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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：P61991 New Search
4PDB entries
4Biological assembly
4chain/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
1B4O NMR STUDY OF SSO7D MUTANT (F31A) MINIMIZED AVERAGE STRUCTURE Deposited 1998-12-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–62（62 aa）
Mutation：F31A No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.5；300 K
NMR sample composition H2O
Resolution not provided
1SSO SOLUTION STRUCTURE AND DNA-BINDING PROPERTIES OF A THERMOSTABLE PROTEIN FROM THE ARCHAEON SULFOLOBUS SOLFATARICUS Deposited 1995-03-31 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–62（62 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
2CVR NMR solution structure of sso7d mutant, K12L, 12 conformers Deposited 2005-06-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–62（62 aa）
Mutation：K12L No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4.5；300 K；Pressure AMBIENT
NMR sample composition 2mM K12L; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 2mM K12L; 100% D2O | 100% D2O
Resolution not provided
6QBA Crystal Structure of Retinol-Binding Protein 4 (RBP4) in complex with non-retinoid ligand A1120 and engineered binding scaffold Deposited 2018-12-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 2–62（61 aa）
Not recorded 2T1 2-[({4-[2-(trifluoromethyl)phenyl]piperidin-1-yl}carbonyl)amino]benzoic acid × 1 IMD IMIDAZOLE × 5 PEG DI(HYDROXYETHYL)ETHER × 1 ZN ZINC ION × 3 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295.15 K；0.2 M Zn acetate 0.1 M imidazole pH 8 20% PEG 3K
Resolution 1.80 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.