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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：Q7BUF9 New Search
3PDB entries
4Biological assembly
5chain/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
3FLA RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 1 Deposited 2008-12-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–259（259 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；100 mM HEPES pH 7.0, 12% PEG 8000, 50 mM CaCl2, 2 mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.80 Å R-free 0.202
3FLA RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 1 Deposited 2008-12-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–259（259 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；100 mM HEPES pH 7.0, 12% PEG 8000, 50 mM CaCl2, 2 mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.80 Å R-free 0.202
3FLB RifR - Type II thioesterase from Rifamycin NRPS/PKS biosynthetic pathway - Form 2 Deposited 2008-12-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–259（259 aa）
Mutation：S94A CL CHLORIDE ION × 1 PG4 TETRAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；100 mM HEPES pH 7.0, 12% PEG 8000, 50 mM CaCl2, 2 mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.80 Å R-free 0.239
9PC6 Antibody (1B2) Bound Crosslinked Rifamycin Synthetase Module 1 with a C-terminal Type II Thioesterase Deposited 2025-06-27 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 2–259（258 aa）
Chain B 2–259（258 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2；100 mM citric acid, 10 mM HEPES, pH 7.2 (NaOH)
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.96 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.