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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：E3VXC2 New Search
4PDB entries
4Biological assembly
42chain/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
7TDV Crystal structure of S. aureus glutamine synthetase in Met-Sox-P/ADP transition state complex Deposited 2022-01-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–446（446 aa）
Chain B 1–446（446 aa）
Chain C 1–446（446 aa）
Chain D 1–446（446 aa）
Chain E 1–446（446 aa）
Chain H 1–446（446 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 12 P3S L-METHIONINE-S-SULFOXIMINE PHOSPHATE × 12 MG MAGNESIUM ION × 42 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；273 K；28% Peg 400, 0.2 M calcium chloride, 0.1 M HEPES 7.5
Resolution 2.92 Å R-free 0.256
7TF6 S. aureus GS(12)-Q-GlnR peptide Deposited 2022-01-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain A 1–446（446 aa）
Chain B 1–446（446 aa）
Chain C 1–446（446 aa）
Chain F 1–446（446 aa）
Chain G 1–446（446 aa）
Chain H 1–446（446 aa）
Chain L 1–446（446 aa）
Chain N 1–446（446 aa）
Chain O 1–446（446 aa）
Chain R 1–446（446 aa）
Chain S 1–446（446 aa）
Chain T 1–446（446 aa）
Not recorded MG MAGNESIUM ION × 24 GLN GLUTAMINE × 12 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.15 Å
7TF7 S. aureus GS(12) - apo Deposited 2022-01-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–446（446 aa）
Chain B 1–446（446 aa）
Chain C 1–446（446 aa）
Chain D 1–446（446 aa）
Chain E 1–446（446 aa）
Chain F 1–446（446 aa）
Chain G 1–446（446 aa）
Chain H 1–446（446 aa）
Chain I 1–446（446 aa）
Chain J 1–446（446 aa）
Chain K 1–446（446 aa）
Chain L 1–446（446 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.13 Å
9Y4A His-tagged Glutamine Synthetase on a Ni-NTA lipid monolayer grid Deposited 2025-09-02 Assembly 1 Protein homooligomer Homooligomer；Protein × 12 PDB declaration: 12-meric（12） Consistent with protein count
Chain A 1–446（446 aa）
Chain B 1–446（446 aa）
Chain C 1–446（446 aa）
Chain D 1–446（446 aa）
Chain E 1–446（446 aa）
Chain F 1–446（446 aa）
Chain G 1–446（446 aa）
Chain H 1–446（446 aa）
Chain I 1–446（446 aa）
Chain J 1–446（446 aa）
Chain K 1–446（446 aa）
Chain L 1–446（446 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 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.