1OOJ

Structural genomics of Caenorhabditis elegans : Calmodulin

• PDB DOI: https://doi.org/10.2210/pdb1OOJ/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-03-03 Released: 2003-03-25 
• Deposition Author(s): Symersky, J., Lin, G., Li, S., Qiu, S., Luan, C.-H., Luo, D., Tsao, J., Carson, M., DeLucas, L., Luo, M., Southeast Collaboratory for Structural Genomics (SECSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.271 
• R-Value Work: 0.212 
• R-Value Observed: 0.223 

Starting Model: experimental

Literature

Structural genomics of caenorhabditis elegans: crystal structure of calmodulin.

Symersky, J., Lin, G., Li, S., Qiu, S., Carson, M., Schormann, N., Luo, M.

(2003) Proteins 53: 947-949

• PubMed: 14635136 
• DOI: https://doi.org/10.1002/prot.10517
• Primary Citation of Related Structures:  
  1OOJ

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Organizational Affiliation: 

Southeast Collaboratory for Structural Genomics, Center for Biophysical Sciences and Engineering, University of Alabama at Birmingham, Birmingham, Alabama, USA. [e-mail]

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 17 kDa 
• Atom Count: 1,206 
• Modelled Residue Count: 141 
• Deposited Residue Count: 149 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin CMD-1	A	149	Caenorhabditis elegans	Mutation(s): 0
UniProt
Find proteins for O16305 (Caenorhabditis elegans) Explore O16305  Go to UniProtKB:  O16305

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A], D [auth A], E [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.11 Å
• R-Value Free: 0.271 
• R-Value Work: 0.212 
• R-Value Observed: 0.223 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 103.394	α = 90
b = 23.997	β = 112.14
c = 60.77	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data reduction
AMoRE	phasing
CNS	refinement
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-03-25 
Deposition Author(s): Symersky, J., Lin, G., Li, S., Qiu, S., Luan, C.-H., Luo, D., Tsao, J., Carson, M., DeLucas, L., Luo, M., Southeast Collaboratory for Structural Genomics (SECSG)

Revision History  

• Version 1.0: 2003-03-25
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-16
  Changes: Data collection, Database references, Derived calculations, Refinement description