1W9L | pdb_00001w9l

Myosin II Dictyostelium discoideum motor domain S456E bound with MgADP-AlF4

• PDB DOI: https://doi.org/10.2210/pdb1W9L/pdb

• Classification: MYOSIN
• Organism(s): Dictyostelium discoideum
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2004-10-13 Released: 2006-03-16 
• Deposition Author(s): Morris, C.A., Coureux, P.-D., Wells, A.L., Houdusse, A., Sweeney, H.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 
  0.225 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.193 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.194 (Depositor) 

Starting Model: experimental

Literature

Structure-Function Analysis of Myosin II Backdoor Mutants

Morris, C.A., Coureux, P.-D., Wells, A.L., Houdusse, A., Sweeney, H.L.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content 

• Total Structure Weight: 88.79 kDa 
• Atom Count: 6,228 
• Modeled Residue Count: 726 
• Deposited Residue Count: 770 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MYOSIN II HEAVY CHAIN	A	770	Dictyostelium discoideum	Mutation(s): 1  EC: 3.6.4.1
UniProt
Find proteins for P08799 (Dictyostelium discoideum) Explore P08799  Go to UniProtKB:  P08799

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP	C [auth A]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N
ALF	D [auth A]	TETRAFLUOROALUMINATE ION Al F4 UYOMQIYKOOHAMK-UHFFFAOYSA-J
EDO	E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free:  0.225 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.193 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.194 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.038	α = 90
b = 145.983	β = 90
c = 152.373	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-16 
Deposition Author(s): Morris, C.A., Coureux, P.-D., Wells, A.L., Houdusse, A., Sweeney, H.L.

Revision History  

• Version 1.0: 2006-03-16
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description
• Version 1.4: 2024-10-23
  Changes: Structure summary