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Protein

Hemoglobin subunit beta

Gene

HBB

Organism
Equus caballus (Horse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

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

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi63Iron (heme distal ligand)By similarity1
Metal bindingi92Iron (heme proximal ligand)Combined sources1 Publication1

GO - Molecular functioni

Keywordsi

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

Names & Taxonomyi

Protein namesi
Recommended name:
Hemoglobin subunit beta
Alternative name(s):
Beta-globin
Hemoglobin beta chain
Gene namesi
Name:HBB
OrganismiEquus caballus (Horse)
Taxonomic identifieri9796 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaPerissodactylaEquidaeEquus
Proteomesi
  • UP000002281 Componenti: Unplaced

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; Source: COMPARTMENTS

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000529751 – 146Hemoglobin subunit betaAdd BLAST146

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1N-acetylvalineBy similarity1
Modified residuei44PhosphoserineBy similarity1
Modified residuei59N6-acetyllysineBy similarity1
Modified residuei82N6-acetyllysineBy similarity1
Modified residuei93S-nitrosocysteineBy similarity1
Modified residuei144N6-acetyllysineBy similarity1

Keywords - PTMi

Acetylation, Phosphoprotein, S-nitrosylation

Proteomic databases

PaxDbiP02062
PeptideAtlasiP02062
PRIDEiP02062

Expressioni

Tissue specificityi

Red blood cells.

Interactioni

Subunit structurei

Heterotetramer of two alpha chains and two beta chains.

Protein-protein interaction databases

IntActiP02062, 2 interactors
MINTiP02062
STRINGi9796.ENSECAP00000008056

Structurei

Secondary structure

1146
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi5 – 15Combined sources11
Helixi20 – 34Combined sources15
Helixi36 – 45Combined sources10
Helixi51 – 56Combined sources6
Helixi58 – 75Combined sources18
Helixi76 – 80Combined sources5
Helixi81 – 94Combined sources14
Helixi101 – 118Combined sources18
Helixi119 – 121Combined sources3
Helixi124 – 141Combined sources18
Helixi143 – 145Combined sources3

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1G0BX-ray1.90B1-146[»]
1IBEX-ray1.80B1-146[»]
1IWHX-ray1.55B1-146[»]
1NS6X-ray2.05B1-146[»]
1NS9X-ray1.60B1-146[»]
1Y8HX-ray3.10B/D1-146[»]
1Y8IX-ray2.60B/D1-146[»]
1Y8KX-ray2.30B/D1-146[»]
2D5XX-ray1.45B1-146[»]
2DHBX-ray2.80B1-146[»]
2MHBX-ray2.00B1-146[»]
2ZLTX-ray1.90B1-146[»]
2ZLUX-ray2.00B1-146[»]
2ZLVX-ray2.00B1-146[»]
2ZLWX-ray2.90B/D1-146[»]
2ZLXX-ray2.80B/D1-146[»]
5C6EOther1.70B1-146[»]
ProteinModelPortaliP02062
SMRiP02062
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP02062

Family & Domainsi

Sequence similaritiesi

Belongs to the globin family.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiKOG3378 Eukaryota
COG1018 LUCA
HOGENOMiHOG000036868
HOVERGENiHBG009709
InParanoidiP02062
OMAiWTRRFFE

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

Sequencei

Sequence statusi: Complete.

P02062-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
VQLSGEEKAA VLALWDKVNE EEVGGEALGR LLVVYPWTQR FFDSFGDLSN
60 70 80 90 100
PGAVMGNPKV KAHGKKVLHS FGEGVHHLDN LKGTFAALSE LHCDKLHVDP
110 120 130 140
ENFRLLGNVL VVVLARHFGK DFTPELQASY QKVVAGVANA LAHKYH
Length:146
Mass (Da):16,008
Last modified:July 21, 1986 - v1
Checksum:i734664793DA642EE
GO

Sequence databases

PIRiB91688 HBHO
UniGeneiEca.16920

Similar proteinsi

Entry informationi

Entry nameiHBB_HORSE
AccessioniPrimary (citable) accession number: P02062
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: July 21, 1986
Last modified: April 25, 2018
This is version 140 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome
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Main funding by: National Institutes of Health