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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：P02593 New Search
11PDB entries
22Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state 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
1CM1 MOTIONS OF CALMODULIN-SINGLE-CONFORMER REFINEMENT Deposited 1997-09-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions vapor diffusion - hanging drop - microseeding；pH 5.2；DIFFRACTION-QUALITY CRYSTALS WERE MICROSEEDED IN HANGING DROPS OVER 100 MM SODIUM ACETATE AT PH 5.2, WITH 20% POLY-ETHYLENE GLYCOL 6000 (PEG 6000), 10 MM CALCIUM CHLORIDE AND 0.02% SODIUM AZIDE. STOCK SOLUTIONS OF 24 MG/ML BOVINE BRAIN CALMODULIN (SIGMA LOT 54H9558), 14 MG/ML CAMKII-ALPHA PEPTIDE, AND 30% PEG WERE MIXED INTO HANGING DROPS IN ABOUT A 4-2-1 RATIO., vapor diffusion - hanging drop - microseeding
Resolution 2.00 Å R-free 0.302
1CM1 MOTIONS OF CALMODULIN-SINGLE-CONFORMER REFINEMENT Deposited 1997-09-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 10 X-RAY DIFFRACTION
X-ray crystallization conditions vapor diffusion - hanging drop - microseeding；pH 5.2；DIFFRACTION-QUALITY CRYSTALS WERE MICROSEEDED IN HANGING DROPS OVER 100 MM SODIUM ACETATE AT PH 5.2, WITH 20% POLY-ETHYLENE GLYCOL 6000 (PEG 6000), 10 MM CALCIUM CHLORIDE AND 0.02% SODIUM AZIDE. STOCK SOLUTIONS OF 24 MG/ML BOVINE BRAIN CALMODULIN (SIGMA LOT 54H9558), 14 MG/ML CAMKII-ALPHA PEPTIDE, AND 30% PEG WERE MIXED INTO HANGING DROPS IN ABOUT A 4-2-1 RATIO., vapor diffusion - hanging drop - microseeding
Resolution 2.00 Å R-free 0.302
1CM4 Motions of calmodulin-four-conformer refinement Deposited 1997-09-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 17 X-RAY DIFFRACTION
X-ray crystallization conditions vapor diffusion - hanging drop - microseeding；pH 5.2；DIFFRACTION-QUALITY CRYSTALS WERE MICROSEEDED IN HANGING DROPS OVER 100 MM SODIUM ACETATE AT PH 5.2, WITH 20% POLY-ETHYLENE GLYCOL 6000 (PEG 6000), 10 MM CALCIUM CHLORIDE AND 0.02% SODIUM AZIDE. STOCK SOLUTIONS OF 24 MG/ML BOVINE BRAIN CALMODULIN (SIGMA LOT 54H9558), 14 MG/ML CAMKII-ALPHA PEPTIDE, AND 30% PEG WERE MIXED INTO HANGING DROPS IN ABOUT A 4-2-1 RATIO., vapor diffusion - hanging drop - microseeding
Resolution 2.00 Å R-free 0.262
1DEG THE LINKER OF DES-GLU84 CALMODULIN IS BENT AS SEEN IN THE CRYSTAL STRUCTURE Deposited 1993-06-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 5–147（143 aa）
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.90 Å
1K90 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 3' deoxy-ATP Deposited 2001-10-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain D 5–148（144 aa）
Chain E 5–148（144 aa）
Chain F 5–148（144 aa）
Not recorded YB YTTERBIUM (III) ION × 3 3AT 3'-DEOXYADENOSINE-5'-TRIPHOSPHATE × 3 CA CALCIUM ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 8000, Ammonium Sulphate, Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.75 Å R-free 0.286
1K90 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 3' deoxy-ATP Deposited 2001-10-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 5–148（144 aa）
Not recorded YB YTTERBIUM (III) ION × 1 3AT 3'-DEOXYADENOSINE-5'-TRIPHOSPHATE × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 8000, Ammonium Sulphate, Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.75 Å R-free 0.286
1K90 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 3' deoxy-ATP Deposited 2001-10-26 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 5–148（144 aa）
Not recorded YB YTTERBIUM (III) ION × 1 3AT 3'-DEOXYADENOSINE-5'-TRIPHOSPHATE × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 8000, Ammonium Sulphate, Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.75 Å R-free 0.286
1K90 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 3' deoxy-ATP Deposited 2001-10-26 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 5–148（144 aa）
Not recorded YB YTTERBIUM (III) ION × 1 3AT 3'-DEOXYADENOSINE-5'-TRIPHOSPHATE × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 8000, Ammonium Sulphate, Cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.75 Å R-free 0.286
1K93 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin Deposited 2001-10-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 5–148（144 aa）
Not recorded SO4 SULFATE ION × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；peg8000, ammonium sulphate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.95 Å R-free 0.315
1K93 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin Deposited 2001-10-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 5–148（144 aa）
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；peg8000, ammonium sulphate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.95 Å R-free 0.315
1K93 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin Deposited 2001-10-26 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 5–148（144 aa）
