← Back to search

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：P19419 New Search
2PDB entries
2Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different experimental method 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
1DUX ELK-1/DNA STRUCTURE REVEALS HOW RESIDUES DISTAL FROM DNA-BINDING SURFACE AFFECT DNA-RECOGNITION Deposited 2000-01-19 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: hexameric（6） Consistent with all polymers
Chain C 1–94（94 aa） Fragment：RESIDUES 1-94
Chain F 1–94（94 aa） Fragment：RESIDUES 1-94
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.6；293 K；50 mM sodium Cacodylate, 10% PEG 2000, 100 mM MgCl2, 100 mM NaCl, 3 mM ZnCl2, pH 5.6, VAPOR DIFFUSION, temperature 293K
Resolution 2.10 Å R-free 0.236
9F6Y CryoEM structure of Human Mediator subunit MED23 complexed with phosphorylated Elk-1 transcription factor Deposited 2024-05-02 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 308–401（94 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.98 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.