2HEG | pdb_00002heg

Phospho-Aspartyl Intermediate Analogue of Apha class B acid phosphatase/phosphotransferase

• PDB DOI: https://doi.org/10.2210/pdb2HEG/pdb

• Classification: HYDROLASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2006-06-21 Released: 2008-03-04 
• Deposition Author(s): Leone, R., Calderone, V., Cappelletti, E., Benvenuti, M., Mangani, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 
  0.189 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.164 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.166 (Depositor) 

Starting Model: experimental

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 47.12 kDa 
• Atom Count: 4,216 
• Modeled Residue Count: 422 
• Deposited Residue Count: 422 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Class B acid phosphatase	A, B	211	Escherichia coli	Mutation(s): 1  Gene Names: aphA, napA EC: 3.1.3.2
UniProt
Find proteins for P0AE22 (Escherichia coli (strain K12)) Explore P0AE22  Go to UniProtKB:  P0AE22

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A], D [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
BFD	A, B	L-PEPTIDE LINKING	C4 H6 Be F3 N O4		ASP

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free:  0.189 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.164 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.166 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.428	α = 90
b = 66.631	β = 119.85
c = 90.103	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-03-04 
Deposition Author(s): Leone, R., Calderone, V., Cappelletti, E., Benvenuti, M., Mangani, S.

Revision History  

• Version 1.0: 2008-03-04
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.2: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description