attributes.tag: source_name
attributes.value: Escherichia coli DY330 topA-SPA
attributes.tag: strain
attributes.value: DY330 topA-SPA
attributes.tag: growth phase
attributes.value: Exponential phase
attributes.tag: optical density at 600 nm
attributes.value: 0.6
attributes.tag: treatment
attributes.value: no treatment
attributes.tag: immunoprecipitation reagent
attributes.value: ANTI-FLAG M2 affinity gel (Sigma-Aldrich)