Hemoglobin subunit alpha-2

<p>Provides any useful information about the protein, mostly biological knowledge.</p><p><a href='../manual/function_section' target='_top'>More...</a></p>Functionⁱ

Sites

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.</p><p><a href='../manual/metal' target='_top'>More...</a></p>Metal bindingi	60 – 60	1	Iron (heme distal ligand)
<p>Indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.</p><p><a href='../manual/metal' target='_top'>More...</a></p>Metal bindingi	89 – 89	1	Iron (heme proximal ligand)

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

• heme binding Source: InterPro
• iron ion binding Source: InterPro
• oxygen binding Source: InterPro
• oxygen transporter activity Source: UniProtKB-KW

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Biological processⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Ligandⁱ

<p>Provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.</p><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

<p>Provides information on the location and the topology of the mature protein in the cell.</p><p><a href='../manual/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationⁱ

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Cellular componentⁱ

• hemoglobin complex Source: InterPro

<p>Describes post-translational modifications (PTMs) and/or processing events.</p><p><a href='../manual/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Indicates that the initiator methionine is cleaved from the mature protein.</p><p><a href='../manual/init_met' target='_top'>More...</a></p>Initiator methioninei			Removed1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.2 "The oxygen transport system in three species of the boreal fish family Gadidae. Molecular phylogeny of hemoglobin." Verde C., Balestrieri M., de Pascale D., Pagnozzi D., Lecointre G., di Prisco G. J. Biol. Chem. 281:22073-22084(2006) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 2-143, FUNCTION, SUBUNIT, ACETYLATION AT SER-2.
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	2 – 143	142	Hemoglobin subunit alpha-2		PRO_0000052637	Add BLAST

Amino acid modifications

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Specifies the position and type of each modified residue excluding <a href="/manual/lipid">lipids</a>, <a href="/manual/carbohyd">glycans</a> and <a href="/manual/crosslnk">protein cross-links</a>.</p><p><a href='../manual/mod_res' target='_top'>More...</a></p>Modified residuei	2 – 2	1	N-acetylserine1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.2 "The oxygen transport system in three species of the boreal fish family Gadidae. Molecular phylogeny of hemoglobin." Verde C., Balestrieri M., de Pascale D., Pagnozzi D., Lecointre G., di Prisco G. J. Biol. Chem. 281:22073-22084(2006) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 2-143, FUNCTION, SUBUNIT, ACETYLATION AT SER-2.

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - PTMⁱ

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.</p><p><a href='../manual/expression_section' target='_top'>More...</a></p>Expressionⁱ

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’.<br />Examples: <a href="/uniprot/P92958#expression"><span class="caps">P92958</span></a>, <a href="/uniprot/Q8TDN4#expression"><span class="caps">Q8TDN4</span></a>, <a href="/uniprot/O14734#expression"><span class="caps">O14734</span></a></p><p><a href='../manual/tissue_specificity' target='_top'>More...</a></p>Tissue specificityⁱ

<p>Provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.</p><p><a href='../manual/interaction_section' target='_top'>More...</a></p>Interactionⁱ

<p>Provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="/help/function_section">‘Function’</a> section).</p><p><a href='../manual/subunit_structure' target='_top'>More...</a></p>Subunit structureⁱ

Protein-protein interaction databases

<p>Provides information on the tertiary and secondary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

3D structure databases

<p>Provides information on sequence similarities with other proteins and the domain(s) present in a protein.</p><p><a href='../manual/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsⁱ

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

Phylogenomic databases

Family and domain databases

<p>Displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the <a href="/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

<p>Indicates if the <a href="/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.</p><p><a href='../manual/sequence_processing' target='_top'>More...</a></p>Sequence processingⁱ: The displayed sequence is further processed into a mature form.

        10         20         30         40         50
MSLSSKQKAT VKDFFSKMST RSDDIGAEAL SRLVAVYPQT KSYFSHWKDA 
        60         70         80         90        100
SPGSAPVRKH GITTMGGVYD AVGKIDDLKG GLLSLSELHA FMLRVDPVNF 
       110        120        130        140 
KLLAHCMLVC MSMIFPEEFT PQVHVAVDKF LAQLALALAE KYR 

Sequence databases

<p>Is used to point to information related to entries and found in data collections other than UniProtKB.</p><p><a href='../manual/cross_references_section' target='_top'>More...</a></p>Cross-referencesⁱ

Sequence databases

3D structure databases

Protein-protein interaction databases

Protocols and materials databases

Phylogenomic databases

Family and domain databases

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

<p>Contains any relevant information that doesn’t fit in any other defined sections</p><p><a href='../manual/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywords - Technical termⁱ

Documents

1. SIMILARITY comments
   Index of protein domains and families

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