{{Rsnum
|rsid=1429934
|Gene=NPC1
|Chromosome=18
|position=23582324
|Orientation=plus
|GMAF=0.2273
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=NPC1
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 5.5 | 44.0 | 50.5
| HCB | 0.7 | 12.4 | 86.9
| JPT | 0.0 | 9.7 | 90.3
| YRI | 5.4 | 42.2 | 52.4
| ASW | 7.0 | 31.6 | 61.4
| CHB | 0.7 | 12.4 | 86.9
| CHD | 0.0 | 13.8 | 86.2
| GIH | 2.0 | 29.0 | 69.0
| LWK | 4.5 | 36.4 | 59.1
| MEX | 6.9 | 32.8 | 60.3
| MKK | 8.3 | 29.5 | 62.2
| TSI | 21.6 | 41.2 | 37.3
| HapMapRevision=28
}}{{PMID Auto
|PMID=20489167
|Title=Niemann-Pick Disease Type C1 Modulates Hepatic Triglyceride Metabolism and Its Genetic Variation Contributes to Serum Triglyceride Levels
}}

{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}