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Entry version 171 (16 Oct 2019)
Sequence version 2 (23 Jan 2007)
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Protein

Hemoglobin subunit beta-2

Gene
N/A
Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

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

Involved in oxygen transport from the lung to the various peripheral tissues.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi64Iron (heme distal ligand)1
Metal bindingi93Iron (heme proximal ligand)1

<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><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/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>Keywordsi

Biological processOxygen transport, Transport
LigandHeme, Iron, Metal-binding

<p>This section 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><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Hemoglobin subunit beta-2
Alternative name(s):
Beta-2-globin
Hemoglobin beta chain, minor-form
Hemoglobin beta-2 chain
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiRattus norvegicus (Rat)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10116 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000002494 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 1

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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

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

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section indicates that the initiator methionine is cleaved from the mature protein.<p><a href='/help/init_met' target='_top'>More...</a></p>Initiator methionineiRemovedBy similarity1 Publication
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000530912 – 147Hemoglobin subunit beta-2Add BLAST146

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei2N-acetylvalineBy similarity1
Modified residuei13PhosphoserineCombined sources1
Modified residuei18N6-succinyllysineBy similarity1
Modified residuei51PhosphoserineBy similarity1
Modified residuei53PhosphoserineCombined sources1
Modified residuei105Asymmetric dimethylarginineBy similarity1
Modified residuei124PhosphothreonineCombined sources1
Modified residuei126Phosphoserine; in variant Ser-126Combined sources1

Keywords - PTMi

Acetylation, Methylation, Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
P11517

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P11517

PRoteomics IDEntifications database

More...
PRIDEi
P11517

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P11517

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
P11517

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
P11517

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

<p>This subsection of the ‘Expression’ section 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></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Red blood cells.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000047098 Expressed in 9 organ(s), highest expression level in spleen

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P11517 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P11517 RN

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

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section 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="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Heterotetramer of two alpha chains and two beta chains.

GO - Molecular functioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
603888, 1 interactor

ComplexPortal: manually curated resource of macromolecular complexes

More...
ComplexPortali
CPX-2926 Hemoglobin HbA complex, variant HBB2

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000063652

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
P11517

Database of comparative protein structure models

More...
ModBasei
Search...

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

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the globin family.PROSITE-ProRule annotation

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3378 Eukaryota
COG1018 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000156216

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000036868

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P11517

KEGG Orthology (KO)

More...
KOi
K13823

Identification of Orthologs from Complete Genome Data

More...
OMAi
MVKWTEE

Database of Orthologous Groups

More...
OrthoDBi
1370439at2759

TreeFam database of animal gene trees

More...
TreeFami
TF333268

Family and domain databases

Conserved Domains Database

More...
CDDi
cd08925 Hb-beta_like, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.490.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000971 Globin
IPR009050 Globin-like_sf
IPR012292 Globin/Proto
IPR002337 Haemoglobin_b

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00042 Globin, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00814 BETAHAEM

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF46458 SSF46458, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS01033 GLOBIN, 1 hit

<p>This section 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 <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/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><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry has 1 described isoform and 2 potential isoforms that are computationally mapped.Show allAlign All

P11517-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MVHLTDAEKA TVSGLWGKVN ADNVGAEALG RLLVVYPWTQ RYFSKFGDLS
60 70 80 90 100
SASAIMGNPQ VKAHGKKVIN AFNDGLKHLD NLKGTFAHLS ELHCDKLHVD
110 120 130 140
PENFRLLGNM IVIVLGHHLG KEFTPCAQAA FQKVVAGVAS ALAHKYH
Length:147
Mass (Da):15,982
Last modified:January 23, 2007 - v2
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i909061A0AD4E7BB8
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There are 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
Q62669Q62669_RAT
Globin a1
LOC103694855 0 beta-1 globin, Glna1, Hbb-b1
147Annotation score:

Annotation score:2 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
A0A0G2JTW9A0A0G2JTW9_RAT
Hemoglobin, beta adult major chain
Hbb-b1 LOC103694855, LOC689064
147Annotation score:

