Structure of PDB 1ch2 Chain A

Receptor sequence
>1ch2A (length=154) Species: 9755 (Physeter catodon) [Search protein sequence]
MVLSEGEWQLVLHVWAKVEADVAGHGQDILIRLFKSHPETLEKFDRFKHL
KTEAEMKASEDLKKHGVTVLTALGAILKKKGHHEAELKPFAQSHATKHKI
PIKYLEFISEAIIHVLHSRHPGNFGADAQGAMNKALELFRKDIAAKYKEL
GYQG
3D structure
PDB1ch2 Waterproofing the heme pocket. Role of proximal amino acid side chains in preventing hemin loss from myoglobin.
ChainA
Resolution1.8 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 R45 H64 V68 F89 S92 H93 H97 I99 Y103 F44 R46 H65 V69 F90 S93 H94 H98 I100 Y104
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:1ch2, PDBe:1ch2, PDBj:1ch2
PDBsum1ch2
PubMed11084036
UniProtP02185|MYG_PHYMC Myoglobin (Gene Name=MB)

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