@misc{indiciaea7c7a41838e3,
  title = {Glutamine synthetase forms three- and seven-stranded helical cables.},
  author = {T G Frey and D Eisenberg and F A Eiserling},
  year = {1975},
  doi = {10.1073/pnas.72.9.3402},
  url = {https://pubmed.ncbi.nlm.nih.gov/242004/},
  note = {Source identifier: 242004}
}