Incidental Mutation 'R5754:Npc1l1'
ID 444958
Institutional Source Beutler Lab
Gene Symbol Npc1l1
Ensembl Gene ENSMUSG00000020447
Gene Name NPC1 like intracellular cholesterol transporter 1
Synonyms Niemann-Pick disease, type C1, 9130221N23Rik
Accession Numbers
Essential gene? Probably non essential (E-score: 0.098) question?
Stock # R5754 (G1)
Quality Score 225
Status Validated
Chromosome 11
Chromosomal Location 6161013-6180143 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 6177839 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Histidine at position 524 (Y524H)
Ref Sequence ENSEMBL: ENSMUSP00000004505 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000004505]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000004505
AA Change: Y524H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000004505
Gene: ENSMUSG00000020447
AA Change: Y524H

DomainStartEndE-ValueType
signal peptide 1 20 N/A INTRINSIC
Pfam:NPC1_N 28 283 8.7e-74 PFAM
low complexity region 294 307 N/A INTRINSIC
transmembrane domain 348 370 N/A INTRINSIC
Pfam:Patched 385 897 4.7e-52 PFAM
Pfam:Sterol-sensing 661 815 5.7e-55 PFAM
Pfam:MMPL 665 830 2.3e-11 PFAM
Pfam:Patched 1063 1268 6.2e-34 PFAM
Meta Mutation Damage Score 0.5846 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.8%
Validation Efficiency 98% (61/62)
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 a multi-pass membrane protein. It contains a conserved N-terminal Niemann-Pick C1 (NPC1) domain and a putative sterol-sensing domain (SSD) which includes a YQRL motif functioning as a plasma membrane to trans-Golgi network transport signal in other proteins. This protein takes up free cholesterol into cells through vesicular endocytosis and plays a critical role in the absorption of intestinal cholesterol. It also has the ability to transport alpha-tocopherol (vitamin E). The drug ezetimibe targets this protein and inhibits the absorption of intestinal cholesterol and alpha-tocopherol. In addition, this protein may play a critical role in regulating lipid metabolism. Polymorphic variations in this gene are associated with plasma total cholesterol and low-density lipoprotein cholesterol (LDL-C) levels and coronary heart disease (CHD) risk. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]
PHENOTYPE: Mice homozygous for a targeted null mutation exhibit normal intestinal development, fertility and plasma cholesterol and triglyceride levels; however, intestinal cholesterol absorption was substantially reduced. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb4 T A 5: 8,984,320 (GRCm39) N683K probably benign Het
Atad2b T A 12: 5,060,351 (GRCm39) H915Q probably benign Het
Bltp2 T C 11: 78,160,367 (GRCm39) S609P probably damaging Het
Camk1d G T 2: 5,449,908 (GRCm39) P91Q probably benign Het
Camk1d G C 2: 5,449,910 (GRCm39) S90R probably damaging Het
Card11 T C 5: 140,885,524 (GRCm39) E345G probably damaging Het
Ccpg1 G T 9: 72,920,526 (GRCm39) V714L possibly damaging Het
Chst9 T C 18: 15,586,254 (GRCm39) E103G possibly damaging Het
Cnga1 C T 5: 72,762,615 (GRCm39) V300I probably benign Het
Crb1 T C 1: 139,159,337 (GRCm39) Y1295C probably damaging Het
Dnah5 A G 15: 28,402,014 (GRCm39) T3392A probably benign Het
Elp3 C A 14: 65,785,439 (GRCm39) R473L probably damaging Het
Epgn T A 5: 91,181,807 (GRCm39) I145N probably benign Het
Fam107b G A 2: 3,779,457 (GRCm39) G220D probably damaging Het
Fbn2 A G 18: 58,257,383 (GRCm39) V328A probably benign Het
Fn1 A T 1: 71,639,481 (GRCm39) I1770N probably damaging Het
Fndc1 T A 17: 7,988,585 (GRCm39) Y1159F unknown Het
Frem2 A G 3: 53,444,679 (GRCm39) L2484P probably damaging Het
Grk2 C T 19: 4,340,496 (GRCm39) R295H probably damaging Het
Gtf3c1 A T 7: 125,243,237 (GRCm39) V1789D possibly damaging Het
Hmgcl T C 4: 135,677,898 (GRCm39) V33A probably damaging Het
Ighv7-1 A G 12: 113,860,239 (GRCm39) F51S probably damaging Het
Kcna6 A G 6: 126,716,688 (GRCm39) L67P probably damaging Het
Lamc1 A T 1: 153,123,030 (GRCm39) V720E probably benign Het
Lrch1 T C 14: 75,054,558 (GRCm39) D312G probably damaging Het
Mix23 A G 16: 35,905,427 (GRCm39) N63S probably benign Het
Nav2 A G 7: 49,206,794 (GRCm39) T1540A probably damaging Het
Nisch A T 14: 30,913,373 (GRCm39) probably benign Het
Nos1ap T A 1: 170,176,968 (GRCm39) K145M probably damaging Het
Nrap T C 19: 56,377,916 (GRCm39) T25A possibly damaging Het
Nusap1 A G 2: 119,477,580 (GRCm39) K363R probably damaging Het
Or5ar1 T C 2: 85,671,656 (GRCm39) T160A probably damaging Het
Or5b124 A G 19: 13,611,357 (GRCm39) E294G probably damaging Het
Or7e177 T A 9: 20,212,390 (GRCm39) L298Q probably damaging Het
Pde4d T C 13: 110,074,547 (GRCm39) I384T probably damaging Het
Pkhd1 T A 1: 20,593,875 (GRCm39) R1413* probably null Het
Plcd3 T A 11: 102,964,592 (GRCm39) Y593F possibly damaging Het
Plxna1 A T 6: 89,310,087 (GRCm39) I1026N possibly damaging Het
Podxl T A 6: 31,501,329 (GRCm39) I409F probably damaging Het
Polq A C 16: 36,837,625 (GRCm39) Q179P probably benign Het
Pomt1 T C 2: 32,137,602 (GRCm39) V401A probably damaging Het
Qdpr C T 5: 45,596,727 (GRCm39) G146S probably damaging Het
Shc4 T A 2: 125,512,218 (GRCm39) Q2L probably damaging Het
Skint8 T A 4: 111,807,387 (GRCm39) C358S probably benign Het
Smc5 T C 19: 23,221,467 (GRCm39) E354G possibly damaging Het
Snx30 T C 4: 59,868,275 (GRCm39) V129A probably damaging Het
Sp110 G C 1: 85,504,923 (GRCm39) probably benign Het
Spag6 T A 2: 18,703,613 (GRCm39) probably benign Het
Trim28 T A 7: 12,763,036 (GRCm39) Y450N probably benign Het
Trip11 C T 12: 101,851,924 (GRCm39) W428* probably null Het
Umodl1 T A 17: 31,213,761 (GRCm39) V966E probably damaging Het
Utf1 A G 7: 139,524,704 (GRCm39) probably benign Het
Vmn1r72 T C 7: 11,403,776 (GRCm39) Y224C probably damaging Het
Whrn A G 4: 63,334,825 (GRCm39) S748P probably damaging Het
Zbtb41 T A 1: 139,359,816 (GRCm39) probably null Het
Zfhx3 T C 8: 109,526,964 (GRCm39) F954L probably damaging Het
Zfp456 A T 13: 67,514,359 (GRCm39) I449K probably benign Het
Other mutations in Npc1l1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00163:Npc1l1 APN 11 6,174,199 (GRCm39) missense probably damaging 1.00
IGL01348:Npc1l1 APN 11 6,177,974 (GRCm39) missense probably damaging 1.00
IGL01891:Npc1l1 APN 11 6,164,280 (GRCm39) missense probably damaging 1.00
IGL01897:Npc1l1 APN 11 6,177,879 (GRCm39) missense probably benign
IGL02098:Npc1l1 APN 11 6,164,581 (GRCm39) missense probably damaging 0.99
IGL02121:Npc1l1 APN 11 6,178,157 (GRCm39) missense probably benign
IGL02724:Npc1l1 APN 11 6,164,684 (GRCm39) missense possibly damaging 0.88
IGL02947:Npc1l1 APN 11 6,179,246 (GRCm39) missense probably benign 0.01
IGL03328:Npc1l1 APN 11 6,168,643 (GRCm39) nonsense probably null
R0137:Npc1l1 UTSW 11 6,178,148 (GRCm39) nonsense probably null
R0322:Npc1l1 UTSW 11 6,179,042 (GRCm39) missense probably benign
R0352:Npc1l1 UTSW 11 6,173,076 (GRCm39) missense probably benign 0.00
R0492:Npc1l1 UTSW 11 6,173,040 (GRCm39) missense possibly damaging 0.82
R0918:Npc1l1 UTSW 11 6,168,239 (GRCm39) missense probably damaging 1.00
R1300:Npc1l1 UTSW 11 6,177,859 (GRCm39) missense probably damaging 1.00
R1455:Npc1l1 UTSW 11 6,178,174 (GRCm39) missense possibly damaging 0.66
R1588:Npc1l1 UTSW 11 6,167,785 (GRCm39) missense probably benign 0.01
R1803:Npc1l1 UTSW 11 6,178,846 (GRCm39) missense probably damaging 1.00
R1882:Npc1l1 UTSW 11 6,167,473 (GRCm39) splice site probably null
R1944:Npc1l1 UTSW 11 6,164,588 (GRCm39) missense possibly damaging 0.67
R1945:Npc1l1 UTSW 11 6,175,199 (GRCm39) nonsense probably null
R1945:Npc1l1 UTSW 11 6,164,588 (GRCm39) missense possibly damaging 0.67
R3155:Npc1l1 UTSW 11 6,171,840 (GRCm39) missense probably benign
R4343:Npc1l1 UTSW 11 6,167,773 (GRCm39) missense probably benign
R4504:Npc1l1 UTSW 11 6,178,741 (GRCm39) missense possibly damaging 0.61
R4610:Npc1l1 UTSW 11 6,178,215 (GRCm39) missense probably damaging 1.00
R4807:Npc1l1 UTSW 11 6,168,723 (GRCm39) missense probably damaging 1.00
R4829:Npc1l1 UTSW 11 6,164,010 (GRCm39) critical splice donor site probably null
R5135:Npc1l1 UTSW 11 6,174,245 (GRCm39) missense possibly damaging 0.94
R5290:Npc1l1 UTSW 11 6,172,221 (GRCm39) missense probably benign 0.00
R5369:Npc1l1 UTSW 11 6,167,705 (GRCm39) critical splice donor site probably null
R5388:Npc1l1 UTSW 11 6,164,733 (GRCm39) missense probably damaging 1.00
R5532:Npc1l1 UTSW 11 6,174,245 (GRCm39) missense probably damaging 0.98
R5540:Npc1l1 UTSW 11 6,164,546 (GRCm39) missense probably damaging 1.00
R5760:Npc1l1 UTSW 11 6,179,031 (GRCm39) missense probably benign 0.02
R6057:Npc1l1 UTSW 11 6,167,806 (GRCm39) missense possibly damaging 0.66
R6388:Npc1l1 UTSW 11 6,174,145 (GRCm39) missense probably damaging 1.00
R6644:Npc1l1 UTSW 11 6,164,014 (GRCm39) missense probably damaging 0.98
R6644:Npc1l1 UTSW 11 6,164,013 (GRCm39) missense probably damaging 1.00
R6756:Npc1l1 UTSW 11 6,165,153 (GRCm39) missense probably damaging 1.00
R6790:Npc1l1 UTSW 11 6,164,260 (GRCm39) splice site probably null
R7006:Npc1l1 UTSW 11 6,167,731 (GRCm39) missense probably benign
R7062:Npc1l1 UTSW 11 6,167,807 (GRCm39) missense probably benign
R7273:Npc1l1 UTSW 11 6,168,320 (GRCm39) missense probably damaging 1.00
R7383:Npc1l1 UTSW 11 6,167,777 (GRCm39) missense probably benign 0.30
R8003:Npc1l1 UTSW 11 6,165,129 (GRCm39) missense probably benign 0.01
R8081:Npc1l1 UTSW 11 6,167,768 (GRCm39) missense probably benign 0.01
R8272:Npc1l1 UTSW 11 6,179,327 (GRCm39) nonsense probably null
R8549:Npc1l1 UTSW 11 6,168,675 (GRCm39) missense probably damaging 1.00
R8849:Npc1l1 UTSW 11 6,179,038 (GRCm39) missense probably damaging 0.97
R8887:Npc1l1 UTSW 11 6,175,665 (GRCm39) missense probably damaging 1.00
R8907:Npc1l1 UTSW 11 6,178,157 (GRCm39) missense probably benign 0.28
R9102:Npc1l1 UTSW 11 6,164,684 (GRCm39) missense possibly damaging 0.88
R9289:Npc1l1 UTSW 11 6,168,355 (GRCm39) nonsense probably null
R9626:Npc1l1 UTSW 11 6,177,854 (GRCm39) missense probably benign 0.05
R9785:Npc1l1 UTSW 11 6,180,090 (GRCm39) missense unknown
X0022:Npc1l1 UTSW 11 6,178,058 (GRCm39) missense probably damaging 1.00
Z1177:Npc1l1 UTSW 11 6,175,209 (GRCm39) missense possibly damaging 0.92
Z1177:Npc1l1 UTSW 11 6,168,681 (GRCm39) missense probably damaging 0.99
Z1177:Npc1l1 UTSW 11 6,164,343 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGATCATATGGATTGGAGCTGG -3'
(R):5'- CTCCAGGACATCTGCTATGCTC -3'

Sequencing Primer
(F):5'- ACTGGTAGGACAAAATTCCTGC -3'
(R):5'- GCTATGCTCCCCTCAAACCG -3'
Posted On 2016-11-21