1VQU

Crystal structure of Anthranilate phosphoribosyltransferase 2 (17130499) from Nostoc sp. at 1.85 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1VQU/pdb

• Classification: TRANSFERASE
• Organism(s): Nostoc sp. PCC 7120 = FACHB-418
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-01-05 Released: 2005-01-18 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.221 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Crystal structure of Anthranilate phosphoribosyltransferase 2 (17130499) from Nostoc sp. at 1.85 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 78.85 kDa 
• Atom Count: 5,067 
• Modelled Residue Count: 664 
• Deposited Residue Count: 748 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Anthranilate phosphoribosyltransferase 2	A, B	374	Nostoc sp. PCC 7120 = FACHB-418	Mutation(s): 4  Gene Names: trpD2 EC: 2.4.2.18
UniProt
Find proteins for Q8YXQ9 (Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)) Explore Q8YXQ9  Go to UniProtKB:  Q8YXQ9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT	C [auth A], D [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.221 
• R-Value Work: 0.179 
• R-Value Observed: 0.181 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/M31VQU

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.556	α = 90
b = 47.233	β = 92.72
c = 99.376	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-01-18 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-01-18
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2023-11-15
  Changes: Data collection
• Version 1.5: 2024-10-16
  Changes: Structure summary