2QER

Crystal structure of Cryptosporidium parvum cyclophilin type peptidyl-prolyl cis-trans isomerase cgd2_1660 in the presence of dipeptide ala-pro

• PDB DOI: https://doi.org/10.2210/pdb2QER/pdb

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


• Deposited: 2007-06-26 Released: 2007-07-17 
• Deposition Author(s): Wernimont, A.K., Lew, J., Hills, T., Hassanali, A., Lin, L., Wasney, G., Zhao, Y., Kozieradzki, I., Vedadi, M., Schapira, M., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Artz, J.D., Amani, M., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.252 
• R-Value Work: 0.226 
• R-Value Observed: 0.227 

Literature

Crystal structure of Cryptosporidium parvum cyclophilin type peptidyl-prolyl cis-trans isomerase cgd2_1660 in the presence of dipeptide ala-pro.

Wernimont, A.K., Lew, J., Hills, T., Hassanali, A., Lin, L., Wasney, G., Zhao, Y., Kozieradzki, I., Vedadi, M., Schapira, M., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Artz, J.D., Amani, M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 21.45 kDa 
• Atom Count: 1,397 
• Modelled Residue Count: 158 
• Deposited Residue Count: 185 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cyclophilin-like protein, putative	A	185	Cryptosporidium parvum Iowa II	Mutation(s): 0  Gene Names: cgd2_1660
UniProt
Find proteins for A3FQ68 (Cryptosporidium parvum (strain Iowa II)) Explore A3FQ68  Go to UniProtKB:  A3FQ68

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PRO	D [auth A]	PROLINE C5 H9 N O2 ONIBWKKTOPOVIA-BYPYZUCNSA-N
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth A], F [auth A], G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ALA	C [auth A]	ALANINE C3 H7 N O2 QNAYBMKLOCPYGJ-REOHCLBHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 0.252 
• R-Value Work: 0.226 
• R-Value Observed: 0.227 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.047	α = 90
b = 69.047	β = 90
c = 124.622	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-07-17 
Deposition Author(s): Wernimont, A.K., Lew, J., Hills, T., Hassanali, A., Lin, L., Wasney, G., Zhao, Y., Kozieradzki, I., Vedadi, M., Schapira, M., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Artz, J.D., Amani, M., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2007-07-17
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description