Structure of PDB 1a3n Chain A

Receptor sequence
>1a3nA (length=141) Species: 9606 (Homo sapiens) [Search protein sequence]
VLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSH
GSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKL
LSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR
3D structure
PDB1a3n The structures of deoxy human haemoglobin and the mutant Hb Tyralpha42His at 120 K.
ChainA
Resolution1.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 HEM A F43 H45 H58 K61 L83 H87 L91 V93 N97 F98 L136 F43 H45 H58 K61 L83 H87 L91 V93 N97 F98 L136
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0005344 oxygen carrier activity
GO:0005506 iron ion binding
GO:0005515 protein binding
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0031720 haptoglobin binding
GO:0043177 organic acid binding
GO:0046872 metal ion binding
Biological Process
GO:0015670 carbon dioxide transport
GO:0015671 oxygen transport
GO:0030185 nitric oxide transport
GO:0042542 response to hydrogen peroxide
GO:0042744 hydrogen peroxide catabolic process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005829 cytosol
GO:0005833 hemoglobin complex
GO:0016020 membrane
GO:0031838 haptoglobin-hemoglobin complex
GO:0070062 extracellular exosome
GO:0071682 endocytic vesicle lumen
GO:0072562 blood microparticle

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1a3n, PDBe:1a3n, PDBj:1a3n
PDBsum1a3n
PubMed10930827
UniProtP69905|HBA_HUMAN Hemoglobin subunit alpha (Gene Name=HBA1)

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