3KF9 | pdb_00003kf9

Crystal structure of the SdCen/skMLCK complex

• PDB DOI: https://doi.org/10.2210/pdb3KF9/pdb

• Classification: CELL CYCLE/CALCIUM-BINDING PROTEIN
• Organism(s): Scherffelia dubia, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-10-27 Released: 2011-01-26 
• Deposition Author(s): Radu, L., Assairi, L., Blouquit, Y., Durand, D., Miron, S., Charbonnier, J.B., Craescu, C.T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.290 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.200 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.204 (Depositor) 

Starting Model: experimental

Literature

Structural features of the complexes formed by Scherffelia dubia centrin

Radu, L., Miron, S., Durand, D., Assairi, L., Blouquit, Y., Charbonnier, J.B.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 40.05 kDa 
• Atom Count: 2,808 
• Modeled Residue Count: 341 
• Deposited Residue Count: 342 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Caltractin	A, C	149	Scherffelia dubia	Mutation(s): 0
UniProt
Find proteins for Q06827 (Scherffelia dubia) Explore Q06827  Go to UniProtKB:  Q06827

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Myosin light chain kinase 2, skeletal/cardiac muscle	B, D	22	N/A	Mutation(s): 0  EC: 2.7.11.18
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H1R3 (Homo sapiens) Explore Q9H1R3  Go to UniProtKB:  Q9H1R3
PHAROS:  Q9H1R3 GTEx:  ENSG00000101306

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	E [auth A], F [auth A], G [auth A], H [auth A], I [auth C], J [auth C], K [auth C], L [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.290 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.200 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.204 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.75	α = 90
b = 67.75	β = 90
c = 129.53	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-26 
Deposition Author(s): Radu, L., Assairi, L., Blouquit, Y., Durand, D., Miron, S., Charbonnier, J.B., Craescu, C.T.

Revision History  

• Version 1.0: 2011-01-26
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description