Incidental Mutation 'R1463:Npc1'
ID 159272
Institutional Source Beutler Lab
Gene Symbol Npc1
Ensembl Gene ENSMUSG00000024413
Gene Name NPC intracellular cholesterol transporter 1
Synonyms lcsd, nmf164, D18Ertd139e, D18Ertd723e, A430089E03Rik, C85354
MMRRC Submission 039517-MU
Accession Numbers
Essential gene? Possibly essential (E-score: 0.616) question?
Stock # R1463 (G1)
Quality Score 225
Status Validated
Chromosome 18
Chromosomal Location 12322749-12369457 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 12324887 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 1202 (T1202I)
Ref Sequence ENSEMBL: ENSMUSP00000025279 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025276] [ENSMUST00000025279] [ENSMUST00000138866]
AlphaFold O35604
Predicted Effect probably benign
Transcript: ENSMUST00000025276
SMART Domains Protein: ENSMUSP00000025276
Gene: ENSMUSG00000024410

DomainStartEndE-ValueType
SCOP:d1crza1 21 169 5e-4 SMART
low complexity region 268 281 N/A INTRINSIC
Pfam:Mic1 475 632 4.4e-73 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000025279
AA Change: T1202I

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000025279
Gene: ENSMUSG00000024413
AA Change: T1202I

DomainStartEndE-ValueType
low complexity region 8 15 N/A INTRINSIC
Pfam:NPC1_N 22 267 1.6e-79 PFAM
transmembrane domain 269 291 N/A INTRINSIC
transmembrane domain 353 375 N/A INTRINSIC
Pfam:Patched 436 896 3.5e-52 PFAM
Pfam:MMPL 648 794 6.3e-8 PFAM
Pfam:Sterol-sensing 649 803 2.7e-56 PFAM
Pfam:Patched 1023 1252 2.9e-33 PFAM
low complexity region 1259 1273 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000127123
Predicted Effect noncoding transcript
Transcript: ENSMUST00000134756
Predicted Effect probably benign
Transcript: ENSMUST00000138866
SMART Domains Protein: ENSMUSP00000121414
Gene: ENSMUSG00000024410

DomainStartEndE-ValueType
low complexity region 37 50 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000139151
Predicted Effect noncoding transcript
Transcript: ENSMUST00000153233
Predicted Effect noncoding transcript
Transcript: ENSMUST00000153352
Meta Mutation Damage Score 0.9320 question?
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.6%
Validation Efficiency 97% (97/100)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a large protein that resides in the limiting membrane of endosomes and lysosomes and mediates intracellular cholesterol trafficking via binding of cholesterol to its N-terminal domain. It is predicted to have a cytoplasmic C-terminus, 13 transmembrane domains, and 3 large loops in the lumen of the endosome - the last loop being at the N-terminus. This protein transports low-density lipoproteins to late endosomal/lysosomal compartments where they are hydrolized and released as free cholesterol. Defects in this gene cause Niemann-Pick type C disease, a rare autosomal recessive neurodegenerative disorder characterized by over accumulation of cholesterol and glycosphingolipids in late endosomal/lysosomal compartments.[provided by RefSeq, Aug 2009]
PHENOTYPE: Homozygotes for spontaneous and chemically induced mutations may exhibit lysosomal storage of non-esterified cholesterol, neurodegeneration, ataxia, presence of foam cells, sterility, and shortened lifespan. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 100 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca5 A T 11: 110,205,384 (GRCm39) I299N probably damaging Het
