1A3A

CRYSTAL STRUCTURE OF IIA MANNITOL FROM ESCHERICHIA COLI


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.190 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The structure of the Escherichia coli phosphotransferase IIAmannitol reveals a novel fold with two conformations of the active site.

van Montfort, R.L.Pijning, T.Kalk, K.H.Hangyi, I.Kouwijzer, M.L.Robillard, G.T.Dijkstra, B.W.

(1998) Structure 6: 377-388


  • PubMed Abstract: 
  • The bacterial phosphoenolpyruvate-dependent phosphotransferase system (PTS) catalyses the cellular uptake and subsequent phosphorylation of carbohydrates. Moreover, the PTS plays a crucial role in the global regulation of various metabolic pathways. ...

    The bacterial phosphoenolpyruvate-dependent phosphotransferase system (PTS) catalyses the cellular uptake and subsequent phosphorylation of carbohydrates. Moreover, the PTS plays a crucial role in the global regulation of various metabolic pathways. The PTS consists of two general proteins, enzyme I and the histidine-containing protein (HPr), and the carbohydrate-specific enzyme II (EII). EIIs are usually composed of two cytoplasmic domains, IIA and IIB, and a transmembrane domain, IIC. The IIA domains catalyse the transfer of a phosphoryl group from HPr to IIB, which phosphorylates the transported carbohydrate. Knowledge of the structures of the IIA proteins may provide insight into the mechanisms by which the PTS couples phosphorylation reactions with carbohydrate specificity.


    Organizational Affiliation

    Laboratory of Biophysical Chemistry, BIOSON Research Institute, University of Groningen, Nijenborgh, The Netherlands.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
MANNITOL-SPECIFIC EII
A, B, C, D
148Escherichia coli (strain K12)Gene Names: mtlA
EC: 2.7.1.194, 2.7.1.191, 2.7.1.192, 2.7.1.195, 2.7.1.-, 2.7.1.193
Find proteins for P00550 (Escherichia coli (strain K12))
Go to UniProtKB:  P00550
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.190 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 53.570α = 90.00
b = 66.010β = 99.76
c = 73.860γ = 90.00
Software Package:
Software NamePurpose
X-PLORphasing
X-PLORmodel building
DENZOdata reduction
SCALEPACKdata scaling
X-PLORrefinement
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1998-08-12
    Type: Initial release
  • Version 1.1: 2008-03-24
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Source and taxonomy, Version format compliance