4GYP

Crystal structure of the heterotetrameric complex of GlucD and GlucDRP from E. coli K-12 MG1655 (EFI TARGET EFI-506058)

• PDB DOI: https://doi.org/10.2210/pdb4GYP/pdb

• Classification: LYASE/LYASE
• Organism(s): Escherichia coli K-12
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-09-05 Released: 2012-09-12 
• Deposition Author(s): Lukk, T., Ghasempur, S., Imker, H.J., Gerlt, J.A., Nair, S.K., Enzyme Function Initiative (EFI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.186 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 

Starting Model: experimental

Literature

Glucarate dehydratase and its related protein from Escherichia coli form a heterotetrameric complex.

Lukk, T., Ghasempur, S., Imker, H.J., Nair, S.K., Gerlt, J.A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 200.79 kDa 
• Atom Count: 15,174 
• Modelled Residue Count: 1,754 
• Deposited Residue Count: 1,808 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucarate dehydratase	A, B	446	Escherichia coli K-12	Mutation(s): 0  Gene Names: b2787, gudD, JW2758, ygcX EC: 4.2.1.40
UniProt
Find proteins for P0AES2 (Escherichia coli (strain K12)) Explore P0AES2  Go to UniProtKB:  P0AES2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucarate dehydratase-related protein	C, D	458	Escherichia coli K-12	Mutation(s): 0  Gene Names: b2788, gudX, JW2759, ygcY EC: 4.2.1
UniProt
Find proteins for Q46915 (Escherichia coli (strain K12)) Explore Q46915  Go to UniProtKB:  Q46915

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
P6G	O [auth D]	HEXAETHYLENE GLYCOL C12 H26 O7 IIRDTKBZINWQAW-UHFFFAOYSA-N
CIT	K [auth C], N [auth D]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
PEG	H [auth A], M [auth C], R [auth D]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
SO4	F [auth A], J [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	G [auth A], L [auth C], P [auth D], Q [auth D]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
MG	E [auth A], I [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.186 
• R-Value Work: 0.149 
• R-Value Observed: 0.150 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 155.47	α = 90
b = 113.02	β = 105.89
c = 128.59	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-09-12 
Deposition Author(s): Lukk, T., Ghasempur, S., Imker, H.J., Gerlt, J.A., Nair, S.K., Enzyme Function Initiative (EFI)

Revision History  

• Version 1.0: 2012-09-12
  Type: Initial release
  
• Version 1.1: 2012-09-19
  Changes: Structure summary
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description