Structure of PDB 3a0g Chain B

Receptor sequence

>3a0gB (length=144) Species: 10141 (Cavia porcellus)

VHLTAAEKSAILDLWGKVNVGEIGAEALGRLLVVYPWTQRFFEKFGDLSS
ASAIMSNAHVKSHGAKVLASFSEGLKHLQDLKGTFAKLSELHCDKLHVDP
ENFRLLGNMLTIAIAHHHPSEFTPCTQAAFQKVTAGVANALAHK

3D structure

• PDB: 3a0g Crystal structure analysis of guinea pig oxyhemoglobin at 2.5 angstroms resolution
• Chain: B
• Resolution: 2.5 Å

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	F41 F42 H63 H92 L96 V98 N102 L141	F41 F42 H63 H92 L96 V98 N102 L141
BS02	OXY	B	H63 V67	H63 V67

Gene Ontology

Molecular Function

• GO:0004601 peroxidase activity
• GO:0005344 oxygen carrier activity
• GO:0019825 oxygen binding
• GO:0020037 heme binding
• GO:0031720 haptoglobin binding
• GO:0031721 hemoglobin alpha binding
• GO:0043177 organic acid binding
• GO:0046872 metal ion binding

Biological Process

• GO:0015671 oxygen transport
• GO:0042744 hydrogen peroxide catabolic process
• GO:0098869 cellular oxidant detoxification

Cellular Component

• GO:0005833 hemoglobin complex
• GO:0031838 haptoglobin-hemoglobin complex
• GO:0072562 blood microparticle

External links

• PDB: RCSB:3a0g, PDBe:3a0g, PDBj:3a0g
• PDBsum: 3a0g
• UniProt: P02095|HBB_CAVPO Hemoglobin subunit beta (Gene Name=HBB)