2UZ0

The Crystal crystal structure of the estA protein, a virulence factor estA protein from Streptococcus pneumonia

• PDB DOI:  https://doi.org/10.2210/pdb2UZ0/pdb

• Classification: HYDROLASE
• Organism(s): Streptococcus pneumoniae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-04-23 Released: 2007-10-23 
• Deposition Author(s): Kim, M.H., Kang, B.S., Kim, K.J., Oh, T.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 

Literature

The Crystal Structure of the Esta Protein, a Virulence Factor from Streptococcus Pneumoniae.

Kim, M.H., Kang, B.S., Kim, S., Kim, K.J., Lee, C.H., Oh, B.C., Park, S.C., Oh, T.K.

(2008) Proteins 70: 578

• PubMed: 17932928 
• DOI: https://doi.org/10.1002/prot.21680
• Primary Citation of Related Structures:  
  2UZ0

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 123.28 kDa 
• Atom Count: 8,765 
• Modelled Residue Count: 999 
• Deposited Residue Count: 1,052 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRIBUTYRIN ESTERASE	A, B, C, D	263	Streptococcus pneumoniae	Mutation(s): 0
UniProt
Find proteins for A0A0H2UNZ8 (Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)) Explore A0A0H2UNZ8  Go to UniProtKB:  A0A0H2UNZ8

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	F [auth A], G [auth A], K [auth C], L [auth C], O [auth D], P [auth D]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	H [auth A], J [auth B], M [auth C], N [auth C]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CA	E [auth A], I [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.213 
• R-Value Work: 0.183 
• R-Value Observed: 0.184 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.695	α = 90
b = 72.128	β = 94.31
c = 101.827	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-23 
Deposition Author(s): Kim, M.H., Kang, B.S., Kim, K.J., Oh, T.K.

Revision History  

• Version 1.0: 2007-10-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance