4ZLK

Crystal structure of mouse myosin-5a in complex with calcium-bound calmodulin

• PDB DOI: https://doi.org/10.2210/pdb4ZLK/pdb

• Classification: MOTOR PROTEIN/METAL BINDING PROTEIN
• Organism(s): Mus musculus
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2015-05-01 Released: 2016-05-04 
• Deposition Author(s): Shen, M., Zhang, N., Zheng, S., Zhang, W.-B., Zhang, H.-M., Lu, Z., Su, Q.P., Sun, Y., Ye, K., Li, X.-D.
• Funding Organization(s): National Basic Research Program of China, National Natural Science Foundation of China

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.199 (Depositor) 

Starting Model: experimental

Literature

Structural basis for calcium regulation of myosin 5 motor function

Shen, M., Zheng, S., Zhang, W., Lu, Z., Ye, K., Li, X.

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)

Macromolecule Content

• Total Structure Weight: 113.84 kDa 
• Atom Count: 7,289 
• Modelled Residue Count: 866 
• Deposited Residue Count: 988 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Unconventional myosin-Va	A	839	Mus musculus	Mutation(s): 0  Gene Names: Myo5a, Dilute
UniProt & NIH Common Fund Data Resources
Find proteins for Q99104 (Mus musculus) Explore Q99104  Go to UniProtKB:  Q99104
IMPC:  MGI:105976

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin	B	149	Mus musculus	Mutation(s): 0  Gene Names: Calm1, Calm, Cam, Cam1, Calm2, Cam2, Camb, Calm3, Cam3, Camc
UniProt
Find proteins for P0DP26 (Mus musculus) Explore P0DP26  Go to UniProtKB:  P0DP26

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.246 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.199 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.079	α = 90
b = 99.455	β = 90
c = 248.159	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-05-04 
Deposition Author(s): Shen, M., Zhang, N., Zheng, S., Zhang, W.-B., Zhang, H.-M., Lu, Z., Su, Q.P., Sun, Y., Ye, K., Li, X.-D.

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Funding Organization	Location	Grant Number
National Basic Research Program of China	China	2013CB932802
National Basic Research Program of China	China	2012CB114102
National Natural Science Foundation of China	China	31171367
National Natural Science Foundation of China	China	31470791
National Natural Science Foundation of China	China	31325007

Revision History  

• Version 1.0: 2016-05-04
  Type: Initial release
  
• Version 1.1: 2016-10-05
  Changes: Structure summary
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description