8SK1

Bacillus anthracis HPPK in complex with bisubstrate inhibitor HP-73

• PDB DOI: https://doi.org/10.2210/pdb8SK1/pdb

• Classification: TRANSFERASE/INHIBITOR
• Organism(s): Bacillus anthracis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2023-04-18 Released: 2024-07-03 
• Deposition Author(s): Shaw, G.X., Tropea, J.E., Shi, G., Waugh, D.S., Ji, X.
• Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.258 
• R-Value Work: 0.213 
• R-Value Observed: 0.216 

Starting Model: experimental

Literature

Crystal structure of Bacillus anthracis HPPK in complex with bisubstrate inhibitor HP-73

Shaw, G.X., Tropea, J.E., Shi, G., Waugh, D.S., Ji, X.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.32 kDa 
• Atom Count: 2,845 
• Modelled Residue Count: 322 
• Deposited Residue Count: 344 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase	A, B	172	Bacillus anthracis	Mutation(s): 0  Gene Names: folK, GBAA_0073 EC: 2.7.6.3
UniProt
Find proteins for A0A6L7HDR0 (Bacillus anthracis) Explore A0A6L7HDR0  Go to UniProtKB:  A0A6L7HDR0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
H73 (Subject of Investigation/LOI)	C [auth A], D [auth B]	5'-S-[(2R,4R)-1-{2-[(2-amino-7,7-dimethyl-4-oxo-3,4,7,8-tetrahydropteridine-6-carbonyl)amino]ethyl}-2-carboxypiperidin-4-yl]-5'-thioadenosine C27 H36 N12 O7 S DFLAELLQWVMGCU-NERDUYAPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.258 
• R-Value Work: 0.213 
• R-Value Observed: 0.216 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.456	α = 90
b = 66.082	β = 91.17
c = 117.667	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
PHASER	phasing
SCALEPACK	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-07-03 
Deposition Author(s): Shaw, G.X., Tropea, J.E., Shi, G., Waugh, D.S., Ji, X.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	Intramural Research Program

Revision History  

• Version 1.0: 2024-07-03
  Type: Initial release