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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：P15381 New Search
2PDB entries
2Biological assembly
2chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different ligand/ion 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
4DEY Crystal structure of the Voltage Dependent Calcium Channel beta-2 Subunit in Complex With The CaV1.2 I-II Linker. Deposited 2012-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 435–539（105 aa） Fragment：Intracellular I-II linker
Not recorded BR BROMIDE ION × 17 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；292 K；1.1-1.25 M potassium sodium tartrate, 0.1 M Tris Soaked with KI before freezing , pH 7.5, VAPOR DIFFUSION, temperature 292K
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；292 K；1.1-1.25 M potassium sodium tartrate, 0.1 M Tris Soaked with KI before freezing, pH 7.5, VAPOR DIFFUSION, temperature 292K
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.5；292 K；1.1-1.25 M potassium sodium tartrate, 0.1 M Tris Soaked with NaBr before freezing, pH 7.5, VAPOR DIFFUSION, temperature 292K
Resolution 1.95 Å R-free 0.229
6CTB Apo-Calmodulin Bound to Calcium Voltage Gated Channel 1.2 IQ-Motif Deposited 2018-03-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1644–1668（25 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；303 K；Ionic strength (raw mmCIF value) 100；Pressure 1
NMR sample composition 300 uM [U-99% 15N] apo-Calmodulin, 300 uM Calcium Voltage Gated Channel 1.2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 300 uM [U-99% 15N] Calcium Voltage Gated Channel 1.2, 300 uM apo-Calmodulin, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided

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.