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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：Q51883 New Search
9PDB entries
22Biological assembly
33chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different assembly state Different ligand/ion 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
1BAW PLASTOCYANIN FROM PHORMIDIUM LAMINOSUM Deposited 1998-04-19 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 6 ZN ZINC ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.80 Å R-free 0.258
1BAW PLASTOCYANIN FROM PHORMIDIUM LAMINOSUM Deposited 1998-04-19 Assembly 2 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 3 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.80 Å R-free 0.258
2Q5B High resolution structure of Plastocyanin from Phormidium laminosum Deposited 2007-05-31 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa）
Not recorded CU COPPER (II) ION × 1 ZN ZINC ION × 1 K POTASSIUM ION × 2 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.45 Å R-free 0.210
2Q5B High resolution structure of Plastocyanin from Phormidium laminosum Deposited 2007-05-31 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–139（105 aa）
Not recorded CU COPPER (II) ION × 1 ZN ZINC ION × 1 K POTASSIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.45 Å R-free 0.210
2Q5B High resolution structure of Plastocyanin from Phormidium laminosum Deposited 2007-05-31 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 1 ZN ZINC ION × 2 K POTASSIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.45 Å R-free 0.210
2Q5B High resolution structure of Plastocyanin from Phormidium laminosum Deposited 2007-05-31 Assembly 4 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 3 ZN ZINC ION × 4 K POTASSIUM ION × 5 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.45 Å R-free 0.210
2Q5B High resolution structure of Plastocyanin from Phormidium laminosum Deposited 2007-05-31 Assembly 5 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 3 ZN ZINC ION × 4 K POTASSIUM ION × 5 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；0.1 M NA CACODYLATE BUFFER (PH 6), 0.2 M ZN ACETATE, 15% PEG 8000 , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.45 Å R-free 0.210
2W88 Plastocyanin variant with N-terminal Methionine - open structure Deposited 2009-01-14 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Chain C 35–139（105 aa）
Not recorded CU COPPER (II) ION × 6 ZN ZINC ION × 14 X-RAY DIFFRACTION
X-ray crystallization conditions 0.1 M ZINC ACETATE, 0.4 M SODIUM ACETATE
Resolution 2.89 Å R-free 0.223
2W8C Plastocyanin variant with N-terminal Methionine - closed structure Deposited 2009-01-15 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 35–139（105 aa）
Not recorded CU COPPER (II) ION × 3 ZN ZINC ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions 5% PEG 8K, 0.1M ZINC ACETATE, 0.2 M SODIUM ACETATE
Resolution 1.80 Å R-free 0.224
2W8C Plastocyanin variant with N-terminal Methionine - closed structure Deposited 2009-01-15 Assembly 2 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 35–139（105 aa）
Not recorded CU COPPER (II) ION × 3 ZN ZINC ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions 5% PEG 8K, 0.1M ZINC ACETATE, 0.2 M SODIUM ACETATE
Resolution 1.80 Å R-free 0.224
2W8C Plastocyanin variant with N-terminal Methionine - closed structure Deposited 2009-01-15 Assembly 3 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 35–139（105 aa）
Chain B 35–139（105 aa）
Not recorded CU COPPER (II) ION × 6 ZN ZINC ION × 12 X-RAY DIFFRACTION
X-ray crystallization conditions 5% PEG 8K, 0.1M ZINC ACETATE, 0.2 M SODIUM ACETATE
Resolution 1.80 Å R-free 0.224
3BQV Crystal Structure of the double mutant D44A D45A Plastocyanin from Phormidium laminosum Deposited 2007-12-20 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa） Fragment：UNP residues 35-139
Mutation：D44A, D45A CU COPPER (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；30% PEG 8000, 0.1 M Sodium cacodylate, 0.2 M Sodium acetate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.50 Å R-free 0.245
3CVB Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa）
Not recorded CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.40 Å R-free 0.183
3CVB Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–139（105 aa）
Not recorded CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.40 Å R-free 0.183
3CVC Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa）
Not recorded CU COPPER (II) ION × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.72 Å R-free 0.192
3CVD Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa）
Not recorded CU1 COPPER (I) ION × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å R-free 0.184
3CVD Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–139（105 aa）
Not recorded CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å R-free 0.184
3CVD Regulation of Protein Function: Crystal Packing Interfaces and Conformational Dimerization Deposited 2008-04-18 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 35–139（105 aa）
Not recorded CU1 COPPER (I) ION × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.50 Å R-free 0.184
4R0O Crystal structure of PEGylated plastocyanin at 4.2 A resolution Deposited 2014-08-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–139（105 aa） Fragment：UNP residues 35-139
Not recorded CU COPPER (II) ION × 1 LCY 1-methylpyrrolidine-2,5-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；293.15 K；48 % AMMONIUM SULPHATE, 30 mM POTASSIUM FERRICYANIDE, 100 mM SODIUM ACETATE, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
Resolution 4.20 Å R-free 0.270
4R0O Crystal structure of PEGylated plastocyanin at 4.2 A resolution Deposited 2014-08-01 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–139（105 aa） Fragment：UNP residues 35-139
Not recorded CU COPPER (II) ION × 1 LCY 1-methylpyrrolidine-2,5-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；293.15 K；48 % AMMONIUM SULPHATE, 30 mM POTASSIUM FERRICYANIDE, 100 mM SODIUM ACETATE, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
Resolution 4.20 Å R-free 0.270
4R0O Crystal structure of PEGylated plastocyanin at 4.2 A resolution Deposited 2014-08-01 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 35–139（105 aa） Fragment：UNP residues 35-139
Not recorded CU COPPER (II) ION × 1 LCY 1-methylpyrrolidine-2,5-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；293.15 K；48 % AMMONIUM SULPHATE, 30 mM POTASSIUM FERRICYANIDE, 100 mM SODIUM ACETATE, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
Resolution 4.20 Å R-free 0.270
4R0O Crystal structure of PEGylated plastocyanin at 4.2 A resolution Deposited 2014-08-01 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 35–139（105 aa） Fragment：UNP residues 35-139
Not recorded CU COPPER (II) ION × 1 LCY 1-methylpyrrolidine-2,5-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.3；293.15 K；48 % AMMONIUM SULPHATE, 30 mM POTASSIUM FERRICYANIDE, 100 mM SODIUM ACETATE, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K
Resolution 4.20 Å R-free 0.270

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.