2O1A | pdb_00002o1a

Crystal structure of iron-regulated surface determinant protein A from Staphylococcus aureus- targeted domain 47...188

• PDB DOI: https://doi.org/10.2210/pdb2O1A/pdb

• Classification: SURFACE ACTIVE PROTEIN
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-11-28 Released: 2006-12-26 
• Deposition Author(s): Chang, C., Mulligan, R., Gu, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 
  0.201 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.167 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.169 (Depositor) 

Literature

Crystal structure of iron-regulated surface determinant protein A from Staphylococcus aureus - targeted domain 47...188

Chang, C., Mulligan, R., Gu, M., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 16.4 kDa 
• Atom Count: 1,221 
• Modeled Residue Count: 122 
• Deposited Residue Count: 142 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Iron-regulated surface determinant protein A	A	142	Staphylococcus aureus	Mutation(s): 2  Gene Names: isdA, frpA, stbA
UniProt
Find proteins for Q99UX4 (Staphylococcus aureus (strain Mu50 / ATCC 700699)) Explore Q99UX4  Go to UniProtKB:  Q99UX4

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
EDO	C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

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: 1.60 Å
• R-Value Free:  0.201 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.167 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.169 (Depositor) 

Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.186	α = 90
b = 82.141	β = 90
c = 91.279	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-12-26 
Deposition Author(s): Chang, C., Mulligan, R., Gu, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-12-26
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-11-20
  Changes: Structure summary