3U0H

The Structure of a Xylose Isomerase domain protein from Alicyclobacillus acidocaldarius subsp. acidocaldarius.

• PDB DOI: https://doi.org/10.2210/pdb3U0H/pdb

• Classification: ISOMERASE
• Organism(s): Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-09-28 Released: 2011-11-09 
• Deposition Author(s): Cuff, M.E., Chhor, G., Bearden, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.225 
• R-Value Work: 0.177 
• R-Value Observed: 0.180 

Literature

The Structure of a Xylose Isomerase domain protein from Alicyclobacillus acidocaldarius subsp. acidocaldarius.

Cuff, M.E., Chhor, G., Bearden, J., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 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: 64.16 kDa 
• Atom Count: 4,740 
• Modelled Residue Count: 558 
• Deposited Residue Count: 562 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Xylose isomerase domain protein	A, B	281	Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446	Mutation(s): 0  Gene Names: Aaci_2157
UniProt
Find proteins for C8WQZ7 (Alicyclobacillus acidocaldarius subsp. acidocaldarius (strain ATCC 27009 / DSM 446 / BCRC 14685 / JCM 5260 / KCTC 1825 / NBRC 15652 / NCIMB 11725 / NRRL B-14509 / 104-IA)) Explore C8WQZ7  Go to UniProtKB:  C8WQZ7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	D [auth A], E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

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: 2.30 Å
• R-Value Free: 0.225 
• R-Value Work: 0.177 
• R-Value Observed: 0.180 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.555	α = 90
b = 240.329	β = 90
c = 113.356	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing
SHELXD	phasing
SHELXE	model building
SOLVE	phasing
RESOLVE	phasing
ARP/wARP	model building
CCP4	phasing
O	model building
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-11-09 
Deposition Author(s): Cuff, M.E., Chhor, G., Bearden, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2011-11-09
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Refinement description
• Version 1.2: 2024-10-09
  Changes: Data collection, Database references, Derived calculations, Structure summary