Abcc8 T C 7: 45,803,936 (GRCm39) T413A probably benign Het
Actc1 G A 2: 113,880,010 (GRCm39) S201F probably damaging Het
Adam30 G A 3: 98,069,841 (GRCm39) C558Y probably damaging Het
Adcy4 T A 14: 56,016,396 (GRCm39) I352F probably damaging Het
Adgrl4 A T 3: 151,216,233 (GRCm39) D472V probably damaging Het
Afap1l2 T A 19: 56,918,583 (GRCm39) M117L probably benign Het
AI597479 T C 1: 43,152,389 (GRCm39) V229A probably damaging Het
Ascc1 T C 10: 59,898,338 (GRCm39) V267A probably benign Het
Asxl3 A G 18: 22,649,810 (GRCm39) S600G possibly damaging Het
Atg14 T C 14: 47,786,451 (GRCm39) I268V probably benign Het
Bcas1 C T 2: 170,260,584 (GRCm39) V32I probably benign Het
Cacna1c G T 6: 118,570,955 (GRCm39) D2106E probably benign Het
Cacna1i A G 15: 80,263,255 (GRCm39) H1440R possibly damaging Het
Catsper2 G A 2: 121,236,927 (GRCm39) T240M probably damaging Het
Ccn4 T A 15: 66,791,120 (GRCm39) N307K possibly damaging Het
Cd163 A G 6: 124,288,406 (GRCm39) E279G probably damaging Het
Cdx2 C T 5: 147,243,470 (GRCm39) S108N probably benign Het
Cenpf A T 1: 189,386,936 (GRCm39) N1781K probably damaging Het
Cgref1 T A 5: 31,093,338 (GRCm39) probably benign Het
Clcn4 C T 7: 7,299,763 (GRCm39) W22* probably null Het
Cntn2 A G 1: 132,448,875 (GRCm39) probably null Het
Cntn5 C T 9: 9,673,801 (GRCm39) probably null Het
Cpeb3 A G 19: 37,116,500 (GRCm39) M377T probably benign Het
Cryge T A 1: 65,087,997 (GRCm39) R135* probably null Het
Ctdsp2 C A 10: 126,829,790 (GRCm39) probably benign Het
Ctsll3 G A 13: 60,949,089 (GRCm39) probably benign Het
Cuzd1 C A 7: 130,918,371 (GRCm39) G189C probably damaging Het
Dmbt1 T A 7: 130,711,366 (GRCm39) probably null Het
Dnai4 T A 4: 102,944,615 (GRCm39) L245F possibly damaging Het
Dnajc13 A T 9: 104,056,139 (GRCm39) S1587R probably damaging Het
Dock4 GCTCAGTGTATC GC 12: 40,866,324 (GRCm39) probably null Het
Dock6 T C 9: 21,743,202 (GRCm39) H701R probably damaging Het
Edem3 A G 1: 151,683,261 (GRCm39) T646A possibly damaging Het
Esrra A C 19: 6,889,823 (GRCm39) D160E probably benign Het
Fbn2 T C 18: 58,143,452 (GRCm39) T2868A probably benign Het
Galnt7 T A 8: 58,105,892 (GRCm39) M41L probably benign Het
Gbf1 T C 19: 46,259,984 (GRCm39) probably benign Het
Glyat A G 19: 12,625,467 (GRCm39) N63S probably damaging Het
Gm9376 A T 14: 118,504,894 (GRCm39) M109L probably benign Het
H2-M10.3 A G 17: 36,677,612 (GRCm39) V222A probably damaging Het
Ifna12 T G 4: 88,521,193 (GRCm39) D118A possibly damaging Het
Inpp5j T C 11: 3,451,147 (GRCm39) M501V probably benign Het
Itpr3 C T 17: 27,336,128 (GRCm39) probably benign Het
Ivns1abp A G 1: 151,237,291 (GRCm39) N527S probably benign Het
Kif13a T C 13: 47,083,088 (GRCm39) T4A possibly damaging Het
Kif3b T C 2: 153,172,073 (GRCm39) *748Q probably null Het
Klf8 C T X: 152,167,677 (GRCm39) Q241* probably null Het
Kras A T 6: 145,170,787 (GRCm39) probably benign Het
Lamc3 C A 2: 31,777,423 (GRCm39) T23K probably benign Het
Lrrc74b T A 16: 17,377,737 (GRCm39) H47L probably benign Het
Ly75 A G 2: 60,199,101 (GRCm39) probably null Het
Map3k21 G A 8: 126,668,876 (GRCm39) G821S probably benign Het
Mettl14 A G 3: 123,167,722 (GRCm39) probably benign Het
Mettl5 T C 2: 69,715,590 (GRCm39) probably benign Het
Mier3 A G 13: 111,848,289 (GRCm39) D301G probably damaging Het
Mipep T C 14: 61,025,595 (GRCm39) probably benign Het
Mmp21 T C 7: 133,277,588 (GRCm39) probably null Het
