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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：Q57142 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different ligand/ion Different experimental conditions Different structure-quality metrics

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
1BVB HEME-PACKING MOTIFS REVEALED BY THE CRYSTAL STRUCTURE OF CYTOCHROME C554 FROM NITROSOMONAS EUROPAEA Deposited 1998-09-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–235（211 aa）
Not recorded PO4 PHOSPHATE ION × 3 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 10.1；pH 10.1
Resolution 2.60 Å R-free 0.254
1FT5 CRYSTAL STRUCTURE OF THE OXIDIZED STATE OF CYTOCHROME C554 FROM NITROSOMONAS EUROPAEA Deposited 2000-09-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–235（211 aa）
Not recorded PO4 PHOSPHATE ION × 3 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 10.1；295 K；62.5% w/vol potassium phosphate pH 10.1, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 1.60 Å R-free 0.215
1FT6 REDUCED STATE OF CYTOCHROME C554 FROM NITROSOMONAS EUROPAEA Deposited 2000-09-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–235（211 aa）
Not recorded SO3 SULFITE ION × 1 PO4 PHOSPHATE ION × 1 HEC HEME C × 4 DTN DITHIONITE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 10.1；295 K；62.5% w/vol potassium phosphate pH 10.1, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 1.80 Å R-free 0.236

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.