9FBL | pdb_00009fbl

Structure of human protein kinase CK2 catalytic subunit (CK2alpha, CSNK2A1 gene product) in complex with the cyclic peptidomimetic compound 15 discovered by high-throughput screening


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.18 Å
  • R-Value Free: 
    0.266 (Depositor), 0.267 (DCC) 
  • R-Value Work: 
    0.209 (Depositor), 0.208 (DCC) 
  • R-Value Observed: 
    0.210 (Depositor) 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structure of human protein kinase CK2 catalytic subunit (CK2alpha, CSNK2A1 gene product) in complex with the cyclic peptidomimetic compound 15 discovered by high-throughput screening

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

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  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

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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Cyclic peptidomimetic compound FMP35D [auth L],
E [auth N],
F [auth P]
5synthetic constructMutation(s): 0 
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NIO
Query on NIO

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

Download Ideal Coordinates CCD File 
W [auth C]SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
A1ICC
Query on A1ICC
D [auth L],
E [auth N],
F [auth P]
L-PEPTIDE LINKINGC15 H15 N3 O3PRO
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.18 Å
  • R-Value Free:  0.266 (Depositor), 0.267 (DCC) 
  • R-Value Work:  0.209 (Depositor), 0.208 (DCC) 
  • R-Value Observed: 0.210 (Depositor) 
Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 77.952α = 90
b = 206.56β = 90
c = 76.772γ = 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: Database references, Structure summary