Gene Gene information from NCBI Gene database.
Entrez ID 3040
Gene name Hemoglobin subunit alpha 2
Gene symbol HBA2
Synonyms (NCBI Gene)
ECYT7HBA-T2HBH
Chromosome 16
Chromosome location 16p13.3
Summary The human alpha globin gene cluster located on chromosome 16 spans about 30 kb and includes seven loci: 5`- zeta - pseudozeta - mu - pseudoalpha-1 - alpha-2 - alpha-1 - theta - 3`. The alpha-2 (HBA2) and alpha-1 (HBA1) coding sequences are identical. Thes
Transcription factors Transcription factors information provided by TRRUST V2 database.
3
Transcription factor Regulation Reference
ATRX Repression 7697714
GATA1 Unknown 12609092;20564185
KLF4 Activation 20331458
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
39
GO ID Ontology Definition Evidence Reference
GO:0001664 Function G protein-coupled receptor binding IDA 18077343
GO:0004601 Function Peroxidase activity IDA 19740759
GO:0005344 Function Oxygen carrier activity IBA
GO:0005344 Function Oxygen carrier activity IEA
GO:0005506 Function Iron ion binding IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
141850 4824 ENSG00000188536
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  African trypanosomiasis
Malaria
  Erythrocytes take up carbon dioxide and release oxygen
Erythrocytes take up oxygen and release carbon dioxide
Scavenging of heme from plasma
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
327
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Abnormal hemoglobin Pathogenic rs111033606 RCV000016967
alpha Thalassemia Likely pathogenic; Pathogenic rs281864811, rs281864539, rs281864821, rs780091398, rs886041399, rs2505431550, rs281864889, rs41464951, rs41321345, rs41397847, rs41479844, rs281864834, rs111033603, rs33987053, rs121909803
View all (23 more)
RCV002243538
RCV002272715
RCV003110192
RCV003984350
RCV001275677
RCV004548630
RCV003486522
RCV002250461
RCV005007856
RCV000417220
RCV001078246
RCV001275680
RCV000016929
RCV000016930
RCV001078242
RCV001831575
RCV004700242
RCV001831576
RCV001275682
RCV002051787
RCV001078244
RCV004767010
RCV002482879
RCV000016976
RCV001275678
RCV002051788
RCV001826473
RCV001831577
RCV001826474
RCV004018237
RCV000417216
RCV000417225
RCV000417217
RCV001027962
RCV001829445
RCV003323574
RCV001834638
RCV001275679
RCV000786879
RCV000991152
RCV001078247
RCV001289991
Alpha trait thalassemia Pathogenic rs587776826 RCV000016943
Alpha-thalassemia, Dutch type Pathogenic; Likely pathogenic rs41457746, rs63751457, rs41328049 RCV000016968
RCV000016977
RCV000016979
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
- no classification for the single variant rs63750404, rs63751471 -
HEMOGLOBIN AL-HAMMADI RIYADH other rs281864859 RCV000016984
HEMOGLOBIN ANAMOSA other rs28928889 RCV000016940
HEMOGLOBIN ANTANANARIVO other rs33981821 RCV000016949
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Acute erythroleukemia Associate 9753066
Alpha mannosidosis type 2 Inhibit 37311778
alpha Thalassemia Associate 10910890, 10954762, 11074535, 1276470, 14576055, 16103716, 16753851, 1701260, 17076879, 1715793, 17296578, 17606454, 18166800, 1824266, 18534068
View all (80 more)
alpha Thalassemia Inhibit 25116001, 30425067, 32041645, 33247606
Anemia Associate 11891810, 16304357, 19349619, 21797707, 25307880, 32720864, 33827577, 34764282, 35289581, 37678999, 39530711
Anemia Aplastic Associate 16103716
Anemia Hemolytic Associate 31406232
Anemia Hemolytic Congenital Associate 37697358
Anemia hypochromic microcytic Associate 12542500, 31478238, 37098594
Anemia Iron Deficiency Associate 35354866