3be9 Summary

pdbe.org/3be9
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Structure-based design and synthesis of novel macrocyclic pyrazolo[1,5-a] [1,3,5]triazine compounds as potent inhibitors of protein kinase CK2 and their anticancer activities

The structure was published by Nie, Z., Perretta, C., Erickson, P., et al., Averill, A., Almassy, R., and Chu, S., in 2008 in a paper entitled "Structure-based design and synthesis of novel macrocyclic pyrazolo[1,5-a] [1,3,5]triazine compounds as potent inhibitors of protein kinase CK2 and their anticancer activities." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.0 Å and deposited in 2007.

The experimental data on which the structure is based was not deposited.

The PDB entry contains the structure of Casein kinase II subunit alpha. This molecule has the UniProt identifier P28523 (CSK2A_MAIZE)search. The sample contained 352 residues which is 100% of the natural sequence. Out of 352 residues 328 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Casein kinase II subunit alpha P28523 (1-332) (CSK2A_MAIZE)search Zea mayssearch 98% 352 93%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P28523 (1 - 332) Casein kinase II subunit alpha Zea mays

Chain Structural classification (CATH) Sequence family (Pfam)
A (P28523) Transferase(Phosphotransferase) domain 1search, Phosphorylase Kinase; domain 1search PF00069: Protein kinase domainsearch

Chain ID Biological process (GO) Molecular function (GO)
A (P28523) protein phosphorylationsearch phosphorylationsearch ATP bindingsearch protein kinase activitysearch transferase activity, transferring phosphorus-containing groupssearch protein serine/threonine kinase activitysearch transferase activitysearch nucleotide bindingsearch kinase activitysearch

Chain InterPro annotation
A Protein kinase domainsearch Serine/threonine/dual specificity protein kinase, catalytic domainsearch Serine/threonine-protein kinase, active sitesearch Protein kinase-like domainsearch Protein kinase, ATP binding sitesearch