Msh4 A G 3: 153,563,207 (GRCm39) L723P probably damaging Het
Muc5b T C 7: 141,412,817 (GRCm39) V1921A unknown Het
Myo1e G A 9: 70,246,038 (GRCm39) E410K possibly damaging Het
Nav2 T G 7: 49,185,710 (GRCm39) I951S probably damaging Het
Or10j3 A G 1: 173,030,934 (GRCm39) K4E probably benign Het
Or2ab1 A G 11: 58,488,947 (GRCm39) R242G probably damaging Het
Or5a3 C T 19: 12,400,252 (GRCm39) T193I probably benign Het
Pacc1 T C 1: 191,060,486 (GRCm39) probably benign Het
Patl2 C T 2: 121,954,216 (GRCm39) V452M probably benign Het
Pcdh18 A G 3: 49,709,854 (GRCm39) V487A probably damaging Het
Pdzph1 C T 17: 59,239,440 (GRCm39) A963T probably damaging Het
Pkd1l1 C T 11: 8,866,302 (GRCm39) V518M probably damaging Het
Plcd3 A G 11: 102,969,199 (GRCm39) F256S probably damaging Het
Proc T C 18: 32,266,491 (GRCm39) D112G possibly damaging Het
Ptges2 T A 2: 32,290,874 (GRCm39) probably null Het
Pth2r A T 1: 65,402,436 (GRCm39) R312W probably damaging Het
Pttg1ip2 C A 5: 5,502,073 (GRCm39) probably benign Het
Rbbp6 C T 7: 122,591,676 (GRCm39) H546Y possibly damaging Het
Retreg2 A G 1: 75,123,164 (GRCm39) E364G probably damaging Het
Rxrb G A 17: 34,253,134 (GRCm39) C185Y probably damaging Het
Septin2 T A 1: 93,427,037 (GRCm39) N133K possibly damaging Het
Serpina3b T A 12: 104,104,969 (GRCm39) S382T probably benign Het
Serpinb9e T C 13: 33,439,099 (GRCm39) F175S probably benign Het
Slc19a2 C T 1: 164,084,766 (GRCm39) H219Y probably damaging Het
Slfn9 A T 11: 82,872,524 (GRCm39) D737E possibly damaging Het
Snx31 T C 15: 36,539,444 (GRCm39) E144G probably null Het
Sp2 A G 11: 96,854,282 (GRCm39) probably benign Het
Spag9 C T 11: 94,007,663 (GRCm39) L1117F probably damaging Het
Spata31e2 G T 1: 26,721,222 (GRCm39) Y1319* probably null Het
Syndig1l A T 12: 84,727,137 (GRCm39) probably benign Het
Sypl1 A T 12: 33,024,332 (GRCm39) probably benign Het
Tmem169 T C 1: 72,339,855 (GRCm39) M95T probably benign Het
Tnfrsf17 A G 16: 11,133,066 (GRCm39) Y48C possibly damaging Het
Ttn A T 2: 76,657,859 (GRCm39) probably benign Het
Uap1 G C 1: 169,977,952 (GRCm39) H366Q probably benign Het
Ulbp1 A G 10: 7,396,557 (GRCm39) probably benign Het
Urb2 T C 8: 124,757,647 (GRCm39) V1118A probably benign Het
Usp54 T C 14: 20,600,258 (GRCm39) N1493S probably benign Het
Vmn1r129 C A 7: 21,094,655 (GRCm39) V188F probably benign Het
Vmn1r226 A T 17: 20,907,994 (GRCm39) L75F probably benign Het
Yes1 T A 5: 32,809,046 (GRCm39) S137R probably benign Het
Zfp804b A G 5: 7,229,372 (GRCm39) probably benign Het
Other mutations in Npc1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02347:Npc1 APN 18 12,332,691 (GRCm39) missense probably benign 0.45
IGL02523:Npc1 APN 18 12,334,629 (GRCm39) missense probably benign 0.00
IGL03018:Npc1 APN 18 12,347,436 (GRCm39) missense probably damaging 0.99
IGL03101:Npc1 APN 18 12,331,596 (GRCm39) missense probably benign 0.15
IGL03151:Npc1 APN 18 12,352,332 (GRCm39) missense probably benign 0.05
IGL03377:Npc1 APN 18 12,344,878 (GRCm39) missense probably benign
PIT4354001:Npc1 UTSW 18 12,344,592 (GRCm39) missense probably benign 0.00
R0068:Npc1 UTSW 18 12,341,424 (GRCm39) missense probably benign 0.04
R0068:Npc1 UTSW 18 12,341,424 (GRCm39) missense probably benign 0.04
R0190:Npc1 UTSW 18 12,324,887 (GRCm39) missense probably damaging 1.00
R0200:Npc1 UTSW 18 12,352,261 (GRCm39) missense probably damaging 1.00
R0485:Npc1 UTSW 18 12,346,503 (GRCm39) missense probably benign 0.00
