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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：Q56232 New Search
9PDB entries
15Biological assembly
30chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
1B5O THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE SINGLE MUTANT 1 Deposited 1999-01-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：K101S Mutation：K101S PO4 PHOSPHATE ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；CRYSTALLIZED FROM 300MM AMMONIUM PHOSPHATE, PH 4.3
Resolution 2.20 Å R-free 0.237
1B5P THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE DOUBLE MUTANT 1 Deposited 1999-01-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：K101S,S261R Mutation：K101S,S261R PO4 PHOSPHATE ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；CRYSTALLIZED FROM 300MM AMMONIUM PHOSPHATE, PH 4.3
Resolution 1.80 Å R-free 0.239
1BJW ASPARTATE AMINOTRANSFERASE FROM THERMUS THERMOPHILUS Deposited 1998-06-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–382（382 aa）
Chain B 1–382（382 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；pH 4.3
Resolution 1.80 Å R-free 0.269
1BKG ASPARTATE AMINOTRANSFERASE FROM THERMUS THERMOPHILUS WITH MALEATE Deposited 1998-07-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Not recorded PMP 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE × 2 MAE MALEIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.60 Å R-free 0.238
1BKG ASPARTATE AMINOTRANSFERASE FROM THERMUS THERMOPHILUS WITH MALEATE Deposited 1998-07-07 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–385（385 aa）
Chain D 1–385（385 aa）
Not recorded PMP 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE × 2 MAE MALEIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.60 Å R-free 0.238
1GC3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH TRYPTOPHAN Deposited 2000-07-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R TRP TRYPTOPHAN × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.282
1GC3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH TRYPTOPHAN Deposited 2000-07-18 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–385（385 aa）
Chain D 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R TRP TRYPTOPHAN × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.282
1GC3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH TRYPTOPHAN Deposited 2000-07-18 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–385（385 aa）
Chain F 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R TRP TRYPTOPHAN × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.282
1GC3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH TRYPTOPHAN Deposited 2000-07-18 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–385（385 aa）
Chain H 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R TRP TRYPTOPHAN × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.282
1GC4 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH ASPARTATE Deposited 2000-07-19 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R ASP ASPARTIC ACID × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.277
1GC4 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 COMPLEXED WITH ASPARTATE Deposited 2000-07-19 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–385（385 aa）
Chain D 1–385（385 aa）
Mutation：S14D, T16V, K101S, S261R Mutation：S14D, T16V, K101S, S261R ASP ASPARTIC ACID × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 3.30 Å R-free 0.277
1GCK THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE DOUBLE MUTANT 1 COMPLEXED WITH ASPARTATE Deposited 2000-08-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：K101S, S261R Mutation：K101S, S261R ASP ASPARTIC ACID × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；PEG 6000, HEPES, sodium acetate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.50 Å R-free 0.284
5BJ3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 1 Deposited 1999-01-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：S14D,T16P,K101S,S261R Mutation：S14D,T16P,K101S,S261R PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；CRYSTALLIZED FROM 30MM AMMONIUM PHOSPHATE, PH 4.3
Resolution 2.20 Å R-free 0.243
5BJ3 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 1 Deposited 1999-01-11 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–385（385 aa）
Chain D 1–385（385 aa）
Mutation：S14D,T16P,K101S,S261R Mutation：S14D,T16P,K101S,S261R PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；CRYSTALLIZED FROM 30MM AMMONIUM PHOSPHATE, PH 4.3
Resolution 2.20 Å R-free 0.243
5BJ4 THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE TETRA MUTANT 2 Deposited 1999-01-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–385（385 aa）
Chain B 1–385（385 aa）
Mutation：S14D,T16V,K101S,S261R Mutation：S14D,T16V,K101S,S261R PO4 PHOSPHATE ION × 2 PLP PYRIDOXAL-5'-PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 4.3；CRYSTALLIZED FROM 300MM AMMONIUM PHOSPHATE, PH 4.3
Resolution 2.00 Å R-free 0.214

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.