Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 17.23 kDa 
• Atom Count: 1,049 
• Modelled Residue Count: 136 
• Deposited Residue Count: 159 
• Unique protein chains: 1

 1SU0

Crystal structure of a hypothetical protein at 2.3 A resolution

• PDB DOI:  https://doi.org/10.2210/pdb1SU0/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Streptococcus pyogenes
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-03-25 Released: 2004-08-24 
• Deposition Author(s): Liu, J., Oganesyan, N., Shin, D.-H., Jancarik, J., Pufan, R., Yokota, H., Kim, R., Kim, S.-H., Berkeley Structural Genomics Center (BSGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.256 
• R-Value Work: 0.220 
• R-Value Observed: 0.222 

Literature

Structural characterization of an iron-sulfur cluster assembly protein IscU in a zinc-bound form.

Liu, J., Oganesyan, N., Shin, D.H., Jancarik, J., Yokota, H., Kim, R., Kim, S.H.

(2005) Proteins 59: 875-881

• PubMed: 15815978 
• DOI: https://doi.org/10.1002/prot.20421
• Primary Citation of Related Structures:  
  1SU0

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
NifU like protein IscU	A [auth B]	159	Streptococcus pyogenes	Mutation(s): 0
UniProt
Find proteins for Q9A1G2 (Streptococcus pyogenes serotype M1) Explore Q9A1G2  Go to UniProtKB:  Q9A1G2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.256 
• R-Value Work: 0.220 
• R-Value Observed: 0.222 
• Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.014	α = 90
b = 72.014	β = 90
c = 112.713	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-08-24 
Deposition Author(s): Liu, J., Oganesyan, N., Shin, D.-H., Jancarik, J., Pufan, R., Yokota, H., Kim, R., Kim, S.-H., Berkeley Structural Genomics Center (BSGC)

Revision History  

• Version 1.0: 2004-08-24
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance