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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：A9DF82 New Search
8PDB entries
9Biological assembly
30chain/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
7TT9 Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S Y34F variant Deposited 2022-02-01 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：C51S, C71S, Y34F Mutation：C51S, C71S, Y34F Mutation：C51S, C71S, Y34F Mutation：C51S, C71S, Y34F HEM PROTOPORPHYRIN IX CONTAINING FE × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.1 M Bis-Tris, pH 6.5, 28% w/v PEG2000 MME
Resolution 2.00 Å R-free 0.203
8TLS Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S Y108A variant Deposited 2023-07-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–117（116 aa）
Mutation：C51S, C71S, Y108A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 CYN CYANIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.1；293 K；27% PEG MME 2000, 100 mM Bis-Tris pH 5.1, 10 mM KCN, Excluded from light
Resolution 1.70 Å R-free 0.214
8TLS Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S Y108A variant Deposited 2023-07-27 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 2–117（116 aa）
Mutation：C51S, C71S, Y108A HEM PROTOPORPHYRIN IX CONTAINING FE × 1 CYN CYANIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.1；293 K；27% PEG MME 2000, 100 mM Bis-Tris pH 5.1, 10 mM KCN, Excluded from light
Resolution 1.70 Å R-free 0.214
8UGZ Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S variant Deposited 2023-10-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CYN CYANIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；23% PEG MME 2000, 100mM Bis-Tris pH 5.5, 10mM KCN, Excluded from light
Resolution 1.80 Å R-free 0.210
8UZU Crystal structure of Shewanella benthica Group 1 truncated hemoglobin L80A C51S C71S variant Deposited 2023-11-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：C51S, C71S, L80A Mutation：C51S, C71S, L80A Mutation：C51S, C71S, L80A Mutation：C51S, C71S, L80A HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CYN CYANIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.1；293 K；23% PEG MME 2000, 100 mM Bis-Tris pH 5.1, 10 mM KCN
Resolution 1.90 Å R-free 0.224
8VIJ Crystal structure of Shewanella benthica Group 1 truncated hemoglobin Y34F C51S C71S variant (cyanomet) Deposited 2024-01-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：Y34F, C51S, C71S Mutation：Y34F, C51S, C71S Mutation：Y34F, C51S, C71S Mutation：Y34F, C51S, C71S HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CYN CYANIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；23% PEG MME 2000, 100 mM Bis-Tris pH 6.5, 10 mM KCN
Resolution 1.35 Å R-free 0.201
8VSH Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S variant with trans heme D Deposited 2024-01-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S A1ADT {3-[(2R,5'R)-9',14'-diethenyl-5'-hydroxy-5',10',15',19'-tetramethyl-5-oxo-4,5-dihydro-3H-spiro[furan-2,4'-[21,22,23,24]tetraazapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa[1,3(24),6,8,10,12,14,16(22),17,19]decaen]-20'-yl-kappa~4~N~21'~,N~22'~,N~23'~,N~24'~]propanoato}iron × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Bis-Tris pH 5.5, 25% PEG MME 2000, 10 mM KCN, 18 days in the dark, 43 days exposed to laboratory ambient light
Resolution 2.00 Å R-free 0.226
8W3A Crystal structure of Shewanella benthica Group 1 truncated hemoglobin C51S C71S variant with trans heme D Deposited 2024-02-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S Mutation：C51S, C71S HEM PROTOPORPHYRIN IX CONTAINING FE × 4 A1ADT {3-[(2R,5'R)-9',14'-diethenyl-5'-hydroxy-5',10',15',19'-tetramethyl-5-oxo-4,5-dihydro-3H-spiro[furan-2,4'-[21,22,23,24]tetraazapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa[1,3(24),6,8,10,12,14,16(22),17,19]decaen]-20'-yl-kappa~4~N~21'~,N~22'~,N~23'~,N~24'~]propanoato}iron × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；0.1 M Bis-Tris pH 5.5, 25% PEG MME 2000, 10 mM KCN, 18 days in the dark, 43 days exposed to laboratory ambient light
Resolution 1.80 Å R-free 0.236
9YG7 Crystal structure of Shewanella benthica group 1 truncated hemoglobin H24I/C51S/ C71S variant Deposited 2025-09-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–117（116 aa）
Chain B 2–117（116 aa）
Chain C 2–117（116 aa）
Chain D 2–117（116 aa）
Mutation：H24I, C51S, C71S Mutation：H24I, C51S, C71S Mutation：H24I, C51S, C71S Mutation：H24I, C51S, C71S HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CYN CYANIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；1 mM Protein 10 mM KCN 0.1 M Bis-Tris pH 6.5 27% PEG MME 2000
Resolution 1.60 Å R-free 0.201

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.