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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：P35031 New Search
9PDB entries
9Biological assembly
9chain/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
1BZX THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN COMPLEX WITH BOVINE PANCREATIC TRYPSIN INHIBITOR Deposited 1998-11-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 21–242（222 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；0.1 M HEPES PH 7.5, 0.8-1.2 M POTASSIUM SODIUM TARTRATE
Resolution 2.10 Å R-free 0.238
1HJ8 1.00 AA Trypsin from Atlantic Salmon Deposited 2001-01-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–242（222 aa） Fragment：RESIDUES 21-242
Not recorded BEN BENZAMIDINE × 2 SO4 SULFATE ION × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.8；pH 5.80
Resolution 1.00 Å R-free 0.149
1UTJ Trypsin specificity as elucidated by LIE calculations, X-ray structures and association constant measurements Deposited 2003-12-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–242（242 aa）
Not recorded ABN BENZYLAMINE × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.00
Resolution 1.83 Å R-free 0.207
1UTK Trypsin specificity as elucidated by LIE calculations, X-ray structures and association constant measurements Deposited 2003-12-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–242（242 aa）
Not recorded SO4 SULFATE ION × 2 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.00
Resolution 1.53 Å R-free 0.229
1UTL Trypsin specificity as elucidated by LIE calculations, X-ray structures and association constant measurements Deposited 2003-12-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain M 1–242（242 aa）
Not recorded PRA 3-PHENYLPROPYLAMINE × 1 CA CALCIUM ION × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.00
Resolution 1.70 Å R-free 0.216
1UTM Trypsin specificity as elucidated by LIE calculations, X-ray structures and association constant measurements Deposited 2003-12-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–242（242 aa）
Not recorded PEA 2-PHENYLETHYLAMINE × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.00
Resolution 1.50 Å R-free 0.217
2STA ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR (CUCURBITA MAXIMA TRYPSIN INHIBITOR I) Deposited 1998-12-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 21–242（222 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 1.80 Å R-free 0.233
2STB ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR (CUCURBITA PEPO TRYPSIN INHIBITOR II) Deposited 1998-12-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 21–242（222 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 1.80 Å R-free 0.201
2TBS COLD-ADAPTION OF ENZYMES: STRUCTURAL COMPARISON BETWEEN SALMON AND BOVINE TRYPSINS Deposited 1994-01-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 21–242（222 aa）
Not recorded CA CALCIUM ION × 1 BEN BENZAMIDINE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 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.