2CWI

X-ray crystal structure analysis of recombinant wild-type canine milk lysozyme (apo-type)

• PDB DOI: https://doi.org/10.2210/pdb2CWI/pdb

• Classification: HYDROLASE
• Organism(s): Canis lupus familiaris
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2005-06-20 Released: 2006-06-20 
• Deposition Author(s): Akieda, D., Yasui, M., Aizawa, T., Yao, M., Watanabe, N., Tanaka, I., Demura, M., Kawano, K., Nitta, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.250 
• R-Value Work: 0.180 
• R-Value Observed: 0.184 

Literature

Construction of an expression system of canine milk lysozyme in the methylotrophic yeast Pichia pastoris

Akieda, D., Yasui, M., Aizawa, T., Yao, M., Watanabe, N., Tanaka, I., Demura, M., Kawano, K., Nitta, K.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 29.37 kDa 
• Atom Count: 2,138 
• Modelled Residue Count: 258 
• Deposited Residue Count: 258 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lysozyme C, milk isozyme	A, B	129	Canis lupus familiaris	Mutation(s): 0  EC: 3.2.1.17
UniProt
Find proteins for P81708 (Canis lupus familiaris) Explore P81708  Go to UniProtKB:  P81708

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth B], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.250 
• R-Value Work: 0.180 
• R-Value Observed: 0.184 
• Space Group: P 3₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.048	α = 90
b = 31.048	β = 90
c = 199.757	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
XFIT	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-06-20 
Deposition Author(s): Akieda, D., Yasui, M., Aizawa, T., Yao, M., Watanabe, N., Tanaka, I., Demura, M., Kawano, K., Nitta, K.

Revision History  

• Version 1.0: 2006-06-20
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-01-24
  Changes: Experimental preparation