4EHI

An X-ray Crystal Structure of a putative Bifunctional Phosphoribosylaminoimidazolecarboxamide Formyltransferase/IMP Cyclohydrolase

• PDB DOI: https://doi.org/10.2210/pdb4EHI/pdb

• Classification: HYDROLASE,TRANSFERASE
• Organism(s): Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-04-02 Released: 2012-06-06 
• Deposition Author(s): Brunzelle, J.S., Wawrzak, Z., Onopriyenko, O., Kwok, J., Anderson, W.F., Savchenko, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.28 Å
• R-Value Free: 
  0.212 (Depositor), 0.211 (DCC) 
• R-Value Work: 
  0.173 (Depositor), 0.171 (DCC) 
• R-Value Observed: 
  0.174 (Depositor) 

Literature

An X-ray Crystal Structure of a putative Bifunctional Phosphoribosylaminoimidazolecarboxamide Formyltransferase/IMP Cyclohydrolase

Brunzelle, J.S., Wawrzak, Z., Onopriyenko, O., Kwok, J., Anderson, W.F., Savchenko, A., Center for Structural Genomics of Infectious Diseases

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)

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 120.83 kDa 
• Atom Count: 8,335 
• Modelled Residue Count: 990 
• Deposited Residue Count: 1,068 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bifunctional purine biosynthesis protein PurH	A, B	534	Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819	Mutation(s): 0  Gene Names: Cj0953c, purH EC: 2.1.2.3 (PDB Primary Data), 3.5.4.10 (PDB Primary Data)
UniProt
Find proteins for Q9PNY2 (Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)) Explore Q9PNY2  Go to UniProtKB:  Q9PNY2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BTB	C [auth A]	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C8 H19 N O5 OWMVSZAMULFTJU-UHFFFAOYSA-N
SO4	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth B], K [auth B], L [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

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: 2.28 Å
• R-Value Free:  0.212 (Depositor), 0.211 (DCC) 
• R-Value Work:  0.173 (Depositor), 0.171 (DCC) 
• R-Value Observed: 0.174 (Depositor) 

Diffraction Data: https://doi.org/10.18430/m34ehi

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.881	α = 90
b = 101.234	β = 90
c = 114.294	γ = 90

Software Package:

Software Name	Purpose
BLU-MAX	data collection
PHENIX	model building
BUSTER	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-06 
Deposition Author(s): Brunzelle, J.S., Wawrzak, Z., Onopriyenko, O., Kwok, J., Anderson, W.F., Savchenko, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2012-06-06
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary