9FBI | pdb_00009fbi

Structure of human protein kinase CK2 catalytic subunit (CK2alpha', CSNK2A2 gene product) in complex with the cyclic peptidomimetic compound 12 discovered by high-throughput screening


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.16 Å
  • R-Value Free: 
    0.185 (Depositor), 0.188 (DCC) 
  • R-Value Work: 
    0.145 (Depositor), 0.152 (DCC) 
  • R-Value Observed: 
    0.146 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9FBI

This is version 1.1 of the entry. See complete history

Literature

Discovery and characterization of a novel class of cyclic peptidic compounds inhibiting the assembly of the protein kinase CK2alpha2/beta2 holoenzyme

Werner, C.Eimermacher, S.Lindenblatt, D.Niefind, K.Pietsch, M.

To be published.

Macromolecule Content 

  • Total Structure Weight: 87.54 kDa 
  • Atom Count: 6,236 
  • Modeled Residue Count: 661 
  • Deposited Residue Count: 733 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Casein kinase II subunit alpha'
A, B
364Homo sapiensMutation(s): 1 
Gene Names: CSNK2A2CK2A2
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P19784 (Homo sapiens)
Explore P19784 
Go to UniProtKB:  P19784
PHAROS:  P19784
GTEx:  ENSG00000070770 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP19784
Sequence Annotations
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Reference Sequence
Find similar proteins by:  Sequence   |   3D Structure  
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Cyclic peptidomimetic compound FMP37C [auth E]5synthetic constructMutation(s): 0 

Small Molecules

Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NIO

Query on NIO



Download:Ideal Coordinates CCD File
D [auth A],
L [auth B]
NICOTINIC ACID
C6 H5 N O2
PVNIIMVLHYAWGP-UHFFFAOYSA-N
EDO

Query on EDO



Download:Ideal Coordinates CCD File
E [auth A]
F [auth A]
G [auth A]
H [auth A]
I [auth A]
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
J [auth A],
M [auth B],
N [auth B],
O [auth B],
P [auth B],
Q [auth B],
R [auth B]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL

Query on CL



Download:Ideal Coordinates CCD File
K [auth A]CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA

Query on NA



Download:Ideal Coordinates CCD File
S [auth B]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
A1ICB
Query on A1ICB
C [auth E]L-PEPTIDE LINKINGC13 H15 Cl N2 O3PRO
SFE
Query on SFE
C [auth E]PEPTIDE LINKINGC9 H11 N O2

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.16 Å
  • R-Value Free:  0.185 (Depositor), 0.188 (DCC) 
  • R-Value Work:  0.145 (Depositor), 0.152 (DCC) 
  • R-Value Observed: 0.146 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 46.452α = 90
b = 71.068β = 91.967
c = 102.878γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
autoPROCdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research Foundation (DFG)GermanyNI 643/11-1

Revision History  (Full details and data files)

  • Version 1.0: 2025-06-11
    Type: Initial release
  • Version 1.1: 2025-11-05
    Changes: Structure summary