Structure of PDB 1irc Chain A

Receptor sequence
>1ircA (length=152) Species: 9755 (Physeter catodon) [Search protein sequence]
VLSEGEWQLVLHVWAKVEADVAGHGQDILIRLFKSHPETLEKFDRFKHLK
TEAEMKASEDLKKHGVTVLTALGAILKKKGHHEAELKPLAQSGATKHKIP
IKYLEFISEAIIHVLHSRHPGDFGADAQGAMNKALELFRKDIAAKYKELG
YQ
3D structure
PDB1irc Replacement of the proximal ligand of sperm whale myoglobin with free imidazole in the mutant His-93-->Gly.
ChainA
Resolution2.17 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.11.1.-
1.7.-.-
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 V68 L89 S92 H97 I99 Y103 F138 F43 V68 L89 S92 H97 I99 Y103 F138
BS02 IMD A L89 S92 L89 S92
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0005344 oxygen carrier activity
GO:0016491 oxidoreductase activity
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0098809 nitrite reductase activity
Biological Process
GO:0015671 oxygen transport
GO:0019430 removal of superoxide radicals
Cellular Component
GO:0005737 cytoplasm
GO:0016528 sarcoplasm
GO:0070062 extracellular exosome

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Biological Process
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Cellular Component
External links
PDB RCSB:1irc, PDBe:1irc, PDBj:1irc
PDBsum1irc
PubMed8204590
UniProtP02185|MYG_PHYMC Myoglobin (Gene Name=MB)

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