9S9Y | pdb_00009s9y

Structure of protein kinase CK2alpha in complex with AMPPNP crystallized in space group P43212

PDB DOI: https://doi.org/10.2210/pdb9S9Y/pdb

Classification: TRANSFERASE
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-08-07 Released: 2026-08-19
Deposition Author(s): Werner, C., Gast, A., Jose, J., Niefind, K.
Funding Organization(s): German Research Foundation (DFG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.86 Å
R-Value Free:
0.222 (Depositor), 0.222 (DCC)
R-Value Work:
0.175 (Depositor), 0.175 (DCC)
R-Value Observed:
0.177 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Structure of protein kinase CK2alpha in complex with AMPPNP crystallized in space group P43212

Werner, C., Gast, A., Caefer, D., Fellhoefer, J., Meyer, S.C., Jordan, S., Buchwald, L.M., Than, T.L., Schwartz, D., Jose, J., Niefind, K.

To be published.

Macromolecule Content

Total Structure Weight: 96.83 kDa
Atom Count: 6,291
Modeled Residue Count: 660
Deposited Residue Count: 822
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Casein kinase II subunit alpha	A, B	411	Homo sapiens	Mutation(s): 0 Gene Names: CSNK2A1, CK2A1 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P68400 (Homo sapiens) Explore P68400 Go to UniProtKB: P68400
GTEx: ENSG00000101266
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P68400
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ANP (Subject of Investigation/LOI) Query on ANP Download:Ideal Coordinates CCD File SDF format, chain N [auth B] SDF format, chain C [auth A] MOL2 format, chain N [auth B] MOL2 format, chain C [auth A] mmCIF format, chain N [auth B] mmCIF format, chain C [auth A]	C [auth A], N [auth B]	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER C₁₀ H₁₇ N₆ O₁₂ P₃ PVKSNHVPLWYQGJ-KQYNXXCUSA-N		Interactions Focus chain C [auth A] Focus chain N [auth B] Interactions & Density Focus chain C [auth A] Focus chain N [auth B]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain R [auth B] SDF format, chain Q [auth B] SDF format, chain M [auth A] SDF format, chain L [auth A] SDF format, chain K [auth A] SDF format, chain J [auth A] SDF format, chain I [auth A] SDF format, chain H [auth A] SDF format, chain G [auth A] SDF format, chain F [auth A] MOL2 format, chain R [auth B] MOL2 format, chain Q [auth B] MOL2 format, chain M [auth A] MOL2 format, chain L [auth A] MOL2 format, chain K [auth A] MOL2 format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] mmCIF format, chain R [auth B] mmCIF format, chain Q [auth B] mmCIF format, chain M [auth A] mmCIF format, chain L [auth A] mmCIF format, chain K [auth A] mmCIF format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A]	F [auth A] G [auth A] H [auth A] I [auth A] J [auth A] F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A], Q [auth B], R [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain Q [auth B] Focus chain R [auth B] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain Q [auth B] Focus chain R [auth B]
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain P [auth B] SDF format, chain O [auth B] SDF format, chain E [auth A] SDF format, chain D [auth A] MOL2 format, chain P [auth B] MOL2 format, chain O [auth B] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] mmCIF format, chain P [auth B] mmCIF format, chain O [auth B] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A]	D [auth A], E [auth A], O [auth B], P [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain O [auth B] Focus chain P [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain O [auth B] Focus chain P [auth B]