Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 35.92 kDa 
• Atom Count: 2,684 
• Modelled Residue Count: 305 
• Deposited Residue Count: 327 
• Unique protein chains: 1

 2AP1

Crystal structure of the putative regulatory protein

• PDB DOI:  https://doi.org/10.2210/pdb2AP1/pdb

• Classification: TRANSFERASE
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-08-15 Released: 2005-09-27 
• Deposition Author(s): Brunzelle, J.S., Minasov, G., Shuvalova, L., Collart, F.R., Joachimiak, A., Anderson, W.F., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.205 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 

Literature

Crystal structure of the putative regulatory protein

Brunzelle, J.S., Minasov, G., Shuvalova, L., Collart, F.R., Anderson, W.F.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
putative regulator protein	A	327	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0  Gene Names: ycfX EC: 2.7.1.59
UniProt
Find proteins for Q8ZPZ9 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q8ZPZ9  Go to UniProtKB:  Q8ZPZ9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
NA	C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.205 
• R-Value Work: 0.168 
• R-Value Observed: 0.169 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.581	α = 90
b = 105.744	β = 90
c = 88.262	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-09-27 
Deposition Author(s): Brunzelle, J.S., Minasov, G., Shuvalova, L., Collart, F.R., Joachimiak, A., Anderson, W.F., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2005-09-27
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description