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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：Q28142 New Search
1PDB entries
3Biological 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
3VKF Crystal Structure of Neurexin 1beta/Neuroligin 1 complex Deposited 2011-11-15 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 83–290（208 aa） Fragment：LNS domain (UNP RESIDUES 83-290)
Chain D 83–290（208 aa） Fragment：LNS domain (UNP RESIDUES 83-290)
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；0.1M sodium chloride, 0.005M calcium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.287
3VKF Crystal Structure of Neurexin 1beta/Neuroligin 1 complex Deposited 2011-11-15 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 83–290（208 aa） Fragment：LNS domain (UNP RESIDUES 83-290)
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；0.1M sodium chloride, 0.005M calcium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.287
3VKF Crystal Structure of Neurexin 1beta/Neuroligin 1 complex Deposited 2011-11-15 Assembly 5 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 83–290（208 aa） Fragment：LNS domain (UNP RESIDUES 83-290)
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；0.1M sodium chloride, 0.005M calcium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.287

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.