Structure of PDB 1azi Chain A Binding Site BS01

Receptor Information

>1azi Chain A (length=153) Species: 9796 (Equus caballus)

GLSDGEWQQVLNVWGKVEADIAGHGQEVLIRLFTGHPETLEKFDKFKHLK
TEAEMKASEDLKKHGTVVLTALGGILKKKGHHEAELKPLAQSHATKHKIP
IKYLEFISDAIIHVLHSKHPGDFGADAQGAMTKALELFRNDIAAKYKELG
FQG

Ligand information

• Ligand ID: AZI
• InChI: InChI=1S/N3/c1-3-2/q-1
• InChIKey: IVRMZWNICZWHMI-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: [N-]=[N+]=[N-]
• Formula: N3
• Name: AZIDE ION
• ChEMBL: CHEMBL79455
• PDB chain: 1azi Chain A Residue 300

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1azi Structural and spectroscopic studies of azide complexes of horse heart myoglobin and the His-64-->Thr variant.
• Resolution: 2.0 Å
• Binding residue (original residue number in PDB): H64 V68
• Binding residue (residue number reindexed from 1): H64 V68
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 1.11.1.-
  1.7.-.-

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

External links

• PDB: RCSB:1azi, PDBe:1azi, PDBj:1azi
• PDBsum: 1azi
• PubMed: 9576852
• UniProt: P68082|MYG_HORSE Myoglobin (Gene Name=MB)