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Protein Structures and Oligomeric States

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Current Protein Identity：B4DJ51 New Search
1PDB entries
1Biological assembly
1chain/assembly records
Main Difference Dimensions in This Set
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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
2L7L Solution structure of Ca2+/calmodulin complexed with a peptide representing the calmodulin-binding domain of calmodulin kinase I Deposited 2010-12-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–149（148 aa）
Not recorded CA CALCIUM ION × 4 SOLUTION NMR
NMR measurement conditions pH 6.8；303 K；Ionic strength (raw mmCIF value) 0.1；Pressure ambient
NMR measurement conditions pH 6.8；303 K；Ionic strength (raw mmCIF value) 0.3；Pressure ambient
NMR sample composition 0.95 mM [U-13C; U-15N] protein, 1.05 mM peptide, 4 mM CALCIUM ION, 0.5 mM DSS, 100 mM potassium chloride, 20 mM Bis-Tris, 0.03 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.66 mM [U-2H; U-15N] protein, 0.40 mM peptide, 20 mM Bis-Tris, 100 mM potassium chloride, 4 mM CALCIUM ION, 0.03 % sodium azide, 0.5 mM DSS, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.64 mM 1H/13C-methyl Met; U-2H; U-15N protein, 0.83 mM peptide, 20 mM Bis-Tris, 100 mM potassium chloride, 4 mM CALCIUM ION, 0.03 % sodium azide, 0.5 mM DSS, 100% D2O | 100% D2O
NMR sample composition 0.95 mM [U-13C; U-15N] protein, 1.05 mM peptide, 20 mM Bis-Tris, 300 mM potassium chloride, 4 mM CALCIUM ION, 0.03 % sodium azide, 0.5 mM DSS, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.95 mM [U-13C; U-15N] protein, 1.05 mM peptide, 20 mM Bis-Tris, 300 mM potassium chloride, 4 mM CALCIUM ION, 0.03 % sodium azide, 0.5 mM DSS, 16 w/v Pf1 phage, 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.