Abstract:Calcium ions play an important regulatory role in eukaryotes. However, the regulatory roles of Ca 2+ in prokaryotes are poorly understood. CalD, an 18 kDa calcium-binding protein from the model actinomycete Streptomyces coelicolor A3(2), was purified and crystallized for structure determination by X-ray crystallography. Crystals of CalD that were suitable for X-ray diffraction were obtained using the hanging-drop vapour-diffusion method and diffraction data were collected in-house to 1.56 Å resolution. The cry… Show more
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