 1.00
R5031:Gsap UTSW 5 21,447,824 (GRCm39) missense possibly damaging 0.57
R5120:Gsap UTSW 5 21,474,934 (GRCm39) missense probably damaging 0.96
R5451:Gsap UTSW 5 21,422,445 (GRCm39) missense probably damaging 1.00
R5469:Gsap UTSW 5 21,495,542 (GRCm39) missense possibly damaging 0.92
R5519:Gsap UTSW 5 21,494,857 (GRCm39) missense probably damaging 1.00
R5588:Gsap UTSW 5 21,456,147 (GRCm39) missense probably damaging 1.00
R5650:Gsap UTSW 5 21,456,051 (GRCm39) missense probably damaging 0.99
R6064:Gsap UTSW 5 21,434,223 (GRCm39) missense possibly damaging 0.56
R6139:Gsap UTSW 5 21,486,538 (GRCm39) missense probably damaging 1.00
R6148:Gsap UTSW 5 21,475,575 (GRCm39) missense probably benign 0.39
R6148:Gsap UTSW 5 21,431,323 (GRCm39) missense probably damaging 1.00
R6226:Gsap UTSW 5 21,422,429 (GRCm39) missense probably damaging 1.00
R6859:Gsap UTSW 5 21,486,016 (GRCm39) missense probably damaging 0.99
R6977:Gsap UTSW 5 21,476,219 (GRCm39) missense probably damaging 1.00
R6995:Gsap UTSW 5 21,476,235 (GRCm39) missense possibly damaging 0.58
R7013:Gsap UTSW 5 21,483,108 (GRCm39) missense probably benign 0.39
R7159:Gsap UTSW 5 21,475,618 (GRCm39) splice site probably null
R7181:Gsap UTSW 5 21,458,427 (GRCm39) missense probably damaging 1.00
R7234:Gsap UTSW 5 21,391,433 (GRCm39) missense probably benign
R7332:Gsap UTSW 5 21,495,119 (GRCm39) missense probably benign 0.00
R7381:Gsap UTSW 5 21,431,785 (GRCm39) missense probably damaging 0.96
R8047:Gsap UTSW 5 21,462,866 (GRCm39) critical splice acceptor site probably null
R8062:Gsap UTSW 5 21,399,461 (GRCm39) missense probably damaging 1.00
R8126:Gsap UTSW 5 21,475,010 (GRCm39) missense probably benign 0.04
R8219:Gsap UTSW 5 21,456,113 (GRCm39) missense probably benign 0.00
R8355:Gsap UTSW 5 21,456,017 (GRCm39) nonsense probably null
R8472:Gsap UTSW 5 21,427,432 (GRCm39) nonsense probably null
R8715:Gsap UTSW 5 21,431,245 (GRCm39) missense possibly damaging 0.84
R8745:Gsap UTSW 5 21,474,949 (GRCm39) missense probably benign 0.05
R8798:Gsap UTSW 5 21,476,248 (GRCm39) critical splice donor site probably null
R9080:Gsap UTSW 5 21,399,410 (GRCm39) missense possibly damaging 0.52
R9120:Gsap UTSW 5 21,458,434 (GRCm39) missense probably damaging 1.00
R9178:Gsap UTSW 5 21,422,471 (GRCm39) missense probably damaging 0.98
R9209:Gsap UTSW 5 21,433,064 (GRCm39) missense probably benign 0.10
R9404:Gsap UTSW 5 21,474,919 (GRCm39) missense probably damaging 1.00
Z1177:Gsap UTSW 5 21,456,030 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- CATTGCTAGCCTGCAGATGC -3'
(R):5'- TCCTAGGGAATGAGATGCATAAAC -3'

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