1. Gene
  2. HBA2 - hemoglobin subunit alpha 2 Gene

HBA2 - hemoglobin subunit alpha 2 Gene

Homo sapiens

Also known as HBH; ECYT7; HBA-T2

Gene ID: 3040 | Gene type: protein coding

About HBA2

Cytogenetic location: 16p13.3 Genomic coordinates (GRCh38): 16:172,876-173,710 (from NCBI)

This gene has 4 transcripts (splice variants), 235 orthologues, 11 paralogues and is associated with 9 phenotypes.

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. These genes differ slightly over the 5' untranslated regions and the introns, but they differ significantly over the 3' untranslated regions. Two alpha chains plus two beta chains constitute HbA, which in normal adult life comprises about 97% of the total hemoglobin; alpha chains combine with delta chains to constitute HbA-2, which with HbF (fetal hemoglobin) makes up the remaining 3% of adult hemoglobin. Alpha thalassemias result from deletions of each of the alpha genes as well as deletions of both HBA2 and HBA1; some nondeletion alpha thalassemias have also been reported. [provided by RefSeq, Jul 2008]

HBA2 Products(1)

mRNA Protein Name
NM_000517.6 NP_000508.1 hemoglobin subunit alpha

HBA2 Protein Structure

Globin

Globin: Globin (7 - 107)

  • 0
  • 100
  • 142 a.a.
Protein Preferred Names Protein Names

hemoglobin subunit alpha

alpha globin

Recombinant HBA2 Proteins

Cat. No. Product Name Accession Purity
HY-P70397 Hemoglobin subunit alpha/HBA1 Protein, Human (His) P69905 (M1-R142) ≥95%

