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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：E1BBB4 New Search
1PDB entries
1Biological assembly
1chain/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
3JD5 Cryo-EM structure of the small subunit of the mammalian mitochondrial ribosome Deposited 2016-04-08 Assembly 1 Protein–RNA Heteromer；Protein × 32 PDB declaration: 33-meric（33） Consistent with all polymers
Chain O 1–256（256 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 20 mM HEPES-KOH, pH 7.6, 20 mM MgCl2, 40 mM KCl, 20 mM DTT；pH 7.6；20 mM HEPES-KOH, pH 7.6, 20 mM MgCl2, 40 mM KCl, 20 mM DTT
cryo-EM vitrification conditions flash freezing；Cryogen ETHANE；Plunged into liquid ethane (FEI VITROBOT MARK I).
Resolution 7.00 Å

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.