{{Rsnum
|rsid=6766410
|Gene=HTR3C
|Chromosome=3
|position=184056974
|Orientation=plus
|ReferenceAllele=C
|MissenseAllele=A
|GMAF=0.4949
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene_s=HTR3C
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 12.4 | 55.8 | 31.9
| HCB | 39.3 | 45.9 | 14.8
| JPT | 38.1 | 45.1 | 16.8
| YRI | 19.2 | 43.8 | 37.0
| ASW | 10.7 | 51.8 | 37.5
| CHB | 39.3 | 45.9 | 14.8
| CHD | 39.6 | 45.3 | 15.1
| GIH | 6.9 | 43.6 | 49.5
| LWK | 10.0 | 50.9 | 39.1
| MEX | 38.6 | 43.9 | 17.5
| MKK | 13.5 | 54.8 | 31.6
| TSI | 26.5 | 49.0 | 24.5
| HapMapRevision=28
}}[[rs6766410]] is a SNP in the 5-hydroxytryptamine (serotonin) receptor 3, family member C [[HTR3C]] gene.

In a study of 97 familes with at least one individual with [[autism]], [[rs6766410]] was significantly associated with the disorder (p = 0.0012).{{PMID|19035560|OA=1
}}

{{GET Evidence
|gene=HTR3C
|aa_change=Asn163Lys
|aa_change_short=N163K
|impact=not reviewed
|qualified_impact=Insufficiently evaluated not reviewed
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs6766410
|overall_frequency_n=4558
|overall_frequency_d=10758
|overall_frequency=0.423685
|n_genomes=35
|n_genomes_annotated=0
|n_haplomes=49
|n_articles=0
|n_articles_annotated=0
|pph2_score=0.034
|nblosum100=1
|autoscore=0
|webscore=N
}}

{{PMID Auto
|PMID=23928294
|Title=5-HT3 receptor influences the washing phenotype and visual organization in obsessive-compulsive disorder supporting 5-HT3 receptor antagonists as novel treatment option
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | FTDNA}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}