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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：P43642 New Search
1PDB entries
1Biological assembly
2chain/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
1D02 CRYSTAL STRUCTURE OF MUNI RESTRICTION ENDONUCLEASE IN COMPLEX WITH COGNATE DNA Deposited 1999-09-08 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 1–202（202 aa）
Chain B 1–202（202 aa）
Mutation：D83A Mutation：D83A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6；293 K；PEG 8000, CALCIUM CHLORIDE, SODIUM CHLORIDE, MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K
Resolution 1.70 Å R-free 0.213

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.