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hemoglobin subunit alpha 2

Summary

Gene Symbol

HBA2

Organism

Homo sapiens (human)

External Links

NCBI Gene

3040

PubChem

3040

Alliance of Genome Resources

HGNC:4824

Annotation

Keyword

3D-structure
Acetylation
Direct protein sequencing
Disease variant
Glycation
Heme
Hereditary hemolytic anemia
Oxygen transport
Phosphoprotein
Reference proteome

Proteins

Displaying **all 2** entries
UniProt	Protein Name
P69905	Alpha-globin Hemoglobin alpha chain
D1MGQ2

Annotation information from UniProt.

Gene Ontology (GO)

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GO Term	Evidence Code	PMID
carbon dioxide transport	NAS	11159543 15449937 7518430 881729
oxygen transport	NAS	881729
oxygen transport	TAS	7518430
oxygen transport	IDA	11159543 11307949
oxygen transport	IMP	7518430

GO Hierarchy

biological process

metabolic process [inference]

catabolic process [inference]

cellular catabolic process [inference]

hydrogen peroxide catabolic process

organic substance catabolic process [inference]

hydrogen peroxide catabolic process

cellular metabolic process [inference]

cellular catabolic process [inference]

hydrogen peroxide catabolic process

reactive oxygen species metabolic process [inference]

hydrogen peroxide metabolic process [inference]

hydrogen peroxide catabolic process

organic substance metabolic process [inference]

hydrogen peroxide metabolic process [inference]

hydrogen peroxide catabolic process

organic substance catabolic process [inference]

hydrogen peroxide catabolic process

cellular process [inference]

cellular metabolic process [inference]

cellular catabolic process [inference]

hydrogen peroxide catabolic process

reactive oxygen species metabolic process [inference]

hydrogen peroxide metabolic process [inference]

hydrogen peroxide catabolic process

cellular detoxification [inference]

cellular oxidant detoxification

response to stimulus [inference]

response to stress [inference]

response to oxidative stress [inference]

response to reactive oxygen species [inference]

response to hydrogen peroxide

response to chemical [inference]

response to organic substance [inference]

response to hydrogen peroxide

response to inorganic substance [inference]

response to hydrogen peroxide

response to oxygen-containing compound [inference]

response to reactive oxygen species [inference]

response to hydrogen peroxide

localization [inference]

establishment of localization [inference]

transport [inference]

gas transport [inference]

organic substance transport [inference]

one-carbon compound transport [inference]

carbon dioxide transport

nitrogen compound transport [inference]

nitric oxide transport

detoxification [inference]

cellular detoxification [inference]

cellular oxidant detoxification

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GO Term	Evidence Code	PMID
extracellular region	TAS
extracellular space	IDA	21805676
cytosol	TAS
hemoglobin complex	ISS
hemoglobin complex	TAS	7555018

GO Hierarchy

cellular component

protein-containing complex [inference]

cellular anatomical entity [inference]

membrane-enclosed lumen [inference]

organelle lumen [inference]

intracellular organelle lumen [inference]

endocytic vesicle lumen

organelle [inference]

membrane-bounded organelle [inference]

vesicle [inference]

extracellular vesicle [inference]

extracellular exosome

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

extracellular organelle [inference]

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

blood microparticle

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GO Term	Evidence Code	PMID
G protein-coupled receptor binding	IDA	18077343
peroxidase activity	IDA	19740759
peroxidase activity	IBA
oxygen carrier activity	IBA
iron ion binding	IEA

GO Hierarchy

molecular function

catalytic activity [inference]

oxidoreductase activity [inference]

oxidoreductase activity, acting on peroxide as acceptor [inference]

peroxidase activity

binding [inference]

protein binding

signaling receptor binding [inference]

G protein-coupled receptor binding

haptoglobin binding

small molecule binding [inference]

ion binding [inference]

cation binding [inference]

metal ion binding [inference]

transition metal ion binding [inference]

iron ion binding

organic cyclic compound binding [inference]

tetrapyrrole binding [inference]

heme binding

antioxidant activity [inference]

peroxidase activity

molecular carrier activity [inference]

oxygen carrier activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

hemoglobin subunit alpha

Functional Category

C: Energy production and conversion
P: Inorganic ion transport and metabolism
T: Signal transduction mechanisms

Displaying **all 7** entries
Gene Ontology
haptoglobin binding
heme binding
hydrogen peroxide catabolic process
iron ion binding
organic acid binding
oxygen binding
oxygen transport

Displaying **all 5** entries
InterPro
Globin-like superfamily
Globin/Protoglobin
Globin
Hemoglobin, alpha-type
Hemoglobin, pi

Disease

Disease Ontology

Displaying **all 4** entries
DO ID	Disease Name	Source
DOID:0110031	hemoglobin H disease	Alliance of Genome Resources
DOID:0111363	Heinz body anemia	Alliance of Genome Resources
DOID:0111631	familial erythrocytosis 7	Alliance of Genome Resources
DOID:1099	alpha thalassemia	Alliance of Genome Resources

Ortholog

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Species	Gene ID	Alliance of Genome Resources	Orthologous MAtrix
Xenopus tropicalis	3039	Xenbase:XB-GENE-478141
Xenopus tropicalis	3040	Xenbase:XB-GENE-478141
Drosophila melanogaster	3043	FB:FBgn0027657
Mus musculus	15122		MOUSE03865
Mus musculus	110257		MOUSE03865
Drosophila melanogaster	114886	FB:FBgn0027657
Rattus norvegicus	287167		RATNO02147
Bos taurus	512439		BOVIN19908
Macaca mulatta	701930		MACMU27619
Pan troglodytes	732485		PANTR11308

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OrthoDB (Group)

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Acknowledgements