{{Rsnum
|rsid=2301888
|Gene=PADI4
|Chromosome=1
|position=17346235
|Orientation=minus
|GMAF=0.3613
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(C;C)
|geno2=(C;T)
|geno3=(T;T)
|Gene_s=PADI4
}}{{ population diversity
| geno1=(C;C)
| geno2=(C;T)
| geno3=(T;T)
| CEU | 49.2 | 41.3 | 9.5
| HCB | 10.4 | 51.9 | 37.8
| JPT | 15.5 | 50.9 | 33.6
| YRI | 82.3 | 17.7 | 0.0
| ASW | 67.9 | 23.2 | 8.9
| CHB | 10.4 | 51.9 | 37.8
| CHD | 12.0 | 47.2 | 40.7
| GIH | 27.3 | 51.5 | 21.2
| LWK | 70.1 | 26.2 | 3.7
| MEX | 40.7 | 44.4 | 14.8
| MKK | 52.6 | 32.2 | 15.1
| TSI | 35.7 | 46.9 | 17.3
| HapMapRevision=28
}}rs2301888 increases susceptibility to Rheumatoid Arthritis 1.82 times for carriers of the C allele {{PMID|12833157}}

{{PMID Auto GWAS
  |PMID=24390342
  |Trait=Rheumatoid arthritis
  |Title=Genetics of rheumatoid arthritis contributes to biology and drug discovery.
  |RiskAllele=G
  |Pval=8E-13
  |OR=1.19
  |ORtxt=[1.14-1.25]
  }}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}