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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：P27213 New Search
3PDB entries
6Biological assembly
10chain/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
1B66 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1999-01-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 5–144（140 aa）
Chain B 5–144（140 aa）
Not recorded ZN ZINC ION × 6 BIO BIOPTERIN × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.2；pH 9.2
Resolution 1.90 Å R-free 0.258
1B66 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1999-01-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 5–144（140 aa）
Not recorded ZN ZINC ION × 3 BIO BIOPTERIN × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.2；pH 9.2
Resolution 1.90 Å R-free 0.258
1B66 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1999-01-20 Assembly 3 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain B 5–144（140 aa）
Not recorded ZN ZINC ION × 3 BIO BIOPTERIN × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.2；pH 9.2
Resolution 1.90 Å R-free 0.258
1B6Z 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1999-01-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 5–144（140 aa） Fragment：PTERIN BINDING DOMAIN
Chain B 5–144（140 aa） Fragment：PTERIN BINDING DOMAIN
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.2；1.6 M AMMONIUM SULFATE 0.1 M TRIS/HCL, PH 9.2
Resolution 2.00 Å R-free 0.256
1B6Z 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1999-01-18 Assembly 2 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 5–144（140 aa） Fragment：PTERIN BINDING DOMAIN
Chain B 5–144（140 aa） Fragment：PTERIN BINDING DOMAIN
Not recorded ZN ZINC ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9.2；1.6 M AMMONIUM SULFATE 0.1 M TRIS/HCL, PH 9.2
Resolution 2.00 Å R-free 0.256
1GTQ 6-PYRUVOYL TETRAHYDROPTERIN SYNTHASE Deposited 1995-09-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 5–144（140 aa）
Chain B 5–144（140 aa）
Not recorded ZN ZINC ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions pH 9；pH 9.0
Resolution 2.30 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.