Structure of PDB 1nqp Chain B

Receptor sequence
>1nqpB (length=146) Species: 9606 (Homo sapiens) [Search protein sequence]
VHLTPEEKSAVTALWGKVNVDEVGGKALGRLLVVYPWTQRFFESFGDLST
PDAVMGNPKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDP
ENFRLLGNVLVCVLAHHFGKEFTPPVQAAYQKVVAGVANALAHKYH
3D structure
PDB1nqp Crystallization and preliminary X-ray structural Studies of Hemoglobin A2 and Hemoglobin E, isolated from the blood samples of Beta-thalassemic patients
ChainB
Resolution1.73 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 B T38 F41 F42 H63 F71 L88 H92 L96 V98 N102 F103 L106 L141 T38 F41 F42 H63 F71 L88 H92 L96 V98 N102 F103 L106 L141
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0005344 oxygen carrier activity
GO:0005515 protein binding
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0030492 hemoglobin binding
GO:0031720 haptoglobin binding
GO:0031721 hemoglobin alpha binding
GO:0043177 organic acid binding
GO:0046872 metal ion binding
Biological Process
GO:0008217 regulation of blood pressure
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:0045429 positive regulation of nitric oxide biosynthetic process
GO:0070293 renal absorption
GO:0070527 platelet aggregation
GO:0097746 blood vessel diameter maintenance
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005829 cytosol
GO:0005833 hemoglobin complex
GO:0031838 haptoglobin-hemoglobin complex
GO:0070062 extracellular exosome
GO:0071682 endocytic vesicle lumen
GO:0072562 blood microparticle
GO:1904724 tertiary granule lumen
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1nqp, PDBe:1nqp, PDBj:1nqp
PDBsum1nqp
PubMed12659864
UniProtP68871|HBB_HUMAN Hemoglobin subunit beta (Gene Name=HBB)

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