3ULR

Lysozyme contamination facilitates crystallization of a hetero-trimericCortactin:Arg:Lysozyme complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.186 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Lysozyme contamination facilitates crystallization of a heterotrimeric cortactin-Arg-lysozyme complex.

Liu, W.Macgrath, S.M.Koleske, A.J.Boggon, T.J.

(2012) Acta Crystallogr Sect F Struct Biol Cryst Commun 68: 154-158

  • DOI: 10.1107/S1744309111056132
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Crystallization of contaminating proteins is a frequently encountered problem for macromolecular crystallographers. In this study, an attempt was made to obtain a binary cocrystal structure of the SH3 domain of cortactin and a 17-residue peptide from ...

    Crystallization of contaminating proteins is a frequently encountered problem for macromolecular crystallographers. In this study, an attempt was made to obtain a binary cocrystal structure of the SH3 domain of cortactin and a 17-residue peptide from the Arg nonreceptor tyrosine kinase encompassing a PxxPxxPxxP (PxxP1) motif. However, cocrystals could only be obtained in the presence of trace amounts of a contaminating protein. A structure solution obtained by molecular replacement followed by ARP/wARP automatic model building allowed a 'sequence-by-crystallography' approach to discover that the contaminating protein was lysozyme. This 1.65 Å resolution crystal structure determination of a 1:1:1 heterotrimeric complex of Arg, cortactin and lysozyme thus provides an unusual `caveat emptor' warning of the dangers that underpurified proteins harbor for macromolecular crystallographers.


    Organizational Affiliation

    Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06520, USA.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Lysozyme C
A
129Gallus gallusMutation(s): 0 
Gene Names: LYZ
EC: 3.2.1.17
Find proteins for P00698 (Gallus gallus)
Go to UniProtKB:  P00698
Protein Feature View
  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Src substrate cortactin
B
65Mus musculusMutation(s): 0 
Gene Names: CttnEms1
Find proteins for Q60598 (Mus musculus)
Go to UniProtKB:  Q60598
NIH Common Fund Data Resources
IMPC  MGI:99695
Protein Feature View
  • Reference Sequence
  • Find similar proteins by: Sequence   |   Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
Abelson tyrosine-protein kinase 2
C
17Homo sapiensMutation(s): 0 
Gene Names: ABL2ABLLARG
EC: 2.7.10.2
Find proteins for P42684 (Homo sapiens)
Go to UniProtKB:  P42684
NIH Common Fund Data Resources
PHAROS  P42684
Protein Feature View
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.225 
  • R-Value Work: 0.184 
  • R-Value Observed: 0.186 
  • Space Group: P 21 21 21
  • Diffraction Data DOI: 10.15785/SBGRID/553 SBGrid
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 38.658α = 90
b = 57.838β = 90
c = 95.513γ = 90
Software Package:
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-01-11
    Type: Initial release
  • Version 1.1: 2012-02-15
    Changes: Database references