2K7O

Ca2+-S100B, refined with RDCs

• PDB DOI: https://doi.org/10.2210/pdb2K7O/pdb
• BMRB: 15923

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


• Deposited: 2008-08-17 Released: 2008-11-18 
• Deposition Author(s): Wright, N.T., Inman, K.G., Levine, J.A., Weber, D.J.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

Refinement of the solution structure and dynamic properties of Ca(2+)-bound rat S100B.

Wright, N.T., Inman, K.G., Levine, J.A., Cannon, B.R., Varney, K.M., Weber, D.J.

(2008) J Biomol NMR 42: 279-286

• PubMed: 18949447 
• DOI: https://doi.org/10.1007/s10858-008-9282-y
• Primary Citation of Related Structures:  
  2K7O

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Organizational Affiliation: 

Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 21.41 kDa 
• Atom Count: 1,490 
• Modelled Residue Count: 182 
• Deposited Residue Count: 182 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein S100-B	A, B	91	Rattus norvegicus	Mutation(s): 0  Gene Names: S100b
UniProt
Find proteins for P04631 (Rattus norvegicus) Explore P04631  Go to UniProtKB:  P04631

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-11-18 
Deposition Author(s): Wright, N.T., Inman, K.G., Levine, J.A., Weber, D.J.

Revision History  

• Version 1.0: 2008-11-18
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2022-03-16
  Changes: Data collection, Database references, Derived calculations