Incidental Mutation 'R1945:Npc1l1'
ID 216592
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
MMRRC Submission 039963-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.098) question?
Stock # R1945 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 6161013-6180143 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) C to T at 6175199 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tryptophan to Stop codon at position 592 (W592*)
Ref Sequence ENSEMBL: ENSMUSP00000004505 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000004505]
AlphaFold no structure available at present
Predicted Effect probably null
Transcript: ENSMUST00000004505
AA Change: W592*
SMART Domains Protein: ENSMUSP00000004505
Gene: ENSMUSG00000020447
AA Change: W592*

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
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.6%
  • 20x: 93.4%
Validation Efficiency
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930562C15Rik A G 16: 4,653,549 (GRCm39) I33V unknown Het
Abca1 ACGTCTTCACCAGGTAATC AC 4: 53,061,509 (GRCm39) probably null Het
Amotl2 T C 9: 102,597,753 (GRCm39) S171P probably benign Het
Armh4 T A 14: 50,005,940 (GRCm39) E585V probably damaging Het
Atf6 A T 1: 170,682,710 (GRCm39) V34E probably benign Het
Atrip T A 9: 108,900,935 (GRCm39) I135F probably damaging Het
Bglap A G 3: 88,290,971 (GRCm39) Y87H probably damaging Het
Camk2n1 G A 4: 138,184,094 (GRCm39) V78I possibly damaging Het
Ccdc92b A G 11: 74,520,835 (GRCm39) I46V probably benign Het
Cdc14b T C 13: 64,367,704 (GRCm39) Y208C probably damaging Het
Cdc42bpb C T 12: 111,265,567 (GRCm39) R1455Q probably damaging Het
Cep170 C A 1: 176,621,100 (GRCm39) G26* probably null Het
Cfap46 A G 7: 139,259,819 (GRCm39) F217S probably damaging Het
Col11a2 A T 17: 34,278,142 (GRCm39) D691V probably damaging Het
Col7a1 G A 9: 108,789,078 (GRCm39) V798I unknown Het
Coq8b CGCA CGCAGCA 7: 26,933,405 (GRCm39) probably benign Het
Coq8b GCA GCAACA 7: 26,933,406 (GRCm39) probably benign Het
Dcaf5 T C 12: 80,385,468 (GRCm39) D886G probably benign Het
Ern1 A G 11: 106,312,776 (GRCm39) S202P probably damaging Het
Etaa1 A G 11: 17,897,233 (GRCm39) C295R probably damaging Het
Ghdc C T 11: 100,660,031 (GRCm39) A239T probably benign Het
Grik4 T C 9: 42,432,300 (GRCm39) D899G possibly damaging Het
Hacd2 C A 16: 34,922,354 (GRCm39) T181K possibly damaging Het
Havcr2 T C 11: 46,345,877 (GRCm39) L17P unknown Het
Herc3 T C 6: 58,864,424 (GRCm39) V686A probably damaging Het
Hyal3 T C 9: 107,462,671 (GRCm39) L235P probably damaging Het
Itgb4 C T 11: 115,884,279 (GRCm39) Q988* probably null Het
Itprid2 T C 2: 79,492,996 (GRCm39) V1181A probably benign Het
Krt32 T A 11: 99,975,670 (GRCm39) probably null Het
Krt33a T C 11: 99,903,535 (GRCm39) N199S probably benign Het
Lama1 T A 17: 68,052,848 (GRCm39) S394T probably benign Het
Lamp1 T C 8: 13,222,545 (GRCm39) V243A probably benign Het
Loxhd1 A G 18: 77,492,504 (GRCm39) Y1315C probably damaging Het
Macf1 A T 4: 123,384,453 (GRCm39) L1148* probably null Het
Mill2 A G 7: 18,575,419 (GRCm39) H42R probably benign Het
Myo15a T C 11: 60,392,909 (GRCm39) F2194L probably damaging Het