Annotation score:2 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

<p>This subsection of the ‘Sequence’ section provides information on polymorphic variants. If the variant is associated with a disease state, the description of the latter can be found in the <a href="http://www.uniprot.org/manual/involvement_in_disease">'Involvement in disease'</a> subsection.<p><a href='/help/polymorphism' target='_top'>More...</a></p>Polymorphismi

In rats there are two non-allelic alpha chains and two non-allelic beta chains.Curated

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural varianti21A → P in strain: Sprague-Dawley. 1
Natural varianti126C → S in strain: Sprague-Dawley. Combined sources1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
X67616 Genomic DNA Translation: CAA47876.1
X15160 Genomic DNA Translation: CAA33250.1
X05080 mRNA Translation: CAA28738.1
X06701 Genomic DNA Translation: CAA29887.1
X16418 mRNA Translation: CAA34440.1
X67615 Genomic DNA Translation: CAA47875.1
X67614 Genomic DNA Translation: CAA47874.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A25747
S00840

NCBI Reference Sequences

More...
RefSeqi
NP_001104739.1, NM_001111269.1
NP_001106694.1, NM_001113223.1
XP_008772023.1, XM_008773801.1
XP_017458001.1, XM_017602512.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000089102; ENSRNOP00000072853; ENSRNOG00000047098
ENSRNOT00000090678; ENSRNOP00000069937; ENSRNOG00000054582
ENSRNOT00000090745; ENSRNOP00000071528; ENSRNOG00000061299

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
100134871
103694857
689064

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:100134871
rno:103694857
rno:689064

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

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

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X67616 Genomic DNA Translation: CAA47876.1
X15160 Genomic DNA Translation: CAA33250.1
X05080 mRNA Translation: CAA28738.1
X06701 Genomic DNA Translation: CAA29887.1
X16418 mRNA Translation: CAA34440.1
X67615 Genomic DNA Translation: CAA47875.1
X67614 Genomic DNA Translation: CAA47874.1
PIRiA25747
S00840
RefSeqiNP_001104739.1, NM_001111269.1
NP_001106694.1, NM_001113223.1
XP_008772023.1, XM_008773801.1
XP_017458001.1, XM_017602512.1

3D structure databases

SMRiP11517
ModBaseiSearch...

Protein-protein interaction databases

BioGridi603888, 1 interactor
ComplexPortaliCPX-2926 Hemoglobin HbA complex, variant HBB2
STRINGi10116.ENSRNOP00000063652

PTM databases

iPTMnetiP11517
PhosphoSitePlusiP11517
SwissPalmiP11517

Proteomic databases

jPOSTiP11517
PaxDbiP11517
PRIDEiP11517

Genome annotation databases

EnsembliENSRNOT00000089102; ENSRNOP00000072853; ENSRNOG00000047098
ENSRNOT00000090678; ENSRNOP00000069937; ENSRNOG00000054582
ENSRNOT00000090745; ENSRNOP00000071528; ENSRNOG00000061299
GeneIDi100134871
103694857
689064
KEGGirno:100134871
rno:103694857
rno:689064

Phylogenomic databases

eggNOGiKOG3378 Eukaryota
COG1018 LUCA
GeneTreeiENSGT00940000156216
HOGENOMiHOG000036868
InParanoidiP11517
KOiK13823
OMAiMVKWTEE
OrthoDBi1370439at2759
TreeFamiTF333268

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P11517

Gene expression databases

BgeeiENSRNOG00000047098 Expressed in 9 organ(s), highest expression level in spleen
ExpressionAtlasiP11517 baseline and differential
GenevisibleiP11517 RN

Family and domain databases

CDDicd08925 Hb-beta_like, 1 hit
Gene3Di1.10.490.10, 1 hit
InterProiView protein in InterPro
IPR000971 Globin
IPR009050 Globin-like_sf
IPR012292 Globin/Proto
IPR002337 Haemoglobin_b
PfamiView protein in Pfam
PF00042 Globin, 1 hit
PRINTSiPR00814 BETAHAEM
SUPFAMiSSF46458 SSF46458, 1 hit
PROSITEiView protein in PROSITE
PS01033 GLOBIN, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiHBB2_RAT
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P11517
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1989
Last sequence update: January 23, 2007
Last modified: October 16, 2019
This is version 171 of the entry and version 2 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

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

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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