9FBM | pdb_00009fbm

Structure of human protein kinase CK2 catalytic subunit (CK2alpha, CSNK2A1 gene product) in complex with the cyclic peptidomimetic compound 12 discovered by high-throughput screening


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 
    0.239 (Depositor), 0.238 (DCC) 
  • R-Value Work: 
    0.185 (Depositor), 0.184 (DCC) 
  • R-Value Observed: 
    0.185 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 9FBM

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: 128.63 kDa 
  • Atom Count: 9,450 
  • Modeled Residue Count: 1,009 
  • Deposited Residue Count: 1,062 
  • Unique protein chains: 2

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Casein kinase II subunit alpha
A, B, C
349Homo sapiensMutation(s): 0 
Gene Names: CSNK2A1
EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for P68400 (Homo sapiens)
Explore P68400 
Go to UniProtKB:  P68400
PHAROS:  P68400
GTEx:  ENSG00000101266 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP68400
Sequence Annotations
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Reference Sequence
Find similar proteins by:  Sequence   |   3D Structure  
Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Cyclic peptidomimetic compound FMP37D [auth F],
E [auth G],
F [auth H]
5synthetic constructMutation(s): 0 

Small Molecules

Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NIO

Query on NIO



Download:Ideal Coordinates CCD File
G [auth A],
M [auth B],
R [auth C]
NICOTINIC ACID
C6 H5 N O2
PVNIIMVLHYAWGP-UHFFFAOYSA-N
SO4

Query on SO4



Download:Ideal Coordinates CCD File
H [auth A]
I [auth A]
J [auth A]
K [auth A]
N [auth B]
H [auth A],
I [auth A],
J [auth A],
K [auth A],
N [auth B],
O [auth B],
P [auth B],
S [auth C],
T [auth C],
U [auth C]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
NA

Query on NA



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

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free:  0.239 (Depositor), 0.238 (DCC) 
  • R-Value Work:  0.185 (Depositor), 0.184 (DCC) 
  • R-Value Observed: 0.185 (Depositor) 
Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 78.016α = 90
b = 208.36β = 90
c = 76.718γ = 90
Software Package:
Software NamePurpose
autoPROCdata reduction
autoPROCdata scaling
PHASERphasing
PHENIXrefinement

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