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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：P27038 New Search
3PDB entries
4Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1BTE CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN RECEPTOR Deposited 1998-09-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–121（97 aa） Fragment：LIGAND-BINDING DOMAIN
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.5；100 MM SODIUM ACETATE, PH 4.5, 5% PEG 8000, 0.5M NACL
Resolution 1.50 Å R-free 0.222
1BTE CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE TYPE II ACTIVIN RECEPTOR Deposited 1998-09-01 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 25–121（97 aa） Fragment：LIGAND-BINDING DOMAIN
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.5；100 MM SODIUM ACETATE, PH 4.5, 5% PEG 8000, 0.5M NACL
Resolution 1.50 Å R-free 0.222
1LX5 Crystal Structure of the BMP7/ActRII Extracellular Domain Complex Deposited 2002-06-04 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 20–121（102 aa） Fragment：Extracellular Ligand Binding Domain, C-terminal truncation
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；296 K；1M sodium acetate, 0.1M imidazole, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Resolution 3.30 Å R-free 0.279
2GOO Ternary Complex of BMP-2 bound to BMPR-Ia-ECD and ActRII-ECD Deposited 2006-04-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 20–121（102 aa） Fragment：Residues 20-121
Chain F 20–121（102 aa） Fragment：Residues 20-121
Not recorded NDG 2-acetamido-2-deoxy-alpha-D-glucopyranose × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；4M sodium formate, 100mM Hepes, 3% dioxane, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.20 Å R-free 0.259

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.