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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：O95633 New Search
3PDB entries
4Biological assembly
6chain/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
2KCX Solution NMR Structure of Kazal-1 Domain of Human Follistatin-related protein 3 (FSTL-3). Northeast Structural Genomics Target HR6186A. Deposited 2008-12-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 97–169（73 aa） Fragment：Kazal-1 domain, residues 97-169
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 0.2；Pressure ambient
NMR sample composition 0.6 mM [U-100% 13C; U-100% 15N] FSTL-3-1, 20 mM MES-2, 200 mM sodium chloride-3, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.2 mM [U-100% 15N] FSTL-3-4, 20 mM MES-5, 200 mM sodium chloride-6, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
3B4V X-Ray structure of Activin in complex with FSTL3 Deposited 2007-10-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 27–263（237 aa）
Chain D 27–263（237 aa）
Not recorded EDO 1,2-ETHANEDIOL × 2 SO4 SULFATE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；PEG 3350, ammonium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.48 Å R-free 0.279
3B4V X-Ray structure of Activin in complex with FSTL3 Deposited 2007-10-24 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain G 27–263（237 aa）
Chain H 27–263（237 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；298 K；PEG 3350, ammonium sulfate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.48 Å R-free 0.279
3SEK Crystal Structure of the Myostatin:Follistatin-like 3 Complex Deposited 2011-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 36–244（209 aa） Fragment：UNP Residues 36-244
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 X-RAY DIFFRACTION
X-ray crystallization conditions hanging drop；pH 7.5；293 K；potassium thiocyanate, PEG 3350, pH 7.5, hanging drop, temperature 293K
Resolution 2.40 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.