2ALF

crystal structure of human CypA mutant K131A

• PDB DOI: https://doi.org/10.2210/pdb2ALF/pdb

• Classification: ISOMERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2005-08-05 Released: 2005-08-23 
• Deposition Author(s): Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.226 
• R-Value Work: 0.193 

Literature

Nuclease activity of Cyclophilin A and its structural basis

Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

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: 17.87 kDa 
• Atom Count: 1,500 
• Modelled Residue Count: 164 
• Deposited Residue Count: 164 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptidyl-prolyl cis-trans isomerase A	A	164	Homo sapiens	Mutation(s): 1  Gene Names: CyPA EC: 5.2.1.8
UniProt & NIH Common Fund Data Resources
Find proteins for P62937 (Homo sapiens) Explore P62937  Go to UniProtKB:  P62937
PHAROS:  P62937 GTEx:  ENSG00000196262

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.226 
• R-Value Work: 0.193 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.585	α = 90
b = 68.264	β = 90
c = 137.794	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
CNS	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-08-23 
Deposition Author(s): Hu, H., Huang, C.-Q., Liu, H.-L., Han, Y., Chen, M.-E., Yu, L., Bi, R.-C.

Revision History  

• Version 1.0: 2005-08-23
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2021-11-10
  Changes: Database references, Derived calculations
• Version 1.5: 2024-05-29
  Changes: Data collection