{{Rsnum
|rsid=17616
|Gene=CR2
|Chromosome=1
|position=207473578
|Orientation=plus
|ReferenceAllele=G
|MissenseAllele=A
|GMAF=0.2677
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=CR2
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 6.2 | 42.0 | 51.8
| HCB | 0.7 | 18.5 | 80.7
| JPT | 0.9 | 27.9 | 71.2
| YRI | 21.1 | 51.0 | 27.9
| ASW | 12.3 | 61.4 | 26.3
| CHB | 0.7 | 18.5 | 80.7
| CHD | 0.9 | 13.2 | 85.8
| GIH | 1.0 | 39.4 | 59.6
| LWK | 17.6 | 48.1 | 34.3
| MEX | 5.3 | 24.6 | 70.2
| MKK | 21.3 | 49.3 | 29.3
| TSI | 12.0 | 44.0 | 44.0
| HapMapRevision=28
}}{{PMID Auto
|PMID=19387458
|Title=Complement receptor 2 polymorphisms associated with systemic lupus erythematosus modulate alternative splicing
|OA=1
}}

{{PMID Auto
|PMID=17360460
|Title=Association of a common complement receptor 2 haplotype with increased risk of systemic lupus erythematosus.
|OA=1
}}

{{PMID Auto
|PMID=21347408
|Title=Fine mapping of genetic variants in BIN1, CLU, CR1 and PICALM for association with cerebrospinal fluid biomarkers for Alzheimer's disease.
|OA=1
}}

{{GET Evidence
|gene=CR2
|aa_change=Arg671His
|aa_change_short=R671H
|impact=not reviewed
|qualified_impact=Insufficiently evaluated not reviewed
|inheritance=unknown
|quality_scores=Array
|dbsnp_id=rs17616
|overall_frequency_n=38
|overall_frequency_d=128
|overall_frequency=0.296875
|n_genomes=26
|n_genomes_annotated=0
|n_haplomes=29
|n_articles=0
|n_articles_annotated=0
|nblosum100=1
|autoscore=0
|webscore=N
}}

{{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}}