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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：Q16968 New Search
5PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
1A68 CRYSTAL STRUCTURE OF THE TETRAMERIZATION DOMAIN OF THE SHAKER POTASSIUM CHANNEL Deposited 1998-03-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 66–159（94 aa） Fragment：TETRAMERIZATION DOMAIN
Mutation：INSERTED MET AT N-TERMINUS No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；PROTEIN WAS CRYSTALLIZED FROM 7-8% PEG8000, 300 MM NACL, 200MM MGCL2, 20 MM TRIS, PH 8.5
Resolution 1.80 Å R-free 0.241
1EOD CRYSTAL STRUCTURE OF THE N136D MUTANT OF A SHAKER T1 DOMAIN Deposited 2000-03-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 66–165（100 aa） Fragment：SHAKER T1 DOMAIN
Mutation：N136D No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；30% Isopropanol, .1 M Hepes 7.5. .2 M MgCl2,, VAPOR DIFFUSION, HANGING DROP, temperature 4K
Resolution 2.45 Å R-free 0.234
1EOE CRYSTAL STRUCTURE OF THE V135R MUTANT OF A SHAKER T1 DOMAIN Deposited 2000-03-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 66–165（100 aa） Fragment：SHAKER T1 DOMAIN
Mutation：V135R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；30% Isopropanol, .1 M Hepes 7.5, .2 M MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 4K
Resolution 1.70 Å R-free 0.249
1EOF CRYSTAL STRUCTURE OF THE N136A MUTANT OF A SHAKER T1 DOMAIN Deposited 2000-03-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 66–165（100 aa） Fragment：SHAKER T1 DOMAIN
Mutation：N136A No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.4；277 K；30% Isopropanol, .1 M Hepes 7.5, .2 M MgCl2, pH 7.4, VAPOR DIFFUSION, HANGING DROP
Resolution 2.38 Å R-free 0.264
1T1D CRYSTAL STRUCTURE OF THE TETRAMERIZATION DOMAIN OF THE SHAKER POTASSIUM CHANNEL Deposited 1998-09-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 66–165（100 aa） Fragment：TETRAMERIZATION DOMAIN
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；24% ISOPROPANOL, .2M MGCL2, .1 M HEPES PH 7.5, 1MM DTT
Resolution 1.51 Å R-free 0.249

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.