3MA8

Crystal structure of CGD1_2040, a pyruvate kinase from cryptosporidium Parvum

• PDB DOI: https://doi.org/10.2210/pdb3MA8/pdb

• Classification: TRANSFERASE
• Organism(s): Cryptosporidium parvum Iowa II
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-03-23 Released: 2010-07-21 
• Deposition Author(s): Wernimont, A.K., Hutchinson, A., Hassanali, A., Kozieradzki, I., Cossar, D., Bochkarev, A., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Hui, R., Hills, T., Pizarro, J.C., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.64 Å
• R-Value Free: 0.272 
• R-Value Work: 0.241 
• R-Value Observed: 0.242 

Literature

Crystal structure of CGD1_2040, a pyruvate kinase from cryptosporidium Parvum

Wernimont, A.K., Hutchinson, A., Hassanali, A., Kozieradzki, I., Cossar, D., Bochkarev, A., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Hui, R., Hills, T., Pizarro, J.C.

To be published.

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 (software)

Macromolecule Content

• Total Structure Weight: 115.53 kDa 
• Atom Count: 7,305 
• Modelled Residue Count: 985 
• Deposited Residue Count: 1,068 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pyruvate kinase	A, B	534	Cryptosporidium parvum Iowa II	Mutation(s): 0  Gene Names: cgd1_2040 EC: 2.7.1.40
UniProt
Find proteins for Q5CSM7 (Cryptosporidium parvum (strain Iowa II)) Explore Q5CSM7  Go to UniProtKB:  Q5CSM7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	C [auth A], E [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
SO4	D [auth A], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.64 Å
• R-Value Free: 0.272 
• R-Value Work: 0.241 
• R-Value Observed: 0.242 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 119.345	α = 90
b = 97.142	β = 90
c = 109.31	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-07-21 
Deposition Author(s): Wernimont, A.K., Hutchinson, A., Hassanali, A., Kozieradzki, I., Cossar, D., Bochkarev, A., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Weigelt, J., Hui, R., Hills, T., Pizarro, J.C., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2010-07-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations, Refinement description