Related Diseases

Diseases Alias
Hemoglobin H Disease

HBH

Hemoglobin H Disease, Nondeletional

Hemoglobin H Disease, Deletional

Alpha-Thalassemia Intermedia

Haemoglobin H Disease

Alpha-Thalassemia, Hemoglobin H Type

Hemoglobin H Disease, Deletional And Nondeletional

Alpha Thalassemia, Haemoglobin H Type

Alpha Thalassemia, Hemoglobin H Type

Haemoglobin H Disease, Deletional

Hbh Disease

Alpha-Thalassemia Hemoglobin H Type

Hemoglobin H Disease Deletional

Hemoglobin H Disease Non-Deletional

Alpha-Thalassemia

Alpha - /- - Or Mutational Forms Of Alpha-Thalassaemia

Alpha Thalassaemia Intermedia

Alpha-Thalassemia

Alpha Thalassemia

Alpha Thalassaemia

Alpha Plus Thalassemia

Thalassemia, Alpha-

Thalassemias, Alpha-

A-Thalassemia

Α-Thalassemia

A-THAL

Thalassemia

Alpha Thalassaemia Syndrome

Erythrocytosis, Familial, 7

ECYT7

Erythrocytosis 7

Familial Erythrocytosis 7

Erythrocytosis, Alpha-Globin Type

Polycythemia, Alpha-Globin Type

Alpha-Globin Type Erythrocytosis

Alpha-Globin Type Polycythemia

Hydrops Fetalis, Nonimmune

Hydrops Fetalis

Non-Immune Hydrops Fetalis

NIHF

Familial Non-Immune Hydrops Fetalis

Hydrops Fetalis Nonimmune

Idiopathic Hydrops Fetalis

Hb Bart'S Hydrops Fetalis

Alpha-Thalassemia Hydrops Fetalis

Alpha-Thalassemia Major

Hemoglobin Bart'S Hydrops Fetalis

Homozygous Alpha0-Thalassemia

Fetal Anasarca

Fetal Hydrops

Generalized Fetal Edema

Hf

Non-Immune Hf

Non-Immune Fetal Edema

Non-Immune Fetal Hydrops

Hydrops Fetalis, Non-Immune

Hemoglobin Bart'S Hydrops Syndrome

Heinz Body Anemias

Heinz Body Anemia

Heinz Body Anemias, Alpha-

HEIBAN

Anemia, Heinz Body

Acquired Heinz Body Anemia

Deficiency Anemia

Anemia

Deficiency Anemias

Anaemia

Splenomegaly
Autosomal Dominant Secondary Polycythemia

Autosomal Dominant Secondary Erythrocytosis

Methemoglobinemia, Beta-Globin Type

Hemoglobin M Disease

Blue Baby Syndrome

M Hemoglobinopathy

Congenital Methemoglobinemia

Autosomal Dominant Methemoglobinemia

Hereditary Methemoglobinemia Due To Hemoglobin Mutation

Alpha Thalassemia-Intellectual Disability Syndrome Type 1

Alpha Thalassemia-Intellectual Disability Syndrome, Deletion Type

Alpha-Thalassemia-Intellectual Disability Syndrome Linked To Chromosome 16

Atr Syndrome Linked To Chromosome 16

Atr Syndrome, Deletion Type

Atr-16 Syndrome

Alpha Thalassemia-Retardation Syndrome

Alpha-Thalassemia/Mental Retardation Syndrome, Deletion-Type

Alpha-Thalassemia/Mental Retardation Syndrome, Type 1

Alpha-Thalassemia Mental Retardation Syndrome, Deletion-Type

Thalassemia

Sickle-Cell Thalassemia With Crisis

Sickle-Cell Thalassemia Without Crisis

Thalassemia Hb-S Disease With Crisis

Thalassemia Hb-S Disease Without Crisis

Thalassemias

Hereditary Leptocytosis

Haemoglobin Thalassaemia Disorder

Thalassaemia Syndrome

Thalassaemia Nos

Thalassemia Variants

Hemoglobinopathy

Hemoglobinopathies

Beta-Thalassemia

Beta Thalassemia

Cooley'S Anemia

Mediterranean Anemia

Beta Thalassemia Intermedia

Erythroblastic Anemia

Thalassemia, Hispanic Gamma-Delta-Beta

Thalassemia Major

Thalassemia Minor

Beta-Plus-Thalassemia

Thalassemia, Beta

Beta Thalassemia Major

Beta Thalassemia Minor

Thalassemias, Beta-

Microcytemia, Beta Type

Thalassemia, Beta Type

B-THAL

Mediterranean Anaemia

Beta Thalassaemia Syndrome

Mediterranean Disease

Beta Thalassaemia Disease

Histiocytosis-Lymphadenopathy Plus Syndrome

H Syndrome

Histiocytosis With Joint Contractures And Sensorineural Deafness

Faisalabad Histiocytosis

Shml

Hjcd

Rosai-Dorfman Disease

Pigmented Hypertrichosis With Insulin-Dependent Diabetes Mellitus

Phid

Sinus Histiocytosis And Massive Lymphadenopathy

Familial Rosai-Dorfman Disease

Slc29a3 Spectrum Disorder

Sinus Histiocytosis With Massive Lymphadenopathy

Histiocytosis And Lymphadenopathy With Or Without Cutaneous, Cardiac, And/Or Endocrine Features, Joint Contractures, And/Or Deafness

Hyperpigmentation, Cutaneous, With Hypertrichosis, Hepatosplenomegaly, Heart Anomalies, And Hypogonadism With Or Without Hearing Loss

Rosai-Dorfman Disease, Familial

Cutaneous Hyperpigmentation With Hypertrichosis, Hepatosplenomegaly, Heart Anomalies, And Hypogonadism With Or Without Hearing Loss

Histiocytosis And Lymphadenopathy With Or Without Cutaneous, Cardiac, And/Or Endocrine Features, Joint Contractures And/Or Deafness

Rdd

Rosaï-Dorfman Disease

Slc29a3 Disorder

Destombes-Rosai-Dorfman Disease

Rosai-Dorfman-Destombes Disease

HLAS

Cutaneous Hyperpigmentation With Hypertrichosis Hepatosplenomegaly Heart Anomalies And Hypogonadism With Or Without Hearing Loss

Histiocytosis And Lymphadenopathy With Or Without Cutaneous Cardiac And/Or Endocrine Features Joint Contractures And/Or Deafness

