{{Rsnum
|rsid=2268999
|Gene=ABP1
|Chromosome=7
|position=150855877
|Orientation=plus
|GMAF=0.2897
|Gene_s=ABP1
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;T)
|geno3=(T;T)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;T)
| geno3=(T;T)
| CEU | 49.2 | 40.0 | 10.8
| HCB | 77.8 | 22.2 | 0.0
| JPT | 88.6 | 9.1 | 2.3
| YRI | 19.0 | 47.6 | 33.3
| ASW | 0.0 | 0.0 | 0.0
| CHB | 77.8 | 22.2 | 0.0
| CHD | 0.0 | 0.0 | 0.0
| GIH | 0.0 | 0.0 | 0.0
| LWK | 0.0 | 0.0 | 0.0
| MEX | 0.0 | 0.0 | 0.0
| MKK | 0.0 | 0.0 | 0.0
| TSI | 0.0 | 0.0 | 0.0
| HapMapRevision=28
}}[PMID 21488903] Association of single nucleotide polymorphisms in the diamine oxidase gene with diamine oxidase serum activities. Found reduced DAO activity for the minor allele and lower DAO mRNA expression for the homozygous minor allele.