Crystal Structure Analysis of the anthranilate phosphoribosyltransferase from Erwinia carotovora at 1.9 resolution (current name, Pectobacterium carotovorum)

Experimental Data Snapshot

  • Resolution: 1.86 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.223 

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This is version 1.4 of the entry. See complete history


The Crystal Structure of Anthranilate Phosphoribosyltransferase from the Enterobacterium Pectobacterium carotovorum

Kim, C.Xuong, N.-H.Edwards, S.MadhusudanYee, M.-C.Spraggon, G.Mills, S.E.

(2002) FEBS Lett 523: 239-246

  • DOI: https://doi.org/10.1016/s0014-5793(02)02905-8
  • Primary Citation of Related Structures:  
    1KGZ, 1KHD

  • PubMed Abstract: 

    The structure of anthranilate phosphoribosyltransferase from the enterobacterium Pectobacterium carotovorum has been solved at 2.4 A in complex with Mn(2+)-pyrophosphate, and at 1.9 A without ligands. The enzyme structure has a novel phosphoribosyltransferase (PRT) fold and displays close homology to the structures of pyrimidine nucleoside phosphorylases. The enzyme is a homodimer with a monomer of 345 residues. Each monomer consists of two subdomains, alpha and alpha/beta, which form a cleft containing the active site. The nature of the active site is inferred from the trapped MnPPi complex and detailed knowledge of the active sites of nucleoside phosphorylases. With the anthranilate (An)PRT structure solved, the structures of all the enzymes required for tryptophan biosynthesis are now known.

  • Organizational Affiliation

    Department of Chemistry/Biochemistry, University of California, San Diego, La Jolla, CA 92093, USA.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Anthranilate phosphoribosyltransferase
A, B, C, D
345Pectobacterium carotovorumMutation(s): 0 
Gene Names: trpD
Find proteins for Q8VP84 (Pectobacterium carotovorum)
Explore Q8VP84 
Go to UniProtKB:  Q8VP84
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8VP84
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 1.86 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.223 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 76.87α = 90
b = 82.342β = 90
c = 200.22γ = 90
Software Package:
Software NamePurpose
MAR345data collection
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2002-10-23
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-10-11
    Changes: Refinement description
  • Version 1.4: 2023-08-16
    Changes: Data collection, Database references, Refinement description