3L20

Crystal structure of a hypothetical protein from Staphylococcus aureus

• PDB DOI: https://doi.org/10.2210/pdb3L20/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Staphylococcus aureus subsp. aureus USA300
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-12-14 Released: 2010-10-27 
• Deposition Author(s): Lam, R., Chan, T., Battaile, K.P., Mihajlovic, V., Romanov, V., Soloveychik, M., Kisselman, G., McGrath, T.E., Lam, K., Pai, E.F., Chirgadze, N.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.237 
• R-Value Work: 0.209 

Literature

Crystal structure of a hypothetical protein from Staphylococcus aureus

Lam, R., Chan, T., Battaile, K.P., Mihajlovic, V., Romanov, V., Pai, E.F., Chirgadze, N.Y.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 39.79 kDa 
• Atom Count: 2,430 
• Modelled Residue Count: 299 
• Deposited Residue Count: 344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative uncharacterized protein	A, B	172	Staphylococcus aureus subsp. aureus USA300	Mutation(s): 0  Gene Names: SAUSA300_2529
UniProt
Find proteins for A0A0H2XH33 (Staphylococcus aureus (strain USA300)) Explore A0A0H2XH33  Go to UniProtKB:  A0A0H2XH33

Small Molecules

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: 2.45 Å
• R-Value Free: 0.237 
• R-Value Work: 0.209 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.668	α = 90
b = 93.027	β = 90
c = 94.453	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
JDirector	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-10-27 
Deposition Author(s): Lam, R., Chan, T., Battaile, K.P., Mihajlovic, V., Romanov, V., Soloveychik, M., Kisselman, G., McGrath, T.E., Lam, K., Pai, E.F., Chirgadze, N.Y.

Revision History  

• Version 1.0: 2010-10-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary