1O4V

Crystal structure of the catalytic subunit of a phosphoribosylaminoimidazole mutase (tm0446) from thermotoga maritima at 1.77 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1O4V/pdb

• Classification: LYASE
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-07-11 Released: 2003-07-22 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.182 
• R-Value Work: 0.150 
• R-Value Observed: 0.151 

Literature

Crystal structure of a phosphoribosylaminoimidazole mutase PurE (TM0446) from Thermotoga maritima at 1.77 A resolution

Schwarzenbacher, R., Jaroszewski, L., von Delft, F., Abdubek, P., Ambing, E., Biorac, T., Brinen, L.S., Canaves, J.M., Cambell, J., Chiu, H.J., Dai, X., Deacon, A.M., DiDonato, M., Elsliger, M.A., Eshagi, S., Floyd, R., Godzik, A., Grittini, C., Grzechnik, S.K., Hampton, E., Karlak, C., Klock, H.E., Koesema, E., Kovarik, J.S., Kreusch, A., Kuhn, P., Lesley, S.A., Levin, I., McMullan, D., McPhillips, T.M., Miller, M.D., Morse, A., Moy, K., Ouyang, J., Page, R., Quijano, K., Robb, A., Spraggon, G., Stevens, R.C., van den Bedem, H., Velasquez, J., Vincent, J., Wang, X., West, B., Wolf, G., Xu, Q., Hodgson, K.O., Wooley, J., Wilson, I.A.

(2004) Proteins 55: 474-478

• PubMed: 15048837 
• DOI: https://doi.org/10.1002/prot.20023
• Primary Citation of Related Structures:  
  1O4V

---

Organizational Affiliation: 

Joint Center for Structural Genomics, La Jolla, CA 92037, USA.

Biological Assembly 1  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

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

Macromolecule Content

• Total Structure Weight: 20.26 kDa 
• Atom Count: 1,429 
• Modelled Residue Count: 169 
• Deposited Residue Count: 183 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
phosphoribosylaminoimidazole mutase PurE	A	183	Thermotoga maritima	Mutation(s): 0  Gene Names: PURE OR TM0446 EC: 4.1.1.21
UniProt
Find proteins for Q9WYS7 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9WYS7  Go to UniProtKB:  Q9WYS7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.182 
• R-Value Work: 0.150 
• R-Value Observed: 0.151 
• Space Group: I 4 2 2
• Diffraction Data: https://doi.org/10.18430/M31O4V

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 103.249	α = 90
b = 103.249	β = 90
c = 65.445	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: 2003-07-22 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2003-07-22
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 1.4: 2018-07-18
  Changes: Data collection, Database references, Derived calculations
• Version 1.5: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.6: 2023-09-20
  Changes: Data collection, Refinement description