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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：P00299 New Search
16PDB entries
17Biological assembly
17chain/assembly records
Main Difference Dimensions in This Set
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
1JXG The 1.6 A Resolution Crystal Structure of a Mutant Poplar Plastocyanin Bearing a 21-25 Engeneered Disulfide Bridge Deposited 2001-09-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Mutation：I21C, E25C CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；ammonium sulfate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.60 Å R-free 0.205
1JXG The 1.6 A Resolution Crystal Structure of a Mutant Poplar Plastocyanin Bearing a 21-25 Engeneered Disulfide Bridge Deposited 2001-09-07 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 70–168（99 aa）
Mutation：I21C, E25C CU1 COPPER (I) ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；ammonium sulfate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.60 Å R-free 0.205
1PLC ACCURACY AND PRECISION IN PROTEIN CRYSTAL STRUCTURE ANALYSIS: RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURE OF POPLAR PLASTOCYANIN AT 1.33 ANGSTROMS RESOLUTION Deposited 1992-03-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.33 Å
1PNC ACCURACY AND PRECISION IN PROTEIN CRYSTAL STRUCTURE ANALYSIS: TWO INDEPENDENT REFINEMENTS OF THE STRUCTURE OF POPLAR PLASTOCYANIN AT 173K Deposited 1993-09-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å
1PND ACCURACY AND PRECISION IN PROTEIN CRYSTAL STRUCTURE ANALYSIS: TWO INDEPENDENT REFINEMENTS OF THE STRUCTURE OF POPLAR PLASTOCYANIN AT 173K Deposited 1993-09-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 Å
1TKW The transient complex of poplar plastocyanin with turnip cytochrome f determined with paramagnetic NMR Deposited 2004-06-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 HEC HEME C × 1 SOLUTION NMR
NMR measurement conditions pH 6；303 K；Ionic strength (raw mmCIF value) 10 mM；Pressure 1
NMR measurement conditions pH 6；303 K；Ionic strength (raw mmCIF value) 11 mM；Pressure 1
NMR sample composition 0.5 mM Cd-substituted poplar plastocyanin + 0.35 mM soluble fragment of turnip cytochrome f in oxidized state in 10 mM sodium phosphate pH 6.0 | 94% H2O, 6% D2O
NMR sample composition 0.5 mM Cd-substituted poplar plastocyanin + 0.35 mM soluble fragment of turnip cytochrome f in reduced state in 10 mM sodium phosphate pH 6.0 + 1 mM sodium ascorbate | 94% H2O, 6% D2O
Resolution not provided
2PCY THE CRYSTAL STRUCTURE OF POPLAR APOPLASTOCYANIN AT 1.8-ANGSTROMS RESOLUTION. THE GEOMETRY OF THE COPPER-BINDING SITE IS CREATED BY THE POLYPEPTIDE Deposited 1983-11-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 Å
3PCY THE CRYSTAL STRUCTURE OF MERCURY-SUBSTITUTED POPLAR PLASTOCYANIN AT 1.9-ANGSTROMS RESOLUTION Deposited 1985-12-10 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded HG MERCURY (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 Å
4DP7 The 1.08 Angstrom crystal structure of oxidized (CuII) poplar plastocyanin A at pH 4.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU COPPER (II) ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.08 Å R-free 0.142
4DP8 The 1.07 Angstrom crystal structure of reduced (CuI) poplar plastocyanin A at pH 4.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU1 COPPER (I) ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.07 Å R-free 0.165
4DP9 The 1.00 Angstrom crystal structure of oxidized (CuII) poplar plastocyanin A at pH 6.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.00 Å R-free 0.144
4DPA The 1.05 Angstrom crystal structure of reduced (CuI) poplar plastocyanin A at pH 6.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.05 Å R-free 0.155
4DPB The 1.00 Angstrom crystal structure of oxidized (CuII) poplar plastocyanin A at pH 8.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.00 Å R-free 0.136
4DPC The 1.06 Angstrom crystal structure of reduced (CuI) poplar plastocyanin A at pH 8.0 Deposited 2012-02-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain X 70–168（99 aa） Fragment：UNP residues 70-168
Not recorded CU1 COPPER (I) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.06 Å R-free 0.155
4PCY CRYSTAL STRUCTURE ANALYSES OF REDUCED (CUI) POPLAR PLASTOCYANIN AT SIX PH VALUES Deposited 1986-09-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.15 Å
5PCY CRYSTAL STRUCTURE ANALYSES OF REDUCED (CUI) POPLAR PLASTOCYANIN AT SIX PH VALUES Deposited 1986-09-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 Å
6PCY CRYSTAL STRUCTURE ANALYSES OF REDUCED (CUI) POPLAR PLASTOCYANIN AT SIX PH VALUES Deposited 1986-09-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 70–168（99 aa）
Not recorded CU COPPER (II) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.90 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.