Myo15b A T 11: 115,769,224 (GRCm39) I1472F probably damaging Het
Nasp T C 4: 116,479,965 (GRCm39) S36G possibly damaging Het
Nav2 A G 7: 49,114,620 (GRCm39) Y868C probably damaging Het
Niban1 T C 1: 151,571,979 (GRCm39) I308T probably damaging Het
Nono T C X: 100,485,429 (GRCm39) probably null Het
Nsg2 T C 11: 32,005,068 (GRCm39) V90A probably damaging Het
Odf4 T C 11: 68,812,983 (GRCm39) N225S possibly damaging Het
Oosp2 C T 19: 11,626,959 (GRCm39) probably null Het
Or1j12 T C 2: 36,343,043 (GRCm39) W149R probably damaging Het
Or4c123 T C 2: 89,127,128 (GRCm39) Y162C probably damaging Het
Pcdhb4 A T 18: 37,441,921 (GRCm39) R410S probably damaging Het
Pde6c T A 19: 38,145,967 (GRCm39) D418E probably damaging Het
Pik3ap1 A T 19: 41,262,776 (GRCm39) S799T probably benign Het
Pitx2 A G 3: 129,012,185 (GRCm39) N198S probably damaging Het
Psmb3 T C 11: 97,601,981 (GRCm39) F117S probably benign Het
Ptprq A T 10: 107,418,249 (GRCm39) M1709K probably benign Het
Recql5 G A 11: 115,819,123 (GRCm39) R148* probably null Het
Reep3 A G 10: 66,871,678 (GRCm39) S97P probably damaging Het
Rnase12 T A 14: 51,294,463 (GRCm39) Q72L possibly damaging Het
Scd3 T C 19: 44,224,219 (GRCm39) Y151H probably benign Het
Scn10a A T 9: 119,520,520 (GRCm39) S127T possibly damaging Het
Scn7a A T 2: 66,506,324 (GRCm39) W1522R probably damaging Het
Senp7 A G 16: 55,944,309 (GRCm39) H211R probably damaging Het
Septin10 C T 10: 59,016,841 (GRCm39) probably null Het
Serpinb6d T C 13: 33,851,663 (GRCm39) V140A possibly damaging Het
Sned1 A G 1: 93,198,960 (GRCm39) E457G probably benign Het
Spag17 A C 3: 99,847,298 (GRCm39) M76L probably benign Het
Spata31e2 C A 1: 26,721,395 (GRCm39) V1262F probably benign Het
Spata31e3 C T 13: 50,399,527 (GRCm39) G933E probably damaging Het
Sspo A T 6: 48,466,707 (GRCm39) E105V possibly damaging Het
Stoml3 T A 3: 53,412,866 (GRCm39) D173E possibly damaging Het
Sun3 T C 11: 8,988,296 (GRCm39) I9V probably benign Het
Svil T C 18: 5,117,059 (GRCm39) W2165R probably damaging Het
Tbl2 T A 5: 135,186,454 (GRCm39) S184T possibly damaging Het
Tdrd7 A T 4: 45,965,474 (GRCm39) T31S probably benign Het
Tmeff1 A G 4: 48,614,960 (GRCm39) N139S possibly damaging Het
Trip13 T C 13: 74,076,043 (GRCm39) R199G probably damaging Het
Tshb G T 3: 102,684,831 (GRCm39) Y124* probably null Het
Ttn T C 2: 76,560,366 (GRCm39) E29345G probably damaging Het
Usp33 T A 3: 152,085,223 (GRCm39) S620T probably benign Het
Vipr1 G A 9: 121,497,540 (GRCm39) G353R probably damaging Het
Vipr1 G T 9: 121,497,541 (GRCm39) G353V probably damaging Het
Vps13c A T 9: 67,793,558 (GRCm39) D437V probably damaging Het
Ylpm1 T A 12: 85,062,192 (GRCm39) S240T probably damaging Het
Zfp772 A G 7: 7,206,629 (GRCm39) I354T probably benign Het
Zfp959 T A 17: 56,204,231 (GRCm39) Y86* probably null 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 6,164,588 (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
R5754:Npc1l1 UTSW 11 6,177,839 (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'- CTGCAGGAGCCTCTAACACAAG -3'
(R):5'- TGGGAGAAGGTTACACCCTG -3'

Sequencing Primer
(F):5'- AGCTAGGCACAGGTGTTCACTG -3'
(R):5'- CCTGAGGGGAGGAGGGG -3'
Posted On 2014-08-01