H Disease

Sinus Histiocytosis

Hemolytic Anemia

Anemia, Hemolytic

Anemia Hemolytic

Anaemia Due To Other Disorders Of Glutathione Metabolism

Chronic Non Spherocytic Anaemia

G6pd - [Glucose-6-Phosphate Dehydrogenase Deficiency] Anaemia

Anaemia Due To Glucose-6-Phosphate Dehydrogenase Deficiency

Glucose-6-Phosphate Dehydrogenase Deficiency With Anaemia

Glucose-6-Phosphate Dehydrogenase Deficiency Anaemia

Favism Anaemia

Haemolytic Anaemia Due Tog6pd Deficiency

Favism

Pentose Phosphate Pathway Disorder Anaemia

Anaemia Due To Pentose Phosphate Pathway Defect

Sickle Cell Disease

Hbs Disease

Hemoglobin S Disease

Scd

Sickle Cell Disorders

Sickling Disorder Due To Hemoglobin S

Anemia, Sickle Cell

Hb-Ss Disease Without Crisis

Hbss Without Crisis

Sickle-Cell Anaemia Without Crisis

Scd - [Sickle Cell Disease]

Sca - [Sickle Cell Anaemia]

Sickle Cell Disease Nos

Sickle Cell Disorder

Sickle Cell Syndrome

Sickle-Cell Anaemia Nos

Sickle-Cell Disorder Nos

Haemoglobin S Disease

Haemoglobin Ss Disease

Hb S Disease

Hb Ss Disease

Herrick Anaemia

Hereditary Haemoglobinopathy Disorder Homozygous For Haemoglobin S

Sickle-Cell Haemoglobin Disease

Sickling Disorder Due To Haemoglobin S

Hb-Ss Disease With Crisis

Sickle Cell Crisis

Sickle-Cell Disorder With Crisis

Sickle-Cell Anaemia With Crisis

Hbss With Crisis

Hb S Disease With Mention Of Crisis

Haemoglobin Ss Disease With Crisis

Hb-Ss Disease With Vaso-Occlusive Pain

Vaso-Occlusive Crisis

Glutathione Peroxidase Deficiency

GPXD

Hemolytic Anemia Due To Glutathione Peroxidase Deficiency

Gluthathione Peroxidase Deficiency

Type 1 Diabetes Mellitus 24

Diabetes Mellitus, Insulin-Dependent, 24

Iddm24

T1D24

Insulin-Dependent Diabetes Mellitus 24

Immune Hydrops Fetalis

Ihf

Immune Hf

Immune Fetal Edema

Immune Fetal Hydrops

Microcytic Anemia

Iron-Refractory Iron Deficiency Anemia

Erythroleukemia
Polycythemia

Erythrocythemia

Polycythemia Vera

Polycythaemia Due To High Altitude

Malaria

Malaria, Susceptibility To

Malaria, Resistance To

Malaria, Cerebral

Cerebral Malaria

Malaria, Severe, Susceptibility To

Malaria, Severe, Resistance To

Malaria, Cerebral, Susceptibility To

Induced Malaria

Malaria, Vivax, Protection Against

Malaria, Severe

Malaria, Cerebral, Reduced Risk Of

Malaria, Protection Against

Resistance To Malaria Due To G6pd Deficiency

Malaria Due To G6pd Deficiency

Malarial Encephalitis

CM

Malaria Cerebral

Susceptibility To Malaria

Acute Pernicious Fever

Aestivo-Autumnal Fever

Aestivo Autumnal Malaria

Chagres Fever

Continued Malaria Fever

Estivo-Autumnal Fever

Estivo-Autumnal Malaria

Estivo-Autumnal Malarial Fever

Falciparum Fever

Malignant Tertian Fever

Malignant Tertian Malaria

Pernicious Intermittent Fever

Pernicious Malaria

Quotidian Malaria

Subtertian Fever

Subtertian Malaria Fever

Subtertian Malignant Tertian Malaria

Tropical Malaria

Algid Malaria

Bilious Haemoglobinuric Fever

Black Water Fever

Blackwater Fever

Malarial Blackwater Fever

Severe Malarial Falciparum

West African Fever

Malarial Haematinuria

Haemoglobinuric Fever

Haemoglobinuric Malaria

Severe Plasmodium Falciparum Malaria

Malarial Haemoglobinuria

Malarial Haematuria

Falciparum Malaria [Malignant Tertian]

Malaria Tropica

Malarial Shock

Chagres Virus Disease

Malignant Malaria

Mtm - [Malignant Tertian Malaria]

Tm -[Malignant Tertian Malaria]

Panama Fever

St - [Subtertian Malaria]

