1B2K | pdb_00001b2k

Structural effects of monovalent anions on polymorphic lysozyme crystals


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 
    0.237 (Depositor) 
  • R-Value Work: 
    0.198 (Depositor), 0.185 (DCC) 
  • R-Value Observed: 
    0.198 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 1B2K

This is version 1.6 of the entry. See complete history

Literature

Structural effects of monovalent anions on polymorphic lysozyme crystals.

Vaney, M.C.Broutin, I.Retailleau, P.Douangamath, A.Lafont, S.Hamiaux, C.Prange, T.Ducruix, A.Ries-Kautt, M.

(2001) Acta Crystallogr D Biol Crystallogr 57: 929-940

  • DOI: https://doi.org/10.1107/s0907444901004504
  • Primary Citation Related Structures: 
    1B0D, 1B2K, 1HF4, 1LCN

  • PubMed Abstract: 

    Understanding direct salt effects on protein crystal polymorphism is addressed by comparing different crystal forms (triclinic, monoclinic, tetragonal and orthorhombic) for hen, turkey, bob white quail and human lysozymes. Four new structures of hen egg-white lysozyme are reported: crystals grown in the presence of NapTS diffracted to 1.85 A, of NaI to 1.6 A, of NaNO(3) to 1.45 A and of KSCN to 1.63 A. These new structures are compared with previously published structures in order to draw a mapping of the surface of different lysozymes interacting with monovalent anions, such as nitrate, chloride, iodide, bromide and thiocyanate. An analysis of the structural sites of these anions in the various lysozyme structures is presented. This study shows common anion sites whatever the crystal form and the chemical nature of anions, while others seem specific to a given geometry and a particular charge environment induced by the crystal packing.


  • Organizational Affiliation
    • Laboratoire de Cristallographie et RMN Biologiques, CNRS-UMR 8015, Faculté de Pharmacie, 4 Avenue de l'Observatoire, 75006 Paris, France.

Macromolecule Content 

  • Total Structure Weight: 30.82 kDa 
  • Atom Count: 2,324 
  • Modeled Residue Count: 258 
  • Deposited Residue Count: 258 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
PROTEIN (LYSOZYME)
A, B
129Gallus gallusMutation(s): 0 
EC: 3.2.1.17
UniProt
Find proteins for P00698 (Gallus gallus)
Explore P00698 
Go to UniProtKB:  P00698
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00698
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
IOD

Query on IOD



Download:Ideal Coordinates CCD File
C [auth A]
D [auth A]
E [auth A]
F [auth A]
G [auth A]
C [auth A],
D [auth A],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth B],
N [auth B],
O [auth B],
P [auth B],
Q [auth B],
R [auth B],
S [auth B]
IODIDE ION
I
XMBWDFGMSWQBCA-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free:  0.237 (Depositor) 
  • R-Value Work:  0.198 (Depositor), 0.185 (DCC) 
  • R-Value Observed: 0.198 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 27.73α = 90
b = 62.79β = 90.1
c = 59.84γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
Agrovatadata reduction
CCP4data reduction
AMoREphasing
X-PLORrefinement
Agrovatadata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1998-12-02
    Type: Initial release
  • Version 1.1: 2008-04-26
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Refinement description
  • Version 1.4: 2021-10-20
    Changes: Database references, Derived calculations
  • Version 1.5: 2023-08-09
    Changes: Data collection, Refinement description
  • Version 1.6: 2024-11-20
    Changes: Structure summary