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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：Q9X0I0 New Search
2PDB entries
2Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1C3C T. MARITIMA ADENYLOSUCCINATE LYASE Deposited 1999-07-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain not uniquely mapped Reference range not declared
Chain A 2–430（429 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.5；100 MM NAACETATE, 0.5% PEG 4000, 6% GLYCEROL, pH 4.50
Resolution 1.80 Å R-free 0.207
1C3U T. MARITIMA ADENYLOSUCCINATE LYASE Deposited 1999-07-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–431（431 aa）
Chain B 1–431（431 aa）
Not recorded SO4 SULFATE ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；291 K；100 mM Bicine, 5 mM AMP, 1.8 M Ammonium Sulfate, pH 9.00, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.30 Å R-free 0.230

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.