8QCN

E.coli IspE in complex with a ligand (2)

• PDB DOI: https://doi.org/10.2210/pdb8QCN/pdb

• Classification: TRANSFERASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-08-27 Released: 2024-09-11 
• Deposition Author(s): Hamid, R.
• Funding Organization(s): Helmholtz Association

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.266 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 

Starting Model: experimental

Literature

E.coli IspE in complex with a ligand (2)

Hamid, R.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 63.3 kDa 
• Atom Count: 4,523 
• Modelled Residue Count: 563 
• Deposited Residue Count: 566 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
4-diphosphocytidyl-2-C-methyl-D-erythritol kinase	A, B	283	Escherichia coli	Mutation(s): 0  Gene Names: ispE EC: 2.7.1.148
UniProt
Find proteins for B7LXC3 (Escherichia coli O8 (strain IAI1)) Explore B7LXC3  Go to UniProtKB:  B7LXC3

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ADP (Subject of Investigation/LOI)	C [auth A], E [auth B]	ADENOSINE-5'-DIPHOSPHATE C10 H15 N5 O10 P2 XTWYTFMLZFPYCI-KQYNXXCUSA-N
QB9 (Subject of Investigation/LOI)	D [auth A], F [auth B]	~{N}-[3-(4-azanyl-2-oxidanylidene-1~{H}-pyrimidin-5-yl)prop-2-ynyl]cyclopropanesulfonamide C10 H12 N4 O3 S IMYCWWNWNOANBE-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.266 
• R-Value Work: 0.227 
• R-Value Observed: 0.229 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 143.928	α = 90
b = 53.113	β = 127.39
c = 91.717	γ = 90

Software Package:

Software Name	Purpose
PHENIX	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-11 
Deposition Author(s): Hamid, R.

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Funding Organization	Location	Grant Number
Helmholtz Association	Germany	--

Revision History  

• Version 1.0: 2024-09-11
  Type: Initial release