Structure of PDB 1gcw Chain C

Receptor sequence

>1gcwC (length=140) Species: 89020 (Mustelus griseus)

AFTACEKQTIGKIAQVLAKSPEAYGAECLARLFVTHPGSKSYFEYKDYSA
AGAKVQVHGGKVIRAVVKAAEHVDDLHSHLETLALTHGKKLLVDPQNFPM
LSECIIVTLATHLTEFSPDTHCAVDKLLSAICQELSSRYR

3D structure

• PDB: 1gcw The functional similarity and structural diversity of human and cartilaginous fish hemoglobins.
• Chain: C
• Resolution: 2.0 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	C	F43 H58 L83 H87 L91 N97 F98 L101 L135	F43 H58 L83 H87 L91 N97 F98 L101 L135

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: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:1gcw, PDBe:1gcw, PDBj:1gcw
• PDBsum: 1gcw
• PubMed: 11243818
• UniProt: Q9YGW2|HBA_MUSGR Hemoglobin subunit alpha (Gene Name=HBA)