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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：P23904 New Search
9PDB entries
16Biological assembly
20chain/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
1AJK CIRCULARLY PERMUTED (1-3,1-4)-BETA-D-GLUCAN 4-GLUCANOHYDROLASE CPA16M-84 Deposited 1997-05-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 107–237（131 aa）
Not recorded CA CALCIUM ION × 1 PO4 PHOSPHATE ION × 1 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；SITTING DROP METHOD: A SOLUTION OF 12 MG OF PROTEIN PER ML IN 10 MM HEPES, PH 7.0, 2 MM CA-CHLORIDE, MIXED WITH AN EQUAL VOLUME OF 50 MM K-PHOSPHATE, PH 7.0 AND 20% (BY WEIGHT) PEG 8000, vapor diffusion - sitting drop
Resolution 1.80 Å R-free 0.219
1AJK CIRCULARLY PERMUTED (1-3,1-4)-BETA-D-GLUCAN 4-GLUCANOHYDROLASE CPA16M-84 Deposited 1997-05-06 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 107–237（131 aa）
Not recorded CA CALCIUM ION × 1 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；SITTING DROP METHOD: A SOLUTION OF 12 MG OF PROTEIN PER ML IN 10 MM HEPES, PH 7.0, 2 MM CA-CHLORIDE, MIXED WITH AN EQUAL VOLUME OF 50 MM K-PHOSPHATE, PH 7.0 AND 20% (BY WEIGHT) PEG 8000, vapor diffusion - sitting drop
Resolution 1.80 Å R-free 0.219
1AJO CIRCULARLY PERMUTED (1-3,1-4)-BETA-D-GLUCAN 4-GLUCANOHYDROLASE CPA16M-127 Deposited 1997-05-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–149（149 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；HANGING DROP METHOD: A SOLUTION OF 18 MG OF PROTEIN PER ML IN 20 MM TRIS/HCL, PH 9.0, 2 MM CA-CHLORIDE, MIXED WITH AN EQUAL VOLUME OF 0.1 M IMIDAZOLE, PH7.5,2 MM CA-CHLORIDE, 10% (BY WEIGHT) PEG 8000 AND 8% (BY VOL.) ETHYLENE GLYCOL., vapor diffusion - hanging drop
Resolution 2.07 Å R-free 0.235
1AJO CIRCULARLY PERMUTED (1-3,1-4)-BETA-D-GLUCAN 4-GLUCANOHYDROLASE CPA16M-127 Deposited 1997-05-07 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–149（149 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9；HANGING DROP METHOD: A SOLUTION OF 18 MG OF PROTEIN PER ML IN 20 MM TRIS/HCL, PH 9.0, 2 MM CA-CHLORIDE, MIXED WITH AN EQUAL VOLUME OF 0.1 M IMIDAZOLE, PH7.5,2 MM CA-CHLORIDE, 10% (BY WEIGHT) PEG 8000 AND 8% (BY VOL.) ETHYLENE GLYCOL., vapor diffusion - hanging drop
Resolution 2.07 Å R-free 0.235
1AXK ENGINEERED BACILLUS BIFUNCTIONAL ENZYME GLUXYN-1 Deposited 1997-10-16 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 82–237（156 aa） Fragment：FUSION OF 1,3-1,4-BETA-GLUCANASE DOMAIN AND 1,4-BETA-XYLANASE DOMAIN
Chain B 82–237（156 aa） Fragment：FUSION OF 1,3-1,4-BETA-GLUCANASE DOMAIN AND 1,4-BETA-XYLANASE DOMAIN
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；pH 8.5
Resolution 2.10 Å R-free 0.224
1CPM NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS Deposited 1994-03-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 82–237（156 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
1CPN NATIVE-LIKE IN VIVO FOLDING OF A CIRCULARLY PERMUTED JELLYROLL PROTEIN SHOWN BY CRYSTAL STRUCTURE ANALYSIS Deposited 1994-03-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 82–237（156 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 Å
1GLH CATION BINDING TO A BACILLUS (1,3-1,4)-BETA-GLUCANASE. GEOMETRY, AFFINITY AND EFFECT ON PROTEIN STABILITY Deposited 1994-11-25 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–239（214 aa）
Not recorded NA SODIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.225
1MAC CRYSTAL STRUCTURE AND SITE-DIRECTED MUTAGENESIS OF BACILLUS MACERANS ENDO-1,3-1,4-BETA-GLUCANASE Deposited 1994-12-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–239（212 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1MAC CRYSTAL STRUCTURE AND SITE-DIRECTED MUTAGENESIS OF BACILLUS MACERANS ENDO-1,3-1,4-BETA-GLUCANASE Deposited 1994-12-22 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 28–239（212 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1U0A Crystal structure of the engineered beta-1,3-1,4-endoglucanase H(A16-M) in complex with beta-glucan tetrasaccharide Deposited 2004-07-13 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 40–237（198 aa）
Mutation：E105Q, E109Q CA CALCIUM ION × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；25% (v/v) PEG Monomethyl Ether 550, 0.01 M Zinc Sulfate heptahydrate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50
Resolution 1.64 Å R-free 0.197
1U0A Crystal structure of the engineered beta-1,3-1,4-endoglucanase H(A16-M) in complex with beta-glucan tetrasaccharide Deposited 2004-07-13 Assembly 2 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 40–237（198 aa）
Mutation：E105Q, E109Q CA CALCIUM ION × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；25% (v/v) PEG Monomethyl Ether 550, 0.01 M Zinc Sulfate heptahydrate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50
Resolution 1.64 Å R-free 0.197
1U0A Crystal structure of the engineered beta-1,3-1,4-endoglucanase H(A16-M) in complex with beta-glucan tetrasaccharide Deposited 2004-07-13 Assembly 3 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 40–237（198 aa）
Mutation：E105Q, E109Q CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；25% (v/v) PEG Monomethyl Ether 550, 0.01 M Zinc Sulfate heptahydrate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50
Resolution 1.64 Å R-free 0.197
1U0A Crystal structure of the engineered beta-1,3-1,4-endoglucanase H(A16-M) in complex with beta-glucan tetrasaccharide Deposited 2004-07-13 Assembly 4 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 40–237（198 aa）
Mutation：E105Q, E109Q CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；25% (v/v) PEG Monomethyl Ether 550, 0.01 M Zinc Sulfate heptahydrate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50
Resolution 1.64 Å R-free 0.197
1U0A Crystal structure of the engineered beta-1,3-1,4-endoglucanase H(A16-M) in complex with beta-glucan tetrasaccharide Deposited 2004-07-13 Assembly 5 Other combination Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 40–237（198 aa）
Chain B 40–237（198 aa）
Chain C 40–237（198 aa）
Chain D 40–237（198 aa）
Mutation：E105Q, E109Q Mutation：E105Q, E109Q Mutation：E105Q, E109Q Mutation：E105Q, E109Q CA CALCIUM ION × 4 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；293 K；25% (v/v) PEG Monomethyl Ether 550, 0.01 M Zinc Sulfate heptahydrate, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.50
Resolution 1.64 Å R-free 0.197
2AYH CRYSTAL AND MOLECULAR STRUCTURE AT 1.6 ANGSTROMS RESOLUTION OF THE HYBRID BACILLUS ENDO-1,3-1,4-BETA-D-GLUCAN 4-GLUCANOHYDROLASE H(A16-M) Deposited 1995-02-02 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 26–239（214 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.60 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.