4GJ1

Crystal structure of 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase (hisA).

• PDB DOI: https://doi.org/10.2210/pdb4GJ1/pdb

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


• Deposited: 2012-08-09 Released: 2012-08-22 
• Deposition Author(s): Nocek, B., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., CSGID, Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.229 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 

Literature

Crystal structure of 1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase (hisA).

Nocek, B., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 26.91 kDa 
• Atom Count: 1,757 
• Modelled Residue Count: 229 
• Deposited Residue Count: 243 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
1-(5-phosphoribosyl)-5-[(5-phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase	A	243	Campylobacter jejuni subsp. jejuni NCTC 11168 = ATCC 700819	Mutation(s): 0  Gene Names: hisA, Cj1601 EC: 5.3.1.16
UniProt
Find proteins for Q9PM74 (Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168)) Explore Q9PM74  Go to UniProtKB:  Q9PM74

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.229 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/m34gj1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 35.34	α = 90
b = 75.733	β = 105.18
c = 45.923	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
Auto-Rickshaw	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-08-22 
Deposition Author(s): Nocek, B., Gu, M., Kwon, K., Anderson, W.F., Joachimiak, A., CSGID, Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2012-08-22
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2018-01-24
  Changes: Structure summary