ISDA: 8BGC

Deposition Date 2022-10-27

Release Date 2022-11-23

Last Version Date 2024-01-31

Entry Detail

PDB ID:

8BGC

Keywords:

TRANSFERASE

Title:

Crystal structure of human Casein Kinase II subunit alpha (CK2a1) in complex with compound 2 (AA-CS-9-003)

Biological Source:

Source Organism(s):

Homo sapiens (Taxon ID: 9606)

Expression System(s):

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.80 Å

R-Value Free:

0.25

R-Value Work:

0.22

R-Value Observed:

0.22

Space Group:

P 43 21 2

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Casein kinase II subunit alpha
Gene (Uniprot):CSNK2A1
Chain IDs:A, B
Chain Length:338
Number of Molecules:2
Biological Source:Homo sapiens

UniProt ID:P68400 Pfam ID:PF00069 EC:2.7.11.1

Ligand Molecules

QIA

SO4

Primary Citation

Discovery of a Potent and Selective Naphthyridine-Based Chemical Probe for Casein Kinase 2.

Davis-Gilbert, Z.W, Kramer, A, Dunford, J.E, Howell, S, Senbabaoglu, F, Wells, C.I, Bashore, F.M, Havener, T.M, Smith, J.L, Hossain, M.A, Oppermann, U, Drewry, D.H, Axtman, A.D.Show

Acs Med.Chem.Lett. 14 432 441 (2023)

PMID: 37077385 DOI: 10.1021/acsmedchemlett.2c00530

Abstact

Naphthyridine-based inhibitors were synthesized to yield a potent and cell-active inhibitor of casein kinase 2 (CK2). Compound 2 selectively inhibits CK2α and CK2α' when profiled broadly, thereby making it an exquisitely selective chemical probe for CK2. A negative control that is structurally related but lacks a key hinge-binding nitrogen (7) was designed on the basis of structural studies. Compound 7 does not bind CK2α or CK2α' in cells and demonstrates excellent kinome-wide selectivity. Differential anticancer activity was observed when compound 2 was profiled alongside a structurally distinct CK2 chemical probe: SGC-CK2-1. This naphthyridine-based chemical probe (2) represents one of the best available small molecule tools with which to interrogate biology mediated by CK2.

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Primary Citation of related structures

Abstact

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