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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：P84781 New Search
2PDB entries
6Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
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
4AOQ Cationic trypsin in complex with mutated Spinacia oleracea trypsin inhibitor III (SOTI-III) (F14A) Deposited 2012-03-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–37（37 aa）
Mutation：YES CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DISOLVED IN 1 MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOLUMES OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III F14A (1.5MM) AND PRECIPITANT SOLUTION (0.1M BICINE PH 9, 20% (W/V) PEG 6000) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 2.00 Å R-free 0.220
4AOQ Cationic trypsin in complex with mutated Spinacia oleracea trypsin inhibitor III (SOTI-III) (F14A) Deposited 2012-03-29 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–37（37 aa）
Mutation：YES CA CALCIUM ION × 1 1PE PENTAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DISOLVED IN 1 MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOLUMES OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III F14A (1.5MM) AND PRECIPITANT SOLUTION (0.1M BICINE PH 9, 20% (W/V) PEG 6000) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 2.00 Å R-free 0.220
4AOQ Cationic trypsin in complex with mutated Spinacia oleracea trypsin inhibitor III (SOTI-III) (F14A) Deposited 2012-03-29 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–37（37 aa）
Mutation：YES CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DISOLVED IN 1 MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOLUMES OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III F14A (1.5MM) AND PRECIPITANT SOLUTION (0.1M BICINE PH 9, 20% (W/V) PEG 6000) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 2.00 Å R-free 0.220
4AOR Cationic trypsin in complex with the Spinacia oleracea trypsin inhibitor III (SOTI-III) Deposited 2012-03-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–37（37 aa）
Not recorded GOL GLYCEROL × 4 CL CHLORIDE ION × 2 IMD IMIDAZOLE × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DUSIKVED UB 1MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOL. OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III (2.5 MM) AND PRECIPITANT SOLUTION (0.1 M IMIDAZOLE PH 7.5, 12 % (W/V) PEG 8K) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 1.70 Å R-free 0.221
4AOR Cationic trypsin in complex with the Spinacia oleracea trypsin inhibitor III (SOTI-III) Deposited 2012-03-29 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–37（37 aa）
Not recorded GOL GLYCEROL × 1 IMD IMIDAZOLE × 4 CA CALCIUM ION × 2 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DUSIKVED UB 1MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOL. OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III (2.5 MM) AND PRECIPITANT SOLUTION (0.1 M IMIDAZOLE PH 7.5, 12 % (W/V) PEG 8K) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 1.70 Å R-free 0.221
4AOR Cationic trypsin in complex with the Spinacia oleracea trypsin inhibitor III (SOTI-III) Deposited 2012-03-29 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 1–37（37 aa）
Not recorded GOL GLYCEROL × 1 IMD IMIDAZOLE × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292 K；TRYPSIN (SIGMA T1426) WAS DUSIKVED UB 1MM HCL (PH 2.0), 10 MM CACL2, PURIFIED ON A SUPERDEX 75 16/60 COLUMN (BUFFER: 25 MM MES PH 5.5, 50 MM NACL AND 10 MM CACL2). CRYSTALS GREW FROM EQUAL VOL. OF TRYPSIN (11.5 MG/ML) INCUBATED WITH LYOPHILIZED SOTI-III (2.5 MM) AND PRECIPITANT SOLUTION (0.1 M IMIDAZOLE PH 7.5, 12 % (W/V) PEG 8K) IN HANGING DROP CRYSTALLIZATION PLATES AT 19C.
Resolution 1.70 Å R-free 0.221

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.