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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P00404 New Search
1PDB entries
3Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
No difference found in parsed fields

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
2OCC BOVINE HEART CYTOCHROME C OXIDASE AT THE FULLY OXIDIZED STATE Deposited 1998-05-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain B 1–227（227 aa）
Not recorded CU COPPER (II) ION × 3 MG MAGNESIUM ION × 1 NA SODIUM ION × 1 HEA HEME-A × 2 PER PEROXIDE ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；pH 6.8
Resolution 2.30 Å R-free 0.244
2OCC BOVINE HEART CYTOCHROME C OXIDASE AT THE FULLY OXIDIZED STATE Deposited 1998-05-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain O 1–227（227 aa）
Not recorded CU COPPER (II) ION × 3 MG MAGNESIUM ION × 1 NA SODIUM ION × 1 HEA HEME-A × 2 PER PEROXIDE ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；pH 6.8
Resolution 2.30 Å R-free 0.244
2OCC BOVINE HEART CYTOCHROME C OXIDASE AT THE FULLY OXIDIZED STATE Deposited 1998-05-26 Assembly 3 Protein heterocomplex Heteromer；Protein × 26 PDB declaration: 26-meric（26） Consistent with protein count
Chain B 1–227（227 aa）
Chain O 1–227（227 aa）
Not recorded CU COPPER (II) ION × 6 MG MAGNESIUM ION × 2 NA SODIUM ION × 2 HEA HEME-A × 4 PER PEROXIDE ION × 2 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.8；pH 6.8
Resolution 2.30 Å R-free 0.244

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.