{{Rsnum
|rsid=33921047
|Chromosome=16
|Orientation=plus
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene=HBA2
|position=177057
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|Gene_s=HBA1
}}{{omim
|id=141800
|rsnum=33921047
|variant=0017
}}
{{omim
|id=141800
|rsnum=33921047
|variant=0089
}}{{ClinVar
|rsid=33921047
|Reversed=0
|FwdREF=A
|FwdALT=C,G,T
|REF=A
|ALT=C,G,T
|RSPOS=227056
|CHROM=16
|dbSNPBuildID=126
|SSR=0
|SAO=1
|VP=0x050368000000000002110104
|GENEINFO=HBA1:3039
|GENE_NAME=HBA1
|GENE_ID=3039
|WGT=0
|VC=SNV
|CLNALLE=1; 2
|CLNHGVS=NC_000016.9:g.227056A>C; NC_000016.9:g.227056A>G
|CLNORIGIN=1
|CLNSRCID=
108; 141800.0089; 110; 141800.0017
|CLNSIG=255
|CLNCUI=
|CLNACC=
RCV000017095.1; RCV000017004.1
|Tags=PM;PMC;S3D;SLO;OTHERKG;LSD;OM;NOV
|CLNDBN=HEMOGLOBIN LILLE; HEMOGLOBIN CHAPEL HILL
|CLNSRC=HBVAR; OMIM Allelic Variant
|Disease=HEMOGLOBIN LILLE; HEMOGLOBIN CHAPEL HILL
}}{{PMID Auto
|PMID=7275663
|Title=Hemoglobin Lille, alpha 2 [74(EF3) Asp replaced by Ala] beta 2.
}}

{{PMID Auto
|PMID=8332
|Title=Hemoglobin Chapel Hill or alpha2 74 Asp replaced by Gly beta2.
}}

{{PMID Auto
|PMID=3754243
|Title=Hb Chapel Hill or alpha 274(EF3)Asp----Gly beta 2 observed in a Chinese family in association with beta-thalassemia.
}}

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