2L1W | pdb_00002l1w

The solution structure of soybean calmodulin isoform 4 complexed with the vacuolar calcium ATPase BCA1 peptide

• PDB DOI: https://doi.org/10.2210/pdb2L1W/pdb

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


• Deposited: 2010-08-06 Released: 2010-09-29 
• Deposition Author(s): Ishida, H., Vogel, H.J.

---

Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Literature

The solution structure of a plant calmodulin and the CaM-binding domain of the vacuolar calcium-ATPase BCA1 reveals a new binding and activation mechanism

Ishida, H., Vogel, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 20.16 kDa 
• Atom Count: 1,401 
• Modeled Residue Count: 174 
• Deposited Residue Count: 174 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin	A	149	Glycine max	Mutation(s): 0  Gene Names: SCaM-4
UniProt
Find proteins for Q39890 (Glycine max) Explore Q39890  Go to UniProtKB:  Q39890

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
vacuolar calcium ATPase BCA1 peptide	B	25	N/A	Mutation(s): 0

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 25 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-09-29 
Deposition Author(s): Ishida, H., Vogel, H.J.

Revision History  

• Version 1.0: 2010-09-29
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-05-01
  Changes: Data collection, Database references, Derived calculations