|| CYP2D6*41 homozygote
|| carrier of one CYP2D6*41 allele
rs28371725, also known as 2988G>A, is a SNP in the CYP2D6 gene.
The rs28371725(A) allele defines the CYP2D6*41 variant, which has decreased activity.
23andMe also has SNP i4001476 at the same position.
[PMID 22448283] Genotyping Performance between Saliva and Blood-Derived Genomic DNAs on the DMET Array: A Comparison
[PMID 20174590] Response to serotonin reuptake inhibitors in OCD is not influenced by common CYP2D6 polymorphisms.
[PMID 21071160] Analysis of 50 SNPs in CYP2D6, CYP2C19, CYP2C9, CYP3A4 and CYP1A2 by MALDI-TOF mass spectrometry in Chinese Han population.