Download MendeleyCrystal structures of human CK2 alpha 2 in new crystal forms arising from a subtle difference in salt concentration
Tsuyuguchi, M., Nakaniwa, T., Kinoshita, T.(2018) Acta Crystallogr F Struct Biol Commun 74: 288-293
- PubMed: 29717996 Search on PubMedSearch on PubMed Central
- DOI: https://doi.org/10.1107/S2053230X18005204
- Primary Citation Related Structures:
5Y9M, 5YF9 - PubMed Abstract:
The catalytic subunits of protein kinase CK2 are classified into two subtypes: CK2α1 and CK2α2. CK2α1 is an attractive drug-discovery target for various diseases such as cancers and nephritis. CK2α2 is defined as an off-target of CK2α1 and is a potential target in the development of male contraceptive drugs. High-resolution crystal structures of both isozymes are likely to provide crucial clues for the design of selective inhibitors of CK2α1 and/or CK2α2. To date, several crystal structures of CK2α1 have been solved at high resolutions of beyond 1.5 Å. However, crystal structures of CK2α2 have barely achieved a low resolution of around 3 Å because of the formation of needle-shaped crystals. In this study, new crystal forms were exploited and one provided a crystal structure of CK2α2 at 1.89 Å resolution. This result, together with the structure of CK2α1, will assist in the development of highly selective inhibitors for both isozymes.
- Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka 599-8531, Japan.
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