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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：P98073 New Search
14PDB entries
20Biological assembly
31chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
4DGJ Structure of a human enteropeptidase light chain variant Deposited 2012-01-26 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 785–1019（235 aa）
Mutation：N6D, G21D, G22D, C112S, N142D, K210E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；292 K；0.1 M HEPES, 16% PEG 10000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 1.90 Å R-free 0.210
4DGJ Structure of a human enteropeptidase light chain variant Deposited 2012-01-26 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 785–1019（235 aa）
Mutation：N6D, G21D, G22D, C112S, N142D, K210E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；292 K；0.1 M HEPES, 16% PEG 10000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 1.90 Å R-free 0.210
4DGJ Structure of a human enteropeptidase light chain variant Deposited 2012-01-26 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 785–1019（235 aa）
Mutation：N6D, G21D, G22D, C112S, N142D, K210E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；292 K；0.1 M HEPES, 16% PEG 10000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 1.90 Å R-free 0.210
4DGJ Structure of a human enteropeptidase light chain variant Deposited 2012-01-26 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 785–1019（235 aa）
Mutation：N6D, G21D, G22D, C112S, N142D, K210E No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；292 K；0.1 M HEPES, 16% PEG 10000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 1.90 Å R-free 0.210
6ZOV ENTEROPEPTIDASE IN COMPLEX WITH COMPOUND 6 Deposited 2020-07-07 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 785–1019（235 aa） Fragment：CATALYTIC DOMAIN
Not recorded GBS 4-carbamimidamidobenzoic acid × 1 PGE TRIETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.25；293 K；PEG20000
Resolution 2.19 Å R-free 0.250
6ZOV ENTEROPEPTIDASE IN COMPLEX WITH COMPOUND 6 Deposited 2020-07-07 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 785–1019（235 aa） Fragment：CATALYTIC DOMAIN
Not recorded GBS 4-carbamimidamidobenzoic acid × 1 EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.25；293 K；PEG20000
Resolution 2.19 Å R-free 0.250
6ZOV ENTEROPEPTIDASE IN COMPLEX WITH COMPOUND 6 Deposited 2020-07-07 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 785–1019（235 aa） Fragment：CATALYTIC DOMAIN
Not recorded GBS 4-carbamimidamidobenzoic acid × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.25；293 K；PEG20000
Resolution 2.19 Å R-free 0.250
6ZOV ENTEROPEPTIDASE IN COMPLEX WITH COMPOUND 6 Deposited 2020-07-07 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 785–1019（235 aa） Fragment：CATALYTIC DOMAIN
Not recorded GBS 4-carbamimidamidobenzoic acid × 1 EDO 1,2-ETHANEDIOL × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.25；293 K；PEG20000
Resolution 2.19 Å R-free 0.250
7WQW Structure of Active-EP Deposited 2022-01-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 524–784（261 aa）
Chain B 785–1019（235 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7WQX Structure of Inactive-EP Deposited 2022-01-26 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 519–1019（501 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7WQZ Structure of Active-mutEP Deposited 2022-01-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 524–784（261 aa）
Chain B 785–1019（235 aa）
Mutation：H825A, D876A, S971A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
7WR7 Structure of Inhibited-EP Deposited 2022-01-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 524–784（261 aa）
Chain B 785–1019（235 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 GBS 4-carbamimidamidobenzoic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
8H3S Substrate-bound EP, polyA model Deposited 2022-10-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 183–784（602 aa）
Chain B 785–1019（235 aa）
Mutation：H825A, D876A, S971A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
8H3U Inhibitor-bound EP, polyA model Deposited 2022-10-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 183–784（602 aa）
Chain B 785–1019（235 aa）
Mutation：H825A,D876A,S971A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.70 Å
8ZI4 Cryo-EM structure of wtEP-trypsinogen Deposited 2024-05-13 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 182–784（603 aa）
Chain D 785–1019（235 aa）
Mutation：H825A/D876A/S971A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.95 Å
8ZIV wtEP-trypsinogen in Tryp-1 Deposited 2024-05-14 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 182–784（603 aa）
Chain D 785–1019（235 aa）
Mutation：H825A/D876A/S971A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.95 Å
8ZIW enteropeptidase with E574A Deposited 2024-05-14 Assembly 1 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 501–784（284 aa）
Chain D 785–1019（235 aa）
Mutation：E574A Mutation：H825A/D876A/S971A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.92 Å
8ZIY trypsinogen-EP-E574A Deposited 2024-05-14 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 182–784（603 aa）
Chain D 785–1019（235 aa）
Mutation：E574A Mutation：H825A/D876A/S971A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.64 Å
8ZIZ enteropeptidase with N619A Deposited 2024-05-14 Assembly 1 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 509–784（276 aa）
Chain D 785–1019（235 aa）
Mutation：N619A Mutation：H825A/D876A/S971A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.89 Å
8ZJ4 trypsinogen-EP-N619A Deposited 2024-05-14 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 182–784（603 aa）
Chain D 785–1019（235 aa）
Mutation：N619A Mutation：H825A/D876A/S971A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.67 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.