Not recorded SO4 SULFATE ION × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；peg8000, ammonium sulphate, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.95 Å R-free 0.315
1LVC Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 2' deoxy, 3' anthraniloyl ATP Deposited 2002-05-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–149（149 aa）
Not recorded YB YTTERBIUM (III) ION × 1 DOT 3'ANTHRANILOYL-2'-DEOXY-ADENOSINE-5'-TRIPHOSPHATE × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；PEG 8000, ammonium sulfate, glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.60 Å R-free 0.307
1LVC Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 2' deoxy, 3' anthraniloyl ATP Deposited 2002-05-28 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–149（149 aa）
Not recorded YB YTTERBIUM (III) ION × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；PEG 8000, ammonium sulfate, glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.60 Å R-free 0.307
1LVC Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin and 2' deoxy, 3' anthraniloyl ATP Deposited 2002-05-28 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–149（149 aa）
Not recorded YB YTTERBIUM (III) ION × 1 DOT 3'ANTHRANILOYL-2'-DEOXY-ADENOSINE-5'-TRIPHOSPHATE × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；PEG 8000, ammonium sulfate, glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 3.60 Å R-free 0.307
1NKF CALCIUM-BINDING PEPTIDE, NMR, 30 STRUCTURES Deposited 1998-03-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 93–104（12 aa）
Mutation：D5N Non-standard monomer：Yes (specific site not provided by mmCIF) LA LANTHANUM (III) ION × 1 SOLUTION NMR
NMR measurement conditions pH 6；275.2 K；Ionic strength (raw mmCIF value) 120mM；Pressure 10E+5 PA
NMR sample composition H2O/D2O(9:1)
Resolution not provided
1QIV CALMODULIN COMPLEXED WITH N-(3,3,-DIPHENYLPROPYL)-N'-[1-R-(3,4-BIS-BUTOXYPHENYL)-ETHYL]-PROPYLENEDIAMINE (DPD), 1:2 COMPLEX Deposited 1999-06-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 4 DPD N-(3,3,-DIPHENYLPROPYL)-N'-[1-R-(2 3,4-BIS-BUTOXYPHENYL)-ETHYL]-PROPYLENEDIAMINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；PROTEIN WAS CRYSTALLIZED BY HANGING DROP TECHNIQUE AT ROOM TEMPERATURE FROM 50 MM PH=5.0 SODIUM CACODYLATE/HCL BUFFER, 10 MM MGCL2, 10 MM CACL2, 2MM DPD AND 28% PEG 8000. CRYSTAL GROWTH TOOK 2-3 WEEKS., pH 5.00
Resolution 2.64 Å R-free 0.301
1QIW Calmodulin complexed with N-(3,3,-diphenylpropyl)-N'-[1-R-(3,4-bis-butoxyphenyl)-ethyl]-propylenediamine (DPD) Deposited 1999-06-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 4 DPD N-(3,3,-DIPHENYLPROPYL)-N'-[1-R-(2 3,4-BIS-BUTOXYPHENYL)-ETHYL]-PROPYLENEDIAMINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；PROTEIN WAS CRYSTALLIZED BY HANGING DROP TECHNIQUE. 50 MM PH=6.0 SODIUM CACODYLATE/HCL BUFFER, 10 MM MGCL2, 10 MM CACL2, 2MM DPD AND 30% PEG 8000 THE CRYSTAL COULD NOT BE REPRODUCED., pH 6.00
Resolution 2.30 Å R-free 0.317
1QIW Calmodulin complexed with N-(3,3,-diphenylpropyl)-N'-[1-R-(3,4-bis-butoxyphenyl)-ethyl]-propylenediamine (DPD) Deposited 1999-06-17 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–148（148 aa）
Not recorded CA CALCIUM ION × 4 DPD N-(3,3,-DIPHENYLPROPYL)-N'-[1-R-(2 3,4-BIS-BUTOXYPHENYL)-ETHYL]-PROPYLENEDIAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；PROTEIN WAS CRYSTALLIZED BY HANGING DROP TECHNIQUE. 50 MM PH=6.0 SODIUM CACODYLATE/HCL BUFFER, 10 MM MGCL2, 10 MM CACL2, 2MM DPD AND 30% PEG 8000 THE CRYSTAL COULD NOT BE REPRODUCED., pH 6.00
Resolution 2.30 Å R-free 0.317
1SK6 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin, 3',5' cyclic AMP (cAMP), and pyrophosphate Deposited 2004-03-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–148（148 aa）
Not recorded YB YTTERBIUM (III) ION × 3 CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.20 Å R-free 0.307
1SK6 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin, 3',5' cyclic AMP (cAMP), and pyrophosphate Deposited 2004-03-04 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–148（148 aa）
Not recorded YB YTTERBIUM (III) ION × 3 CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.20 Å R-free 0.307
1SK6 Crystal structure of the adenylyl cyclase domain of anthrax edema factor (EF) in complex with calmodulin, 3',5' cyclic AMP (cAMP), and pyrophosphate Deposited 2004-03-04 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–148（148 aa）
Not recorded YB YTTERBIUM (III) ION × 3 CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 1 POP PYROPHOSPHATE 2- × 1 CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 3.20 Å R-free 0.307
3CLN STRUCTURE OF CALMODULIN REFINED AT 2.2 ANGSTROMS RESOLUTION Deposited 1988-05-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–148（148 aa）
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 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.