1GBS

CRYSTAL STRUCTURE OF BLACK SWAN GOOSE-TYPE LYSOZYME AT 1.8 ANGSTROMS RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb1GBS/pdb

• Classification: HYDROLASE (O-GLYCOSYL)
• Organism(s): Cygnus atratus
• Mutation(s): No 


• Deposited: 1995-03-15 Released: 1995-07-10 
• Deposition Author(s): Rao, Z., Machin, K., Isaacs, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Observed: 0.184 

Literature

A strategy for rapid and effective refinement applied to black swan lysozyme.

Rao, Z., Esnouf, R., Isaacs, N., Stuart, D.

(1995) Acta Crystallogr D Biol Crystallogr 51: 331-336

• PubMed: 15299299 
• DOI: https://doi.org/10.1107/S0907444994009893
• Primary Citation of Related Structures:  
  1GBS


• PubMed Abstract: 
  

  The crystal structure of a goose-type lysozyme from the egg white of black swan has been determined at 1.9 A resolution using a semi-automatic procedure based on the Calpha coordinates of the homologous goose protein.

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Organizational Affiliation: 

Laboratory of Molecular Biophysics and Oxford Centre for Molecular Sciences, Oxford University, England.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 20.43 kDa 
• Atom Count: 1,586 
• Modelled Residue Count: 185 
• Deposited Residue Count: 185 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AUSTRALIAN BLACK SWAN EGG WHITE LYSOZYME	A	185	Cygnus atratus	Mutation(s): 0  EC: 3.2.1.17
UniProt
Find proteins for P00717 (Cygnus atratus) Explore P00717  Go to UniProtKB:  P00717

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Observed: 0.184 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.8	α = 90
b = 65.4	β = 90
c = 38.8	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
PROTEIN	refinement
CCP4	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1995-07-10 
Deposition Author(s): Rao, Z., Machin, K., Isaacs, N.

Revision History  

• Version 1.0: 1995-07-10
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-06-05
  Changes: Data collection, Database references, Other
• Version 1.4: 2024-11-20
  Changes: Structure summary