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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：P73129 New Search
6PDB entries
13Biological assembly
44chain/assembly records
Main Difference Dimensions in This Set
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
8FM6 Dri1 hemoprotein variant H21A with a zinc-mirror heme site Deposited 2022-12-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Mutation：H21A Mutation：H21A HEB HEME B/C × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5；298 K；0.1 M sodium citrate, 0.1 M potassium phosphate, 34% PEG8000
Resolution 2.85 Å R-free 0.271
8GBK Dri1 hemoprotein variant H79A-R90A with a zinc-mirror heme site Deposited 2023-02-26 Assembly 1 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: dimeric（2） Review required
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Chain C 1–96（96 aa）
Chain D 1–96（96 aa）
Chain E 1–96（96 aa）
Chain F 1–96（96 aa）
Chain G 1–96（96 aa）
Chain H 1–96（96 aa）
Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A HEB HEME B/C × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.1 M sodium acetate, 0.2 M sodium chloride, 0.75-1.5 M ammonium sulfate
Resolution 2.90 Å R-free 0.326
8GBK Dri1 hemoprotein variant H79A-R90A with a zinc-mirror heme site Deposited 2023-02-26 Assembly 2 Protein homooligomer Homooligomer；Protein × 7 PDB declaration: dimeric（2） Review required
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Chain C 1–96（96 aa）
Chain D 1–96（96 aa）
Chain E 1–96（96 aa）
Chain F 1–96（96 aa）
Chain H 1–96（96 aa）
Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A HEB HEME B/C × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.1 M sodium acetate, 0.2 M sodium chloride, 0.75-1.5 M ammonium sulfate
Resolution 2.90 Å R-free 0.326
8GBK Dri1 hemoprotein variant H79A-R90A with a zinc-mirror heme site Deposited 2023-02-26 Assembly 3 Protein homooligomer Homooligomer；Protein × 7 PDB declaration: dimeric（2） Review required
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Chain C 1–96（96 aa）
Chain D 1–96（96 aa）
Chain E 1–96（96 aa）
Chain F 1–96（96 aa）
Chain H 1–96（96 aa）
Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A HEB HEME B/C × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.1 M sodium acetate, 0.2 M sodium chloride, 0.75-1.5 M ammonium sulfate
Resolution 2.90 Å R-free 0.326
8GBK Dri1 hemoprotein variant H79A-R90A with a zinc-mirror heme site Deposited 2023-02-26 Assembly 4 Protein homooligomer Homooligomer；Protein × 7 PDB declaration: dimeric（2） Review required
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Chain C 1–96（96 aa）
Chain D 1–96（96 aa）
Chain E 1–96（96 aa）
Chain F 1–96（96 aa）
Chain H 1–96（96 aa）
Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A Mutation：H79A,R90A HEB HEME B/C × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；0.1 M sodium acetate, 0.2 M sodium chloride, 0.75-1.5 M ammonium sulfate
Resolution 2.90 Å R-free 0.326
8GDW Crystal structure of Domain Related to Iron (DRI) from cyanobacteria Deposited 2023-03-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain AAA 1–96（96 aa）
Chain BBB 1–96（96 aa）
Chain CCC 1–96（96 aa）
Chain DDD 1–96（96 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；25% PEG3350, 100 mM Bis-Tris, pH 5.5
Resolution 2.35 Å R-free 0.247
8GF4 Crystal structure of Domain Related to Iron (DRI) in complex with heme Deposited 2023-03-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–96（96 aa）
Chain B 1–96（96 aa）
Not recorded ZN ZINC ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；23% PEG3350, 100 mM Bis-Tris, pH 5.5
Resolution 3.00 Å R-free 0.279
8GF4 Crystal structure of Domain Related to Iron (DRI) in complex with heme Deposited 2023-03-07 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–96（96 aa）
Chain D 1–96（96 aa）
Not recorded ZN ZINC ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；23% PEG3350, 100 mM Bis-Tris, pH 5.5
Resolution 3.00 Å R-free 0.279
8ZXQ Crystal structure of Ssr1698 in complex with heme b Deposited 2024-06-14 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–96（96 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；HEPES, Sodium citrate tribasic dihydrate
Resolution 1.51 Å R-free 0.210
8ZXR Crystal structure of Ssr1698 in complex with heme c Deposited 2024-06-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–96（96 aa）
Not recorded NI NICKEL (II) ION × 1 CL CHLORIDE ION × 2 HEC HEME C × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；Sodium acetate, Sodium formate, Glycerol
Resolution 1.60 Å R-free 0.218
8ZXR Crystal structure of Ssr1698 in complex with heme c Deposited 2024-06-14 Assembly 2 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–96（96 aa）
Not recorded NI NICKEL (II) ION × 6 CL CHLORIDE ION × 12 HEC HEME C × 6 GOL GLYCEROL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；Sodium acetate, Sodium formate, Glycerol
Resolution 1.60 Å R-free 0.218
8ZXR Crystal structure of Ssr1698 in complex with heme c Deposited 2024-06-14 Assembly 3 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–96（96 aa）
Not recorded NI NICKEL (II) ION × 3 CL CHLORIDE ION × 6 HEC HEME C × 3 GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；Sodium acetate, Sodium formate, Glycerol
Resolution 1.60 Å R-free 0.218
8ZXR Crystal structure of Ssr1698 in complex with heme c Deposited 2024-06-14 Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–96（96 aa）
Not recorded NI NICKEL (II) ION × 2 CL CHLORIDE ION × 4 HEC HEME C × 2 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；Sodium acetate, Sodium formate, Glycerol
Resolution 1.60 Å R-free 0.218

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.