{{Rsnum
|rsid=12122721
|Gene=KIF21B
|Chromosome=1
|position=201015352
|Orientation=plus
|GMAF=0.202
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=KIF21B
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 9.7 | 46.0 | 44.2
| HCB | 0.7 | 16.8 | 82.5
| JPT | 0.9 | 22.1 | 77.0
| YRI | 4.8 | 28.1 | 67.1
| ASW | 1.8 | 40.4 | 57.9
| CHB | 0.7 | 16.8 | 82.5
| CHD | 0.9 | 17.6 | 81.5
| GIH | 2.0 | 18.8 | 79.2
| LWK | 1.8 | 25.7 | 72.5
| MEX | 5.2 | 37.9 | 56.9
| MKK | 8.4 | 39.4 | 52.3
| TSI | 8.8 | 42.2 | 49.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=20007504
|Title=Comprehensive follow-up of the first genome-wide association study of multiple sclerosis identifies KIF21B and TMEM39A as susceptibility loci
|OA=1
}}

{{PMID Auto
|PMID=20405052
|Title=The effect of single nucleotide polymorphisms from genome wide association studies in multiple sclerosis on gene expression.
|OA=1
}}

{{PMID Auto
|PMID=25274010
|Title=Abundant kif21b is associated with accelerated progression in neurodegenerative diseases
}}
{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Affy GenomeWide 6}}
{{on chip | FTDNA2}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}