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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：P22321 New Search
1PDB entries
2Biological 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
1C8B CRYSTAL STRUCTURE OF A NOVEL GERMINATION PROTEASE FROM SPORES OF BACILLUS MEGATERIUM: STRUCTURAL REARRANGEMENTS AND ZYMOGEN ACTIVATION Deposited 2000-05-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–371（371 aa）
Chain B 1–371（371 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7.4；293 K；SODIUM CITRATE, SODIUM HEPES, pH 7.4, EVAPORATION, temperature 293K
Resolution 3.00 Å R-free 0.330
1C8B CRYSTAL STRUCTURE OF A NOVEL GERMINATION PROTEASE FROM SPORES OF BACILLUS MEGATERIUM: STRUCTURAL REARRANGEMENTS AND ZYMOGEN ACTIVATION Deposited 2000-05-03 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–371（371 aa）
Chain B 1–371（371 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 7.4；293 K；SODIUM CITRATE, SODIUM HEPES, pH 7.4, EVAPORATION, temperature 293K
Resolution 3.00 Å R-free 0.330

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.