{{Rsnum
|rsid=33964623
|Chromosome=16
|Orientation=plus
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
|Gene=HBA2
|position=177068
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=HBA1
}}{{omim
|id=141800
|rsnum=33964623
|variant=0074
}}
{{omim
|id=141850
|rsnum=33964623
|variant=0019
}}{{ClinVar
|rsid=33964623
|Reversed=0
|FwdREF=A
|FwdALT=C,G
|REF=A
|ALT=C,G
|RSPOS=227067
|CHROM=16
|dbSNPBuildID=126
|SSR=0
|SAO=1
|VP=0x050368000000000002110100
|GENEINFO=HBA1:3039
|GENE_NAME=HBA1
|GENE_ID=3039
|WGT=0
|VC=SNV
|CLNALLE=2
|CLNHGVS=NC_000016.9:g.227067A>G
|CLNORIGIN=1
|CLNSRCID=
141800.0074; 141800.0075
|CLNSIG=255
|CLNCUI=
|CLNACC=
RCV000017072.1; RCV000017073.1
|Tags=PM;PMC;S3D;SLO;OTHERKG;LSD;OM
|CLNDBN=HEMOGLOBIN J (SINGA); HEMOGLOBIN J (SINGAPORE)
|CLNSRC=OMIM Allelic Variant
|Disease=HEMOGLOBIN J (SINGA); HEMOGLOBIN J (SINGAPORE)
}}{{PMID Auto
|PMID=6691995
|Title=Hb J-Singa (alpha-78 Asn leads to Asp), a newly discovered hemoglobin variant with the same amino acid substitution as one of the two present in Hb J-Singapore (alpha-78 Asn leads to, alpha-79 Ala leads to Gly).
}}

{{PMID Auto
|PMID=2101836
|Title=Hb Davenport or alpha 2(78)(EF7)Asn----His beta 2.
}}

{{PMID Auto
|PMID=7803274
|Title=The differences in quantities of alpha 2- and alpha 1-globin gene variants in heterozygotes.
}}