Malarial Quotidian

Benign Tertian Malaria

Tertian Ague

Vivax Fever

Plasmodium Vivax Malaria Nos

Btm - [Benign Tertian Malaria]

Bt - [Benign Tertian Malaria]

Vivax Malaria

Benign Tertian Vivax Malaria

Tertian Malaria

Quartan Malaria

Quartan Ague

Quartan Fever

Plasmodium Malariae Malaria Nos

Quartan Malarial

Malaria By Plasmodium Malariae

Malariae Malaria

Ovale Tertian Malaria

Plasmodium Ovale Fever

Malaria Fever By Plasmodium Ovale

Ovale Malaria

Malaria By Plasmodium Ovale

Malarial Ovale

Marsh Fever

Remittent Congestive Fever

Coastal Fever

Remittent Gastric Fever

Miasmatic Fever

Congestive Remittent Fever

Intermittent Fever

Jungle Fever

Paludism

Cameroon Fever

Ague

Corsican Fever

Intermittent Bilious Fever

Disease Due To Plasmodiidae

Malarial Fever

Plasmodiosis

Remittent Fever

Roman Fever

Malaria Fever Nos

Malaria Nos

Paludal Fever

Clinically Diagnosed Malaria

Clinically Diagnosed Malaria Without Parasitological Confirmation

Congestive Fever

Malarial Cachexia

Marsh Cachexia

Paludal Cachexia

Recurrent Malaria

Remittent Malaria

Hypoglycemic Coma
Erythrocytosis, Familial, 6

ECYT6

Erythrocytosis 6

Familial Erythrocytosis 6

Erythrocytosis, Beta-Globin Type

Polycythemia, Beta-Globin Type

Beta-Globin Type Erythrocytosis

Beta-Globin Type Polycythemia

Erythrocytosis, Familial, 8

Diphosphoglycerate Mutase Deficiency Of Erythrocyte

ECYT8

Bisphosphoglycerate Mutase Deficiency

Bisphosphoglyceromutase Deficiency

Bpgm Deficiency

Dpgm Deficiency

Deficiency Of Bisphosphoglycerate Mutase

Familial Erythrocytosis 8

Hemolytic Anemia Due To Diphosphoglycerate Mutase Deficiency

Erythrocytosis Due To Bisphosphoglycerate Mutase Deficiency

Erythrocytosis, Familial, Type 8

Thalassemia Minor
Type 1 Diabetes Mellitus 7

Diabetes Mellitus, Insulin-Dependent, 7

Iddm7

Insulin-Dependent Diabetes Mellitus 7

T1D7

Polycystic Kidney Disease

Polycystic Kidney Diseases

Pkd

Polycystic Renal Disease

Kidney Disease, Polycystic

Polycystic Kidney, Autosomal Dominant

Erythrocytosis, Familial, 1

ECYT1

Pfcp

Primary Familial And Congenital Polycythemia

Familial Erythrocytosis 1

Familial Erythrocytosis

Polycythemia, Primary Familial And Congenital

Autosomal Dominant Benign Erythrocytosis

Familial Erythrocytosis Type 1

Congenital Erythrocytosis Due To Erythropoietin Receptor Mutation

Congenital Polycythemia Due To Erythropoietin Receptor Mutation

Primary Congenital Erythrocytosis

Primary Familial Polycythemia

Erythrocytosis, Autosomal Dominant Benign

Erythrocytosis, Somatic

Autosomal Dominant Familial Erythrocytosis-1

Erythrocytosis Autosomal Dominant Benign

Familial Primary Polycythemia

Familial Erythrocytosis, 1

Erythrocytosis, Familial, Type 1

Febrile Seizures, Familial, 6

FEB6

Familial Febrile Seizures 6

Convulsions, Familial Febrile, 6

Familial Febrile Convulsions 6

Febrile Convulsions, Familial, 6

Immature Cataract

Incipient Cataract

Incipient Senile Cataract

Water Clefts

Autoimmune Disease Of Endocrine System
Beta-Thalassemia Major

Cooley'S Anemia

Cooley Anemia

Mediterranean Anemia

Hypochromic Microcytic Anemia

Anemia, Hypochromic Microcytic

Microcytic Hypochromic Anemia

Congenital Hemolytic Anemia

