2O60

Calmodulin bound to peptide from neuronal nitric oxide synthase

• PDB DOI: https://doi.org/10.2210/pdb2O60/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Gallus gallus, Mus musculus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-12-06 Released: 2007-12-25 
• Deposition Author(s): Ng, H.L., Alber, T., Wand, A.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.244 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 

Literature

Crystal structure of calmodulin-neuronal nitric oxide synthase complex

Valentine, K.G., Ng, H.L., Schneeweis, L., Kranz, J.K., Frederick, K.K., Alber, T., Wand, A.J.

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: 19.46 kDa 
• Atom Count: 1,513 
• Modelled Residue Count: 169 
• Deposited Residue Count: 172 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin	A	148	Gallus gallus	Mutation(s): 0  Gene Names: CALM
UniProt
Find proteins for P62149 (Gallus gallus) Explore P62149  Go to UniProtKB:  P62149

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide corresponding to calmodulin binding domain of neuronal nitric oxide synthase	B	24	N/A	Mutation(s): 0
UniProt
Find proteins for Q9Z0J4 (Mus musculus) Explore Q9Z0J4  Go to UniProtKB:  Q9Z0J4

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: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 0.244 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.126	α = 90
b = 32.93	β = 93.3
c = 73.83	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
MOSFLM	data reduction
SCALA	data scaling
EPMR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-12-25 
Deposition Author(s): Ng, H.L., Alber, T., Wand, A.J.

Revision History  

• Version 1.0: 2007-12-25
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-10-18
  Changes: Refinement description
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations