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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：Q5M4D0 New Search
4PDB entries
4Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
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
10LG Crystal structure of Streptococcus thermophilus SHP pheromone receptor Rgg3 in complex with Rgg3bp13 Deposited 2026-01-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–284（284 aa）
Not recorded SO4 SULFATE ION × 5 GOL GLYCEROL × 1 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；293 K；100 mM sodium citrate pH 5.2, 300 mM Na/K tartrate, and 1.4 M ammonium sulfate
Resolution 1.87 Å R-free 0.218
6W1E Crystal structure of Streptococcus thermophilus SHP pheromone receptor Rgg3 Deposited 2020-03-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–284（284 aa）
Not recorded SO4 SULFATE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.2；298 K；100 mM sodium citrate, 300 mM Na/K tartrate, and 1.4 M ammonium sulfate
Resolution 2.20 Å R-free 0.309
6W1F Crystal structure of Streptococcus thermophilus SHP pheromone receptor Rgg3 bound to DNA Deposited 2020-03-04 Assembly 1 Protein–DNA Homooligomer；Protein × 2 PDB declaration: tetrameric（4） Consistent with all polymers
Chain A 1–284（284 aa）
Chain B 1–284（284 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；298 K；170 mM ammonium acetate, 85 mM sodium citrate, 22% PEG 4,000, and 15% glycerol
Resolution 3.20 Å R-free 0.266
7JI0 CryoEM structure of Streptococcus thermophilus SHP pheromone receptor Rgg3 in complex with SHP3 Deposited 2020-07-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–284（284 aa）
Chain B 1–284（284 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；2.5 microliters Rgg3St-SHP3 was applied to glow-discharged UltraAuFoil (1.2/1.3) 300-mesh grids (Quantifoil), blotted with filter paper for 3-3.5 s, and flash-frozen by plunging in liquid ethane cooled with liquid nitrogen. Grids were stored in liquid nitrogen.
Resolution 2.95 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.