R0699:Npc1 UTSW 18 12,343,632 (GRCm39) missense probably benign 0.00
R0730:Npc1 UTSW 18 12,352,382 (GRCm39) missense probably benign 0.00
R1302:Npc1 UTSW 18 12,328,142 (GRCm39) missense probably benign 0.00
R1442:Npc1 UTSW 18 12,328,106 (GRCm39) missense probably benign
R1804:Npc1 UTSW 18 12,356,145 (GRCm39) missense probably damaging 1.00
R1808:Npc1 UTSW 18 12,327,149 (GRCm39) missense probably damaging 1.00
R1928:Npc1 UTSW 18 12,346,435 (GRCm39) missense possibly damaging 0.79
R2112:Npc1 UTSW 18 12,346,529 (GRCm39) missense possibly damaging 0.49
R2117:Npc1 UTSW 18 12,329,613 (GRCm39) missense probably damaging 1.00
R2157:Npc1 UTSW 18 12,324,866 (GRCm39) missense probably damaging 0.98
R2279:Npc1 UTSW 18 12,330,236 (GRCm39) splice site probably null
R2311:Npc1 UTSW 18 12,335,240 (GRCm39) missense probably benign
R2446:Npc1 UTSW 18 12,347,396 (GRCm39) missense probably benign 0.01
R3004:Npc1 UTSW 18 12,330,311 (GRCm39) missense probably benign 0.03
R4090:Npc1 UTSW 18 12,331,219 (GRCm39) splice site probably null
R4304:Npc1 UTSW 18 12,343,584 (GRCm39) missense possibly damaging 0.77
R4308:Npc1 UTSW 18 12,343,584 (GRCm39) missense possibly damaging 0.77
R4564:Npc1 UTSW 18 12,324,789 (GRCm39) missense probably damaging 1.00
R4786:Npc1 UTSW 18 12,332,554 (GRCm39) missense probably benign 0.35
R5243:Npc1 UTSW 18 12,331,688 (GRCm39) intron probably benign
R5404:Npc1 UTSW 18 12,346,356 (GRCm39) missense possibly damaging 0.79
R5823:Npc1 UTSW 18 12,324,846 (GRCm39) missense possibly damaging 0.69
R6080:Npc1 UTSW 18 12,352,408 (GRCm39) missense probably damaging 1.00
R6215:Npc1 UTSW 18 12,369,249 (GRCm39) small deletion probably benign
R6301:Npc1 UTSW 18 12,330,302 (GRCm39) missense probably benign 0.00
R6476:Npc1 UTSW 18 12,334,751 (GRCm39) nonsense probably null
R7007:Npc1 UTSW 18 12,343,605 (GRCm39) missense probably benign 0.02
R7020:Npc1 UTSW 18 12,331,594 (GRCm39) missense probably damaging 1.00
R7048:Npc1 UTSW 18 12,337,822 (GRCm39) splice site probably null
R7116:Npc1 UTSW 18 12,344,601 (GRCm39) missense probably damaging 1.00
R7153:Npc1 UTSW 18 12,346,348 (GRCm39) missense possibly damaging 0.78
R7359:Npc1 UTSW 18 12,328,237 (GRCm39) missense probably benign 0.05
R7382:Npc1 UTSW 18 12,334,763 (GRCm39) missense probably damaging 0.99
R7765:Npc1 UTSW 18 12,328,105 (GRCm39) missense probably benign 0.01
R8047:Npc1 UTSW 18 12,346,374 (GRCm39) missense probably benign 0.00
R8094:Npc1 UTSW 18 12,327,297 (GRCm39) missense probably benign
R8161:Npc1 UTSW 18 12,328,129 (GRCm39) missense possibly damaging 0.77
R8310:Npc1 UTSW 18 12,326,455 (GRCm39) missense probably damaging 0.98
R8821:Npc1 UTSW 18 12,333,877 (GRCm39) missense probably benign 0.01
R8831:Npc1 UTSW 18 12,333,877 (GRCm39) missense probably benign 0.01
R8847:Npc1 UTSW 18 12,323,987 (GRCm39) missense probably damaging 1.00
R9022:Npc1 UTSW 18 12,346,422 (GRCm39) missense probably benign
R9343:Npc1 UTSW 18 12,334,769 (GRCm39) missense possibly damaging 0.52
R9460:Npc1 UTSW 18 12,346,398 (GRCm39) missense possibly damaging 0.93
R9723:Npc1 UTSW 18 12,343,649 (GRCm39) missense probably benign
X0012:Npc1 UTSW 18 12,326,368 (GRCm39) splice site probably null
Predicted Primers PCR Primer
(F):5'- TCCAGGATGCCTAAGGAAATGCCC -3'
(R):5'- TGCTCATAAAGCAGCAGGCCAGAC -3'

Sequencing Primer
(F):5'- ccatcctgcttccactcc -3'
(R):5'- GCCAGACAGTTTGGGTACG -3'
Posted On 2014-03-14