Anemia Hemolytic Congenital

Anemia, Hemolytic, Congenital

Congenital Hemolytic Anaemia

Hereditary Hemolytic Anaemia

Hereditary Hemolytic Anemia

Fetal Hemoglobin Quantitative Trait Locus 1

Hereditary Persistence Of Fetal Hemoglobin

Delta-Beta-Thalassemia

Delta-Beta Thalassemia

Delta Beta-Thalassemia

HBFQTL1

Hemoglobin F, Hereditary Persistence Of

Hpfh

Hereditary Persistence Of Fetal Hemoglobin, Hb Gene Cluster-Related

Hemoglobin, Fetal, Quantitative Trait Locus 1

Hereditary Persistence Of Fetal Hemoglobin Thalassemia

Hpfh - [Hereditary Persistence Of Fetal Haemoglobin]

Fetal Haemoglobin

Persistence Of Fetal Haemoglobin

Persistent Haemoglobin F

Sickle Cell Anemia

Hemoglobin Sc Disease

Anemia, Sickle Cell

Hbsc Disease

Sickle Cell-Hemoglobin C Disease Syndrome

Hb Ss Disease

Sickle Cell Trait

Drepanocytosis

Haemoglobin Sc Disease

Hb Sc Disease

Hb-S/Hb-C Disease

Hb-Ss Disease Without Crisis

Hemoglobin S Disease Without Crisis

Sickle Cell Anaemia

Sickle-Cell/Hb-C Disease Without Crisis

Sickle Cell - Hemoglobin C Disease

Hbs Disease

Hemoglobin S Disease

Sickling Disorder Due To Hemoglobin S

SKCA

Sickle Cell Disease

Sickle Cell-Hemoglobin C Disease

Sickle-Cell Disease Carrier

Sickle-Cell Heterozygous Disorder

Haemoglobin A-S Genotype

Hb-S - [Sickle Cell Haemoglobin] Carrier

Sickle Cell Haemoglobin Trait

As - [Sickle Cell Trait]

Hbas - [Sickle Cell Haemoglobin Trait]

Sickle-Cell Trait Haemoglobin Disease

Haemoglobin Sickle Cell Trait Disorder

Heterozygous Sickle Cell Trait

Hbas - [Heterozygous Haemoglobin S]

Polycystic Kidney Disease 1 With Or Without Polycystic Liver Disease

Polycystic Kidney Disease 1

PKD1

Adpkd

Polycystic Kidney Disease, Adult, Type I

Apkd1

Potter Type Iii Polycystic Kidney Disease

Polycystic Kidney Disease, Adult

Potter Type Iii Polycystic Kidney Disease, Formerly

Polycystic Kidney Disease, Type 1

Adpkd1

Adult Polycystic Kidney Disease Type 1

Autosomal Dominant Polycystic Kidney Disease 1

Pkd-1

Polycystic Kidney Disease Adult

Polycystic Kidney Disease Type I

Polycystic Kidneys

Polycystic Kidney Disease, Adult Type I

Polycystic Kidney Type 1 Autosomal Dominant Disease

Kidney Disease, Polycystic, Type 1

Polycystic Kidney, Autosomal Dominant

Polycystic Kidney, Type 1 Autosomal Dominant Disease

Polycystic Kidney Diseases

Hemochromatosis, Type 1

Hemochromatosis

Hemochromatosis Type 1

Hereditary Hemochromatosis

Hh

HFE1

Hfe Hemochromatosis, Modifier Of

Symptomatic Form Of Classic Hemochromatosis

Symptomatic Form Of Hemochromatosis Type 1

Symptomatic Form Of Hfe-Related Hereditary Hemochromatosis

Haemochromatosis

Iron Storage Disorder

Bronze Diabetes

Hereditary Haemochromatosis

Hlah

Hfe

Hemochromatosis, Hereditary

Diabetes Bronze

Classic Hemochromatosis

Hfe-Associated Hereditary Hemochromatosis

Hemochromatosis Classic

Bronzed Cirrhosis

Familial Hemochromatosis

Genetic Hemochromatosis

Hc

Pigmentary Cirrhosis

Primary Hemochromatosis

Troisier-Hanot-Chauffard Syndrome

Von Recklenhausen-Applebaum Disease

Hemochromatosis 1

Primary Hereditary Hemochromatosis

Bronze Cirrhosis

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Rattus norvegicus HBA2 RGD RGD:1359209