{{Rsnum
|rsid=4822724
|Chromosome=22
|Orientation=plus
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene=SRRD
|position=26484590
|Gene_s=HPS4,SRRD
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 26.5 | 43.4 | 30.1
| HCB | 18.2 | 43.8 | 38.0
| JPT | 19.5 | 54.9 | 25.7
| YRI | 8.8 | 52.4 | 38.8
| ASW | 14.0 | 54.4 | 31.6
| CHB | 18.2 | 43.8 | 38.0
| CHD | 25.9 | 49.1 | 25.0
| GIH | 10.0 | 43.0 | 47.0
| LWK | 6.4 | 40.0 | 53.6
| MEX | 17.2 | 46.6 | 36.2
| MKK | 14.1 | 48.1 | 37.8
| TSI | 33.3 | 47.1 | 19.6
| HapMapRevision=28
}}{{PMID Auto
|PMID=23563589
|Title=An association study of the Hermansky-Pudlak syndrome type 4 gene in schizophrenic patients
}}

{{on chip | FTDNA}}
{{on chip | Illumina Human 1M}}