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Protein

Hemoglobin subunit alpha

Gene

HBA

Organism
Camelus dromedarius (Dromedary) (Arabian camel)
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 bindingi58Iron (heme distal ligand)1
Metal bindingi87Iron (heme proximal ligand)1

GO - Molecular functioni

Keywordsi

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

Names & Taxonomyi

Protein namesi
Recommended name:
Hemoglobin subunit alpha
Alternative name(s):
Alpha-globin
Hemoglobin alpha chain
Gene namesi
Name:HBA
OrganismiCamelus dromedarius (Dromedary) (Arabian camel)
Taxonomic identifieri9838 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaTylopodaCamelidaeCamelus

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_00000525791 – 141Hemoglobin subunit alphaAdd BLAST141

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei3PhosphoserineBy similarity1
Modified residuei7N6-succinyllysineBy similarity1
Modified residuei8PhosphothreonineBy similarity1
Modified residuei11N6-succinyllysineBy similarity1
Modified residuei16N6-acetyllysine; alternateBy similarity1
Modified residuei16N6-succinyllysine; alternateBy similarity1
Modified residuei24PhosphotyrosineBy similarity1
Modified residuei40N6-succinyllysineBy similarity1
Modified residuei49PhosphoserineBy similarity1
Modified residuei102PhosphoserineBy similarity1
Modified residuei108PhosphothreonineBy similarity1
Modified residuei124PhosphoserineBy similarity1
Modified residuei134PhosphothreonineBy similarity1
Modified residuei137PhosphothreonineBy similarity1
Modified residuei138PhosphoserineBy similarity1

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

PRIDEiP63106

Expressioni

Tissue specificityi

Red blood cells.

Interactioni

Subunit structurei

Heterotetramer of two alpha chains and two beta chains.

Structurei

Secondary structure

1141
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi4 – 17Combined sources14
Turni18 – 20Combined sources3
Helixi21 – 35Combined sources15
Helixi37 – 42Combined sources6
Helixi53 – 70Combined sources18
Helixi76 – 79Combined sources4
Helixi81 – 89Combined sources9
Helixi96 – 112Combined sources17
Turni114 – 116Combined sources3
Helixi119 – 137Combined sources19
Helixi138 – 140Combined sources3

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3GDJX-ray2.00A/C1-141[»]
ProteinModelPortaliP63106
SMRiP63106
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP63106

Family & Domainsi

Sequence similaritiesi

Belongs to the globin family.PROSITE-ProRule annotation

Phylogenomic databases

HOVERGENiHBG009709
OrthoDBiEOG091G0S0X

Family and domain databases

CDDicd08927 Hb-alpha_like, 1 hit
Gene3Di1.10.490.10, 1 hit
InterProiView protein in InterPro
IPR000971 Globin
IPR009050 Globin-like_sf
IPR012292 Globin/Proto
IPR002338 Haemoglobin_a-typ
IPR002339 Haemoglobin_pi
PfamiView protein in Pfam
PF00042 Globin, 1 hit
PRINTSiPR00612 ALPHAHAEM
PR00815 PIHAEM
SUPFAMiSSF46458 SSF46458, 1 hit
PROSITEiView protein in PROSITE
PS01033 GLOBIN, 1 hit

Sequencei

Sequence statusi: Complete.

P63106-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
VLSSKDKTNV KTAFGKIGGH AAEYGAEALE RMFLGFPTTK TYFPHFDLSH
60 70 80 90 100
GSAQVKAHGK KVGDALTKAA DHLDDLPSAL SALSDLHAHK LRVDPVNFKL
110 120 130 140
LSHCLLVTVA AHHPGDFTPS VHASLDKFLA NVSTVLTSKY R
Length:141
Mass (Da):15,172
Last modified:July 21, 1986 - v1
Checksum:i2E9DB0CF6B676E5C
GO

Sequence databases

PIRiB91685 HACMA

Similar proteinsi

Entry informationi

Entry nameiHBA_CAMDR
AccessioniPrimary (citable) accession number: P63106
Secondary accession number(s): P01974
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: July 21, 1986
Last modified: April 25, 2018
This is version 62 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, Direct protein sequencing
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Main funding by: National Institutes of Health